Postcode,In Use?,Latitude,Longitude,Easting,Northing,Grid Ref,Introduced,Terminated,Parish,Altitude,Country,Last Updated,Quality,LSOA Code,LSOA Name,LSOA Code 2021,LSOA Name 2021
AL6 0DP,No,51.804489,-0.195874,524489,213300,TL244132,1997-06-01,2008-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0EX,No,51.804489,-0.195874,524489,213300,TL244132,1996-12-01,2003-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0FA,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2001-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0FB,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2003-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0GY,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0HR,No,51.804489,-0.195874,524489,213300,TL244132,1980-01-01,2001-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0JA,No,51.804489,-0.195874,524489,213300,TL244132,1991-09-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ND,No,51.804489,-0.195874,524489,213300,TL244132,1993-01-01,2016-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0RT,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2015-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0WG,Yes,51.804489,-0.195874,524489,213300,TL244132,2011-05-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0WJ,No,51.804489,-0.195874,524489,213300,TL244132,2011-08-01,2013-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0WQ,No,51.804489,-0.195874,524489,213300,TL244132,2003-11-01,2015-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0WT,No,51.804489,-0.195874,524489,213300,TL244132,2003-02-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0WU,No,51.804489,-0.195874,524489,213300,TL244132,2007-12-01,2008-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0WW,No,51.804489,-0.195874,524489,213300,TL244132,2004-08-01,2012-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0WY,Yes,51.804489,-0.195874,524489,213300,TL244132,2004-09-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0XA,No,51.804489,-0.195874,524489,213300,TL244132,1980-01-01,2010-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0XL,No,51.804489,-0.195874,524489,213300,TL244132,1993-08-01,2001-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0XU,No,51.804489,-0.195874,524489,213300,TL244132,2002-09-01,2006-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0XX,No,51.804489,-0.195874,524489,213300,TL244132,1995-12-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0XY,No,51.804489,-0.195874,524489,213300,TL244132,2004-06-01,2006-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0XZ,No,51.804489,-0.195874,524489,213300,TL244132,2002-10-01,2002-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0YJ,No,51.804489,-0.195874,524489,213300,TL244132,2007-06-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0YQ,No,51.804489,-0.195874,524489,213300,TL244132,2004-07-01,2006-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0YX,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0YZ,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2006-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZD,No,51.804489,-0.195874,524489,213300,TL244132,1997-12-01,2002-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZG,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2002-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZL,No,51.804489,-0.195874,524489,213300,TL244132,1998-12-01,2001-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZN,No,51.804489,-0.195874,524489,213300,TL244132,1999-06-01,2007-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZQ,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2006-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZR,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZS,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZU,Yes,51.804489,-0.195874,524489,213300,TL244132,2012-10-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZW,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2008-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZY,No,51.804489,-0.195874,524489,213300,TL244132,1999-06-01,2003-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 0ZZ,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2006-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9AG,No,51.804489,-0.195874,524489,213300,TL244132,1995-07-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9AZ,No,51.804489,-0.195874,524489,213300,TL244132,1997-12-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9FA,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9HH,Yes,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9LJ,No,51.804489,-0.195874,524489,213300,TL244132,1996-12-01,2012-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9NZ,No,51.804489,-0.195874,524489,213300,TL244132,2008-07-01,2011-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9QG,No,51.804489,-0.195874,524489,213300,TL244132,1993-01-01,2004-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9TH,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2002-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9WJ,No,51.804489,-0.195874,524489,213300,TL244132,2002-09-01,2007-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9WQ,No,51.804489,-0.195874,524489,213300,TL244132,2003-09-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9XJ,No,51.804489,-0.195874,524489,213300,TL244132,2003-08-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9XL,No,51.804489,-0.195874,524489,213300,TL244132,2004-05-01,2010-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9XQ,No,51.804489,-0.195874,524489,213300,TL244132,2003-03-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9XU,No,51.804489,-0.195874,524489,213300,TL244132,2004-03-01,2008-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9XW,No,51.804489,-0.195874,524489,213300,TL244132,2004-01-01,2008-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9XZ,No,51.804489,-0.195874,524489,213300,TL244132,2003-02-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9ZF,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2003-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9ZJ,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2003-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9ZL,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2006-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9ZQ,No,51.804489,-0.195874,524489,213300,TL244132,2003-03-01,2008-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9ZR,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2006-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9ZS,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2006-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9ZT,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2012-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9ZW,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL6 9ZX,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2003-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AA,Yes,51.804489,-0.195874,524489,213300,TL244132,1980-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AB,Yes,51.804489,-0.195874,524489,213300,TL244132,2021-07-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AE,No,51.804489,-0.195874,524489,213300,TL244132,1988-03-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AF,No,51.801754,-0.192894,524702,213001,TL247130,1980-01-01,1995-07-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AG,No,51.803574,-0.194272,524602,213201,TL246132,1980-01-01,2005-06-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AH,Yes,51.804773,-0.193919,524623,213335,TL246133,2017-11-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AL,No,51.804489,-0.195874,524489,213300,TL244132,1990-02-01,2001-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AQ,No,51.803574,-0.194272,524602,213201,TL246132,1980-01-01,1995-01-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AS,No,51.804642,-0.194127,524609,213320,TL246133,1995-01-01,2023-08-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AU,Yes,51.803122,-0.192375,524734,213154,TL247131,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1AW,No,51.804489,-0.195874,524489,213300,TL244132,1995-12-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1BD,Yes,51.803712,-0.193903,524627,213217,TL246132,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1BG,No,51.798791,-0.189647,524934,212677,TL249126,1987-04-01,2001-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1BH,Yes,51.801844,-0.195835,524499,213006,TL244130,1985-10-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1BL,No,51.805878,-0.197327,524385,213452,TL243134,1990-02-01,2010-08-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1BN,No,51.802675,-0.194307,524602,213101,TL246131,1983-01-01,1995-01-01,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1BP,No,51.802670,-0.193960,524626,213101,TL246131,1990-02-01,2005-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1BS,No,51.800288,-0.194606,524588,212835,TL245128,1996-12-01,2024-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1BU,No,51.804489,-0.195874,524489,213300,TL244132,1995-01-01,2018-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1BW,Yes,51.802232,-0.194122,524616,213052,TL246130,1990-02-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1DT,No,51.804489,-0.195874,524489,213300,TL244132,1996-06-01,2002-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ER,No,51.804489,-0.195874,524489,213300,TL244132,1995-12-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ES,No,51.804489,-0.195874,524489,213300,TL244132,1990-07-01,2008-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1EY,No,51.804489,-0.195874,524489,213300,TL244132,1980-01-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1EZ,No,51.804489,-0.195874,524489,213300,TL244132,1980-01-01,2005-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1FA,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2006-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1FE,Yes,51.804091,-0.199255,524257,213250,TL242132,2002-06-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1FU,Yes,51.805849,-0.197198,524394,213449,TL243134,2017-04-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1FY,Yes,51.806270,-0.197674,524360,213495,TL243134,2016-08-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GD,Yes,51.798791,-0.189647,524934,212677,TL249126,2016-02-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1GF,Yes,51.803194,-0.199987,524209,213149,TL242131,2016-09-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GG,Yes,51.799132,-0.191969,524773,212711,TL247127,2016-12-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1GH,Yes,51.805423,-0.197578,524369,213401,TL243134,2017-10-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GJ,Yes,51.806064,-0.195971,524478,213475,TL244134,2018-09-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GL,No,51.798791,-0.189647,524934,212677,TL249126,2001-06-01,2022-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1GP,Yes,51.805727,-0.199234,524254,213432,TL242134,2018-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GQ,Yes,51.805937,-0.199994,524201,213454,TL242134,2021-05-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GR,Yes,51.805698,-0.198495,524305,213430,TL243134,2017-12-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GS,Yes,51.806194,-0.198591,524297,213485,TL242134,2018-04-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GT,Yes,51.806371,-0.199614,524226,213503,TL242135,2018-05-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GW,Yes,51.801311,-0.191577,524794,212954,TL247129,2018-06-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1GY,Yes,51.798663,-0.190668,524864,212661,TL248126,2004-09-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1GZ,Yes,51.798896,-0.191224,524825,212686,TL248126,2004-09-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1HB,Yes,51.804234,-0.200381,524179,213264,TL241132,2001-12-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HD,No,51.804489,-0.195874,524489,213300,TL244132,1980-01-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HE,Yes,51.805406,-0.196490,524444,213401,TL244134,2005-09-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HF,No,51.803018,-0.199632,524234,213130,TL242131,2002-07-01,2012-10-01,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HG,Yes,51.802406,-0.191417,524802,213076,TL248130,1990-02-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HH,Yes,51.805126,-0.194645,524572,213373,TL245133,2005-08-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HJ,Yes,51.804789,-0.199619,524230,213327,TL242133,1985-04-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HL,Yes,51.801388,-0.197173,524408,212953,TL244129,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HS,No,51.800945,-0.198728,524302,212901,TL243129,1983-01-01,1995-07-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HT,Yes,51.804789,-0.199619,524230,213327,TL242133,2004-01-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HU,Yes,51.803927,-0.198537,524307,213233,TL243132,2002-06-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HW,Yes,51.804789,-0.199619,524230,213327,TL242133,2002-11-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HX,Yes,51.801666,-0.197698,524371,212983,TL243129,2006-04-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HY,No,51.800922,-0.197278,524402,212901,TL244129,1980-01-01,1994-12-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1HZ,No,51.801150,-0.193339,524673,212933,TL246129,1996-06-01,2005-05-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1JA,Yes,51.801311,-0.190359,524878,212956,TL248129,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1JD,Yes,51.800338,-0.189092,524968,212850,TL249128,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1JE,Yes,51.801984,-0.196743,524436,213020,TL244130,1996-12-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1JF,No,51.798991,-0.188653,525002,212701,TL250127,1980-01-01,1994-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1JG,Yes,51.801987,-0.191071,524827,213030,TL248130,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1JH,No,51.799014,-0.190102,524902,212701,TL249127,1980-01-01,1994-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1JJ,No,51.799935,-0.191516,524802,212801,TL248128,1981-06-01,1994-12-01,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1JL,No,51.799957,-0.192965,524702,212801,TL247128,1980-01-01,1995-07-01,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1JN,Yes,51.798521,-0.190209,524896,212646,TL248126,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1JP,No,51.801590,-0.190971,524835,212986,TL248129,1987-04-01,2001-03-01,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1JQ,Yes,51.799282,-0.188844,524988,212733,TL249127,1995-07-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1JR,Yes,51.801037,-0.194793,524573,212918,TL245129,1996-06-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1JS,No,51.800900,-0.195829,524502,212901,TL245129,1985-04-01,2005-05-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1JU,Yes,51.800220,-0.194289,524610,212828,TL246128,1980-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1JW,No,51.798536,-0.190586,524870,212647,TL248126,1997-06-01,2003-05-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1JX,No,51.801011,-0.203076,524002,212901,TL240129,1980-01-01,1991-12-01,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 1JY,Yes,51.799653,-0.193108,524693,212767,TL246127,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1JZ,No,51.800833,-0.191480,524802,212901,TL248129,1985-04-01,1998-12-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1LA,Yes,51.799664,-0.191440,524808,212771,TL248127,2003-02-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1LE,Yes,51.801347,-0.195637,524514,212951,TL245129,1986-04-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1LF,No,51.804489,-0.195874,524489,213300,TL244132,1986-07-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1LG,No,51.801762,-0.194547,524588,212999,TL245129,1987-04-01,2015-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1LL,No,51.800922,-0.197278,524402,212901,TL244129,1985-04-01,1995-01-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1LN,No,51.800428,-0.190829,524848,212857,TL248128,1980-01-01,2001-03-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1LP,Yes,51.799244,-0.190485,524875,212726,TL248127,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1LQ,No,51.803641,-0.198620,524302,213201,TL243132,1990-02-01,1995-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1LR,No,51.801914,-0.194526,524589,213016,TL245130,1982-03-01,2001-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1LU,No,51.804489,-0.195874,524489,213300,TL244132,1983-07-01,2014-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1LX,No,51.799014,-0.190102,524902,212701,TL249127,1985-04-01,1995-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1QB,No,51.804489,-0.195874,524489,213300,TL244132,1997-06-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1RR,No,51.801644,-0.200934,524148,212975,TL241129,1990-02-01,2024-05-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1RU,No,51.801150,-0.193339,524673,212933,TL246129,2005-01-01,2005-01-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1RX,Yes,51.804354,-0.194705,524570,213287,TL245132,1993-08-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1RZ,No,51.804489,-0.195874,524489,213300,TL244132,1997-12-01,2005-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1SA,Yes,51.800090,-0.189900,524913,212821,TL249128,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1SB,Yes,51.800220,-0.190185,524893,212835,TL248128,1988-03-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1SL,No,51.804489,-0.195874,524489,213300,TL244132,1993-01-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1SQ,Yes,51.804489,-0.195874,524489,213300,TL244132,1997-12-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1SS,No,51.804489,-0.195874,524489,213300,TL244132,1993-08-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ST,No,51.804489,-0.195874,524489,213300,TL244132,1993-08-01,2001-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1SU,No,51.800001,-0.195864,524502,212801,TL245128,1980-01-01,1994-12-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1SX,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2002-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1SY,Yes,51.804489,-0.195874,524489,213300,TL244132,1994-05-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1TG,No,51.804489,-0.195874,524489,213300,TL244132,1993-08-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1TH,No,51.804489,-0.195874,524489,213300,TL244132,1999-06-01,2001-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1TQ,No,51.804489,-0.195874,524489,213300,TL244132,1993-08-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1UR,No,51.804489,-0.195874,524489,213300,TL244132,1995-01-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1UT,Yes,51.800088,-0.192134,524759,212817,TL247128,1998-06-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1UX,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2014-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1UY,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2014-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1UZ,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1WA,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2007-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1WB,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2006-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1WD,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2004-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1WE,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1WF,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2003-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1WG,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2005-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1WH,Yes,51.806602,-0.198851,524278,213530,TL242135,2021-07-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1WJ,No,51.804489,-0.195874,524489,213300,TL244132,2002-05-01,2015-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1WL,Yes,51.800722,-0.191238,524819,212889,TL248128,2020-08-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 1WW,Yes,51.801092,-0.190759,524851,212931,TL248129,2021-08-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1XN,Yes,51.804489,-0.195874,524489,213300,TL244132,2003-02-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1XS,No,51.804489,-0.195874,524489,213300,TL244132,2003-07-01,2008-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1XT,No,51.804489,-0.195874,524489,213300,TL244132,2003-02-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1YA,No,51.804489,-0.195874,524489,213300,TL244132,2007-07-01,2009-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1YR,No,51.804489,-0.195874,524489,213300,TL244132,2016-11-01,2018-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1YW,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1YX,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2012-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1YZ,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZE,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZF,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZN,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZP,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2003-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZQ,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2003-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZR,No,51.804489,-0.195874,524489,213300,TL244132,2022-08-01,2024-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZS,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZT,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZU,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2001-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZW,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2007-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZX,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2002-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZY,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2001-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 1ZZ,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2EY,No,51.804489,-0.195874,524489,213300,TL244132,1995-12-01,2013-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2FJ,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2024-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2JY,No,51.804489,-0.195874,524489,213300,TL244132,2007-06-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2JZ,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2004-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2WD,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2009-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2XN,No,51.804489,-0.195874,524489,213300,TL244132,2004-07-01,2007-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2XR,No,51.804489,-0.195874,524489,213300,TL244132,2004-03-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2XZ,No,51.804489,-0.195874,524489,213300,TL244132,2007-07-01,2008-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZD,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZF,No,51.804489,-0.195874,524489,213300,TL244132,1998-12-01,2002-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZN,No,51.804489,-0.195874,524489,213300,TL244132,2004-06-01,2009-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZP,No,51.804489,-0.195874,524489,213300,TL244132,2004-06-01,2006-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZQ,No,51.804489,-0.195874,524489,213300,TL244132,2002-08-01,2004-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZR,No,51.804489,-0.195874,524489,213300,TL244132,2002-08-01,2003-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZS,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2001-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZT,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2001-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZU,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2004-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 2ZW,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2001-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AA,No,51.795575,-0.200392,524202,212301,TL242123,1994-12-01,1995-07-01,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3AB,Yes,51.795932,-0.204946,523887,212333,TL238123,1994-12-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3AD,No,51.794440,-0.190909,524859,212191,TL248121,1992-08-01,2001-04-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3AE,Yes,51.799512,-0.196218,524479,212746,TL244127,1994-12-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AF,Yes,51.796292,-0.200262,524209,212381,TL242123,1985-04-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3AG,Yes,51.795207,-0.201030,524159,212259,TL241122,1985-04-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3AH,No,51.800046,-0.198763,524302,212801,TL243128,1980-01-01,1999-06-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AJ,Yes,51.796113,-0.198514,524330,212364,TL243123,1987-04-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3AL,No,51.801764,-0.198202,524336,212993,TL243129,2001-06-01,2005-04-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AN,No,51.804489,-0.195874,524489,213300,TL244132,1999-06-01,2007-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AP,No,51.799125,-0.197350,524402,212701,TL244127,1990-07-01,1995-01-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AQ,No,51.800843,-0.197978,524354,212891,TL243128,2002-11-01,2006-04-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AR,No,51.799147,-0.198799,524302,212701,TL243127,1980-01-01,1995-07-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AS,No,51.804489,-0.195874,524489,213300,TL244132,1995-01-01,2006-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AT,No,51.794440,-0.190909,524859,212191,TL248121,1995-01-01,2000-06-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3AU,No,51.799157,-0.198828,524300,212702,TL242127,1980-01-01,2007-03-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AW,No,51.799215,-0.196737,524444,212712,TL244127,2005-01-01,2005-01-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3AX,Yes,51.797837,-0.200128,524214,212553,TL242125,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3AY,No,51.798299,-0.201545,524115,212602,TL241126,2005-04-01,2007-03-01,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3AZ,No,51.794440,-0.190909,524859,212191,TL248121,1980-01-01,1999-12-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3BA,Yes,51.798089,-0.195462,524535,212589,TL245125,1990-02-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BB,Yes,51.797390,-0.196172,524488,212510,TL244125,1990-02-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BD,No,51.800843,-0.197978,524354,212891,TL243128,2001-06-01,2005-05-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BE,Yes,51.800002,-0.196503,524458,212800,TL244127,1990-02-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BF,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2006-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BG,No,51.800843,-0.197978,524354,212891,TL243128,1995-07-01,2011-03-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BH,Yes,51.797093,-0.198504,524328,212473,TL243124,1992-08-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3BJ,No,51.794440,-0.190909,524859,212191,TL248121,1995-12-01,1999-12-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3BL,Yes,51.799141,-0.198393,524330,212701,TL243127,1993-08-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BN,Yes,51.794662,-0.205953,523821,212190,TL238121,1995-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3BP,No,51.800277,-0.199755,524233,212825,TL242128,1995-12-01,2004-09-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BQ,Yes,51.799588,-0.199391,524260,212749,TL242127,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BS,No,51.799913,-0.199494,524252,212785,TL242127,1996-06-01,1997-08-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BT,Yes,51.800843,-0.197992,524353,212891,TL243128,2007-07-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BU,No,51.800254,-0.200017,524215,212822,TL242128,2001-12-01,2024-06-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BW,No,51.804489,-0.195874,524489,213300,TL244132,1995-12-01,2014-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3BY,Yes,51.799048,-0.186490,525151,212711,TL251127,2010-10-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3BZ,Yes,51.797424,-0.201348,524131,212505,TL241125,2011-10-01,,"Welwyn Hatfield, unparished area",92,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3DL,No,51.794440,-0.190909,524859,212191,TL248121,1997-12-01,1999-12-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3DN,No,51.794440,-0.190909,524859,212191,TL248121,1994-05-01,2000-06-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3DS,No,51.794440,-0.190909,524859,212191,TL248121,1997-12-01,1998-12-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3DT,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2011-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ED,No,51.794440,-0.190909,524859,212191,TL248121,1996-06-01,1998-12-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3EE,Yes,51.797271,-0.202500,524052,212486,TL240124,2011-12-01,,"Welwyn Hatfield, unparished area",92,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3EF,Yes,51.797716,-0.202235,524069,212536,TL240125,2012-04-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3EG,Yes,51.797315,-0.200728,524174,212494,TL241124,2018-03-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3EQ,Yes,51.798343,-0.202660,524038,212605,TL240126,2013-11-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3FA,Yes,51.797626,-0.200484,524190,212529,TL241125,2018-06-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3FB,Yes,51.801566,-0.198210,524336,212971,TL243129,2019-07-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3FD,Yes,51.798183,-0.201593,524112,212589,TL241125,2019-10-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3FE,Yes,51.798978,-0.200691,524172,212679,TL241126,2023-07-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3FG,Yes,51.798978,-0.200691,524172,212679,TL241126,2023-04-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3FH,Yes,51.798981,-0.202011,524081,212677,TL240126,2021-01-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3FJ,Yes,51.798981,-0.202011,524081,212677,TL240126,2021-10-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3FL,Yes,51.792333,-0.193632,524677,211952,TL246119,2023-04-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3GB,Yes,51.795789,-0.199701,524249,212326,TL242123,2021-02-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3JB,No,51.794440,-0.190909,524859,212191,TL248121,1996-12-01,2000-06-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3LU,No,51.804489,-0.195874,524489,213300,TL244132,2007-08-01,2008-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3NA,Yes,51.797459,-0.191310,524823,212526,TL248125,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NB,Yes,51.796393,-0.194485,524607,212402,TL246124,2000-06-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3ND,Yes,51.796573,-0.192796,524723,212425,TL247124,2000-12-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3NE,Yes,51.796802,-0.191859,524787,212452,TL247124,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NF,Yes,51.796221,-0.192085,524773,212387,TL247123,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3NG,Yes,51.796634,-0.190908,524853,212435,TL248124,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NH,Yes,51.797082,-0.189614,524941,212487,TL249124,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NJ,Yes,51.798535,-0.188207,525034,212651,TL250126,1980-01-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NL,Yes,51.797607,-0.186939,525124,212550,TL251125,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NN,Yes,51.798226,-0.186233,525171,212620,TL251126,1980-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NQ,Yes,51.797575,-0.190116,524905,212541,TL249125,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NT,Yes,51.798737,-0.186734,525135,212676,TL251126,1980-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NU,Yes,51.797322,-0.188256,525034,212516,TL250125,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NX,Yes,51.797519,-0.187639,525076,212539,TL250125,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NY,Yes,51.796921,-0.188533,525016,212471,TL250124,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3NZ,Yes,51.796375,-0.195704,524523,212398,TL245123,1995-12-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3PA,Yes,51.798779,-0.194144,524624,212668,TL246126,1996-12-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3PB,Yes,51.798913,-0.192877,524711,212685,TL247126,1996-12-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3PG,Yes,51.797846,-0.193688,524658,212565,TL246125,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3PH,Yes,51.797897,-0.192337,524751,212573,TL247125,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3PJ,Yes,51.797106,-0.193485,524674,212483,TL246124,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3PL,Yes,51.795318,-0.193049,524709,212285,TL247122,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3PP,Yes,51.791746,-0.194062,524649,211886,TL246118,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3PQ,No,51.798182,-0.194487,524602,212601,TL246126,1980-01-01,1995-07-01,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3PS,No,51.791751,-0.193800,524667,211887,TL246118,1980-01-01,2003-03-01,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3PT,No,51.791921,-0.193185,524709,211907,TL247119,1980-01-01,2017-10-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3PU,Yes,51.791653,-0.194413,524625,211875,TL246118,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3PX,Yes,51.791653,-0.194413,524625,211875,TL246118,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3PY,Yes,51.792700,-0.192936,524724,211994,TL247119,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3PZ,Yes,51.792760,-0.193920,524656,211999,TL246119,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3QA,Yes,51.792109,-0.194830,524595,211925,TL245119,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3QB,Yes,51.792706,-0.195648,524537,211990,TL245119,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3QD,Yes,51.793043,-0.194793,524595,212029,TL245120,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3QE,Yes,51.794876,-0.193516,524678,212235,TL246122,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3QF,Yes,51.794968,-0.194238,524628,212244,TL246122,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3QG,Yes,51.795950,-0.193778,524657,212354,TL246123,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3QH,Yes,51.796835,-0.194047,524636,212452,TL246124,2004-07-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3QJ,Yes,51.796882,-0.194727,524589,212456,TL245124,2004-05-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3QL,Yes,51.797732,-0.194461,524605,212551,TL246125,2004-07-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3QN,No,51.794936,-0.192774,524729,212243,TL247122,1980-01-01,2024-08-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3QP,Yes,51.798766,-0.195043,524562,212665,TL245126,2004-07-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3QQ,Yes,51.795778,-0.194902,524580,212333,TL245123,1980-01-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3QR,Yes,51.797389,-0.194402,524610,212513,TL246125,2004-07-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3QS,Yes,51.797993,-0.194480,524603,212580,TL246125,2004-07-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3QT,Yes,51.797279,-0.195436,524539,212499,TL245124,2004-07-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3QZ,Yes,51.794403,-0.191998,524784,212185,TL247121,2003-02-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3RA,Yes,51.795024,-0.201443,524131,212238,TL241122,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RB,Yes,51.794732,-0.201701,524114,212205,TL241122,1980-01-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RD,Yes,51.794513,-0.200912,524169,212182,TL241121,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RE,Yes,51.794324,-0.199180,524289,212164,TL242121,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RF,Yes,51.793602,-0.201340,524142,212080,TL241120,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RG,Yes,51.793367,-0.200653,524190,212055,TL241120,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RH,Yes,51.793484,-0.198894,524311,212071,TL243120,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RJ,Yes,51.792290,-0.198434,524346,211939,TL243119,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RL,Yes,51.792754,-0.198227,524359,211991,TL243119,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RN,Yes,51.793605,-0.198034,524370,212086,TL243120,1980-01-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RP,Yes,51.794127,-0.195707,524529,212148,TL245121,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3RQ,Yes,51.793993,-0.199294,524282,212127,TL242121,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3RR,Yes,51.794327,-0.191160,524842,212178,TL248121,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3RS,Yes,51.794908,-0.191528,524815,212242,TL248122,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3RT,Yes,51.795464,-0.190230,524903,212306,TL249123,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3RU,Yes,51.795244,-0.189397,524961,212283,TL249122,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3RW,Yes,51.793487,-0.194978,524581,212078,TL245120,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3RX,Yes,51.795990,-0.189948,524921,212365,TL249123,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3RY,Yes,51.796110,-0.187782,525070,212382,TL250123,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3RZ,Yes,51.797175,-0.186333,525167,212503,TL251125,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3SA,Yes,51.797016,-0.185889,525198,212486,TL251124,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023958,Welwyn Hatfield 007E,E01023958,Welwyn Hatfield 007E
AL7 3SB,Yes,51.795491,-0.187923,525062,212313,TL250123,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3SE,No,51.793243,-0.200818,524179,212041,TL241120,1980-01-01,2005-05-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3SF,Yes,51.794034,-0.193709,524667,212141,TL246121,1983-07-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3SH,Yes,51.795852,-0.202077,524085,212329,TL240123,1983-07-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SJ,Yes,51.794453,-0.203496,523991,212171,TL239121,1983-07-01,,"Welwyn Hatfield, unparished area",92,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SL,No,51.795597,-0.201841,524102,212301,TL241123,1980-01-01,1991-12-01,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SN,Yes,51.795887,-0.201380,524133,212334,TL241123,1980-01-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SP,No,51.796899,-0.200571,524186,212448,TL241124,1990-02-01,2004-09-01,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SQ,No,51.794698,-0.201877,524102,212201,TL241122,1991-09-01,1995-01-01,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3SR,Yes,51.795978,-0.202638,524046,212342,TL240123,1980-01-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SS,No,51.795619,-0.203290,524002,212301,TL240123,1990-02-01,1994-12-01,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3ST,Yes,51.795598,-0.203074,524017,212299,TL240122,1980-01-01,,"Welwyn Hatfield, unparished area",92,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SU,No,51.795641,-0.204740,523902,212301,TL239123,1990-02-01,1995-01-01,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SW,No,51.796496,-0.201805,524102,212401,TL241124,1991-01-01,1994-05-01,"Welwyn Hatfield, unparished area",93,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SX,Yes,51.795165,-0.203569,523984,212250,TL239122,1980-01-01,,"Welwyn Hatfield, unparished area",92,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SY,Yes,51.794183,-0.205798,523833,212137,TL238121,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3SZ,No,51.793866,-0.206260,523802,212101,TL238121,1980-01-01,1983-12-01,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3TA,No,51.793822,-0.203362,524002,212101,TL240121,1980-01-01,1991-12-01,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3TB,Yes,51.793360,-0.203119,524020,212050,TL240120,1980-01-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3TD,Yes,51.793946,-0.202661,524050,212116,TL240121,1980-01-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3TE,Yes,51.791402,-0.202704,524054,211833,TL240118,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023940,Welwyn Hatfield 009B,E01023940,Welwyn Hatfield 009B
AL7 3TF,Yes,51.792008,-0.201780,524116,211902,TL241119,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023940,Welwyn Hatfield 009B,E01023940,Welwyn Hatfield 009B
AL7 3TG,Yes,51.792436,-0.201560,524130,211950,TL241119,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023940,Welwyn Hatfield 009B,E01023940,Welwyn Hatfield 009B
AL7 3TH,Yes,51.791616,-0.200244,524223,211861,TL242118,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023940,Welwyn Hatfield 009B,E01023940,Welwyn Hatfield 009B
AL7 3TJ,Yes,51.791526,-0.198479,524345,211854,TL243118,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3TL,Yes,51.792066,-0.199095,524301,211913,TL243119,1980-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3TN,Yes,51.791919,-0.197100,524439,211900,TL244118,1980-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3TP,Yes,51.790768,-0.198886,524319,211769,TL243117,1980-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023940,Welwyn Hatfield 009B,E01023940,Welwyn Hatfield 009B
AL7 3TQ,Yes,51.792681,-0.199883,524245,211980,TL242119,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3TS,Yes,51.795435,-0.204791,523899,212278,TL238122,1983-07-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3TT,Yes,51.796821,-0.202532,524051,212436,TL240124,1983-07-01,,"Welwyn Hatfield, unparished area",92,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3TU,Yes,51.795817,-0.203892,523960,212322,TL239123,1983-07-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3TW,Yes,51.791278,-0.198141,524369,211827,TL243118,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3UA,Yes,51.799766,-0.195163,524551,212776,TL245127,1980-01-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UB,Yes,51.800999,-0.196434,524460,212911,TL244129,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UD,Yes,51.799955,-0.195779,524508,212796,TL245127,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UE,Yes,51.799343,-0.193962,524635,212731,TL246127,1980-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UH,Yes,51.798665,-0.196106,524489,212652,TL244126,1980-01-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UJ,Yes,51.797048,-0.197955,524366,212469,TL243124,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UL,Yes,51.797946,-0.197281,524410,212570,TL244125,1980-01-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UN,Yes,51.797974,-0.196163,524487,212575,TL244125,1980-01-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UP,Yes,51.797555,-0.197572,524391,212526,TL243125,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UQ,Yes,51.800174,-0.197163,524412,212818,TL244128,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UR,No,51.796451,-0.198906,524302,212401,TL243124,1980-01-01,1990-12-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3UT,No,51.796451,-0.198906,524302,212401,TL243124,1980-01-01,1990-12-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023954,Welwyn Hatfield 007A,E01035605,Welwyn Hatfield 007A
AL7 3UU,Yes,51.796126,-0.197049,524431,212368,TL244123,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3UW,Yes,51.798948,-0.197502,524392,212681,TL243126,1997-06-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3UX,Yes,51.794849,-0.197041,524435,212226,TL244122,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3UZ,Yes,51.795822,-0.196002,524504,212336,TL245123,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3WA,No,51.795831,-0.195958,524507,212337,TL245123,2001-12-01,2006-02-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3WB,No,51.795831,-0.195958,524507,212337,TL245123,2001-12-01,2004-02-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3WD,No,51.804489,-0.195874,524489,213300,TL244132,2006-08-01,2008-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3WE,No,51.795831,-0.195958,524507,212337,TL245123,2001-12-01,2004-02-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3WP,No,51.794440,-0.190909,524859,212191,TL248121,1997-06-01,2001-01-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3WZ,No,51.795831,-0.195958,524507,212337,TL245123,2004-11-01,2006-03-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3XA,Yes,51.793055,-0.196765,524459,212027,TL244120,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3XB,Yes,51.792240,-0.196377,524488,211937,TL244119,1980-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3XD,Yes,51.791644,-0.196763,524463,211870,TL244118,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3XE,Yes,51.792814,-0.197427,524414,211999,TL244119,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3XF,Yes,51.795109,-0.197582,524397,212254,TL243122,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3XG,Yes,51.794702,-0.198584,524329,212207,TL243122,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3XH,Yes,51.795548,-0.198072,524362,212302,TL243123,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3XJ,Yes,51.795096,-0.199685,524252,212249,TL242122,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3XL,Yes,51.795075,-0.200034,524228,212246,TL242122,1980-01-01,,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3XN,Yes,51.794177,-0.201868,524104,212143,TL241121,1980-01-01,,"Welwyn Hatfield, unparished area",91,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3XP,Yes,51.795260,-0.195705,524526,212274,TL245122,1990-02-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023957,Welwyn Hatfield 007D,E01023957,Welwyn Hatfield 007D
AL7 3XQ,No,51.794654,-0.198978,524302,212201,TL243122,1990-02-01,1992-12-01,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3XR,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2006-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3XS,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2003-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3XT,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2003-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3XU,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2003-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3XW,Yes,51.795780,-0.199716,524248,212325,TL242123,1980-01-01,,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3YA,No,51.794440,-0.190909,524859,212191,TL248121,1998-06-01,2000-06-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3YN,No,51.795965,-0.199462,524265,212346,TL242123,2004-02-01,2005-07-01,"Welwyn Hatfield, unparished area",89,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3YZ,No,51.804489,-0.195874,524489,213300,TL244132,2007-06-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZD,No,51.804489,-0.195874,524489,213300,TL244132,2003-02-01,2004-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZE,No,51.804489,-0.195874,524489,213300,TL244132,2004-04-01,2006-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZG,No,51.795728,-0.199805,524242,212319,TL242123,2001-01-01,2001-01-01,"Welwyn Hatfield, unparished area",90,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023956,Welwyn Hatfield 007C,E01023956,Welwyn Hatfield 007C
AL7 3ZH,No,51.804489,-0.195874,524489,213300,TL244132,2003-11-01,2006-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZJ,No,51.804489,-0.195874,524489,213300,TL244132,2002-09-01,2008-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZL,No,51.804489,-0.195874,524489,213300,TL244132,2004-01-01,2006-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZN,No,51.804489,-0.195874,524489,213300,TL244132,2003-02-01,2004-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZP,No,51.804489,-0.195874,524489,213300,TL244132,2004-05-01,2006-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZQ,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2002-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZR,No,51.794440,-0.190909,524859,212191,TL248121,2000-06-01,2001-07-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3ZS,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZT,No,51.794440,-0.190909,524859,212191,TL248121,2000-06-01,2000-09-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3ZU,No,51.794440,-0.190909,524859,212191,TL248121,1999-12-01,2001-01-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3ZW,No,51.794440,-0.190909,524859,212191,TL248121,1999-12-01,2000-06-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3ZX,No,51.804489,-0.195874,524489,213300,TL244132,2007-06-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 3ZY,No,51.794440,-0.190909,524859,212191,TL248121,1997-12-01,1999-06-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 3ZZ,No,51.794440,-0.190909,524859,212191,TL248121,1997-06-01,1998-12-01,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023955,Welwyn Hatfield 007B,E01023955,Welwyn Hatfield 007B
AL7 4AY,No,51.804489,-0.195874,524489,213300,TL244132,1996-06-01,2006-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4BF,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2001-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4BX,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2003-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4GH,Yes,51.804489,-0.195874,524489,213300,TL244132,2009-05-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4JD,No,51.804489,-0.195874,524489,213300,TL244132,1993-08-01,2003-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4LW,No,51.804489,-0.195874,524489,213300,TL244132,1995-12-01,2003-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4WD,No,51.804489,-0.195874,524489,213300,TL244132,2007-06-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4XQ,No,51.804489,-0.195874,524489,213300,TL244132,2003-10-01,2006-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4YA,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2006-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4YZ,No,51.804489,-0.195874,524489,213300,TL244132,2004-08-01,2015-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4ZE,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2015-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4ZG,No,51.804489,-0.195874,524489,213300,TL244132,2007-01-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4ZJ,No,51.804489,-0.195874,524489,213300,TL244132,1998-12-01,2004-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4ZL,No,51.804489,-0.195874,524489,213300,TL244132,2018-01-01,2018-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4ZQ,No,51.804489,-0.195874,524489,213300,TL244132,1999-06-01,2002-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4ZS,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2003-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4ZT,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2003-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4ZU,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2001-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 4ZY,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2001-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AA,No,51.804489,-0.195874,524489,213300,TL244132,2005-01-01,2007-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AE,No,51.804489,-0.195874,524489,213300,TL244132,2005-02-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AG,No,51.804489,-0.195874,524489,213300,TL244132,2005-02-01,2008-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AH,Yes,51.804489,-0.195874,524489,213300,TL244132,2020-12-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AP,No,51.804489,-0.195874,524489,213300,TL244132,2005-05-01,2011-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AR,No,51.804489,-0.195874,524489,213300,TL244132,2005-05-01,2007-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AT,No,51.804489,-0.195874,524489,213300,TL244132,2005-06-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AU,No,51.804489,-0.195874,524489,213300,TL244132,2005-07-01,2013-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AW,No,51.804489,-0.195874,524489,213300,TL244132,2005-07-01,2007-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AX,No,51.804489,-0.195874,524489,213300,TL244132,2005-08-01,2010-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9AZ,No,51.804489,-0.195874,524489,213300,TL244132,2011-10-01,2012-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BA,No,51.804489,-0.195874,524489,213300,TL244132,2005-09-01,2012-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BE,No,51.804489,-0.195874,524489,213300,TL244132,2006-07-01,2008-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BF,No,51.804489,-0.195874,524489,213300,TL244132,2005-10-01,2006-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BG,No,51.804489,-0.195874,524489,213300,TL244132,2007-12-01,2008-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BH,No,51.804489,-0.195874,524489,213300,TL244132,2005-11-01,2012-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BJ,No,51.804489,-0.195874,524489,213300,TL244132,2005-11-01,2009-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BL,No,51.804489,-0.195874,524489,213300,TL244132,2006-01-01,2009-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BN,Yes,51.804489,-0.195874,524489,213300,TL244132,2006-02-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BP,No,51.804489,-0.195874,524489,213300,TL244132,2006-02-01,2008-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BQ,No,51.804489,-0.195874,524489,213300,TL244132,2006-03-01,2007-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BR,No,51.804489,-0.195874,524489,213300,TL244132,2006-04-01,2007-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BS,No,51.804489,-0.195874,524489,213300,TL244132,2006-04-01,2006-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BT,No,51.804489,-0.195874,524489,213300,TL244132,2006-04-01,2007-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BU,No,51.804489,-0.195874,524489,213300,TL244132,2006-04-01,2008-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BW,No,51.804489,-0.195874,524489,213300,TL244132,2007-06-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BX,No,51.804489,-0.195874,524489,213300,TL244132,2006-05-01,2011-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BY,No,51.804489,-0.195874,524489,213300,TL244132,2006-07-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9BZ,No,51.804489,-0.195874,524489,213300,TL244132,2007-06-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DA,No,51.804489,-0.195874,524489,213300,TL244132,2018-10-01,2022-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DB,No,51.804489,-0.195874,524489,213300,TL244132,2006-07-01,2010-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DD,No,51.804489,-0.195874,524489,213300,TL244132,2006-07-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DE,No,51.804489,-0.195874,524489,213300,TL244132,2006-08-01,2007-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DF,No,51.804489,-0.195874,524489,213300,TL244132,2006-10-01,2007-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DG,No,51.804489,-0.195874,524489,213300,TL244132,2006-10-01,2007-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DH,No,51.804489,-0.195874,524489,213300,TL244132,2006-10-01,2007-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DJ,No,51.804489,-0.195874,524489,213300,TL244132,2006-10-01,2007-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DL,No,51.804489,-0.195874,524489,213300,TL244132,2015-11-01,2016-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DN,No,51.804489,-0.195874,524489,213300,TL244132,2006-10-01,2007-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DP,No,51.804489,-0.195874,524489,213300,TL244132,2006-10-01,2014-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DQ,No,51.804489,-0.195874,524489,213300,TL244132,2006-11-01,2010-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DR,No,51.804489,-0.195874,524489,213300,TL244132,2006-11-01,2008-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DS,No,51.804489,-0.195874,524489,213300,TL244132,2006-11-01,2008-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DT,No,51.804489,-0.195874,524489,213300,TL244132,2006-11-01,2008-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DU,No,51.804489,-0.195874,524489,213300,TL244132,2006-11-01,2008-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DW,No,51.804489,-0.195874,524489,213300,TL244132,2006-11-01,2008-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DX,No,51.804489,-0.195874,524489,213300,TL244132,2007-01-01,2008-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DY,No,51.804489,-0.195874,524489,213300,TL244132,2007-02-01,2008-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9DZ,No,51.804489,-0.195874,524489,213300,TL244132,2007-02-01,2007-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EA,No,51.804489,-0.195874,524489,213300,TL244132,2007-03-01,2012-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EB,No,51.804489,-0.195874,524489,213300,TL244132,2007-04-01,2008-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9ED,No,51.804489,-0.195874,524489,213300,TL244132,2007-04-01,2007-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EE,No,51.804489,-0.195874,524489,213300,TL244132,2007-04-01,2010-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EG,No,51.804489,-0.195874,524489,213300,TL244132,2007-05-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EH,No,51.804489,-0.195874,524489,213300,TL244132,2007-05-01,2010-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EJ,No,51.804489,-0.195874,524489,213300,TL244132,2007-07-01,2008-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EL,No,51.804489,-0.195874,524489,213300,TL244132,2007-07-01,2008-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EN,No,51.804489,-0.195874,524489,213300,TL244132,2007-07-01,2009-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EP,No,51.804489,-0.195874,524489,213300,TL244132,2007-08-01,2010-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EQ,No,51.804489,-0.195874,524489,213300,TL244132,2007-09-01,2011-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9ER,No,51.804489,-0.195874,524489,213300,TL244132,2007-09-01,2011-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9ES,No,51.804489,-0.195874,524489,213300,TL244132,2007-10-01,2012-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9ET,No,51.804489,-0.195874,524489,213300,TL244132,2007-10-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EU,No,51.804489,-0.195874,524489,213300,TL244132,2007-10-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EW,No,51.804489,-0.195874,524489,213300,TL244132,2007-10-01,2009-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EX,No,51.804489,-0.195874,524489,213300,TL244132,2008-01-01,2009-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EY,No,51.804489,-0.195874,524489,213300,TL244132,2008-01-01,2009-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9EZ,No,51.804489,-0.195874,524489,213300,TL244132,2008-03-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FA,No,51.804489,-0.195874,524489,213300,TL244132,2008-03-01,2012-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FD,No,51.804489,-0.195874,524489,213300,TL244132,2008-05-01,2010-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FE,No,51.804489,-0.195874,524489,213300,TL244132,2008-05-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FF,No,51.804489,-0.195874,524489,213300,TL244132,2008-06-01,2014-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FG,No,51.804489,-0.195874,524489,213300,TL244132,2008-07-01,2012-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FH,No,51.804489,-0.195874,524489,213300,TL244132,2012-09-01,2013-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FJ,No,51.804489,-0.195874,524489,213300,TL244132,2008-07-01,2009-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FL,No,51.804489,-0.195874,524489,213300,TL244132,2008-08-01,2009-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FN,No,51.804489,-0.195874,524489,213300,TL244132,2008-09-01,2009-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FP,No,51.804489,-0.195874,524489,213300,TL244132,2010-02-01,2010-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FQ,Yes,51.804489,-0.195874,524489,213300,TL244132,2008-03-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FR,No,51.804489,-0.195874,524489,213300,TL244132,2008-09-01,2009-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FS,No,51.804489,-0.195874,524489,213300,TL244132,2012-12-01,2013-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FT,No,51.804489,-0.195874,524489,213300,TL244132,2008-10-01,2009-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FU,No,51.804489,-0.195874,524489,213300,TL244132,2008-10-01,2009-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FW,No,51.804489,-0.195874,524489,213300,TL244132,2008-11-01,2009-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FX,No,51.804489,-0.195874,524489,213300,TL244132,2008-11-01,2010-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FY,No,51.804489,-0.195874,524489,213300,TL244132,2008-12-01,2012-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9FZ,Yes,51.804489,-0.195874,524489,213300,TL244132,2011-03-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GA,No,51.804489,-0.195874,524489,213300,TL244132,2012-03-01,2023-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GB,No,51.804489,-0.195874,524489,213300,TL244132,2009-01-01,2012-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GD,No,51.804489,-0.195874,524489,213300,TL244132,2009-02-01,2011-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GE,No,51.804489,-0.195874,524489,213300,TL244132,2009-02-01,2010-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GF,No,51.804489,-0.195874,524489,213300,TL244132,2009-02-01,2011-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GG,Yes,51.804489,-0.195874,524489,213300,TL244132,2009-03-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GH,No,51.804489,-0.195874,524489,213300,TL244132,2009-03-01,2010-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GJ,No,51.804489,-0.195874,524489,213300,TL244132,2009-03-01,2014-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GL,Yes,51.804489,-0.195874,524489,213300,TL244132,2009-03-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GN,Yes,51.804489,-0.195874,524489,213300,TL244132,2014-05-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GP,Yes,51.804489,-0.195874,524489,213300,TL244132,2009-04-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GQ,No,51.804489,-0.195874,524489,213300,TL244132,2009-06-01,2011-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GR,No,51.804489,-0.195874,524489,213300,TL244132,2009-05-01,2010-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GS,No,51.804489,-0.195874,524489,213300,TL244132,2009-05-01,2022-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GT,No,51.804489,-0.195874,524489,213300,TL244132,2009-05-01,2010-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GU,No,51.804489,-0.195874,524489,213300,TL244132,2009-06-01,2010-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GW,No,51.804489,-0.195874,524489,213300,TL244132,2009-06-01,2013-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GX,No,51.804489,-0.195874,524489,213300,TL244132,2009-06-01,2012-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GY,No,51.804489,-0.195874,524489,213300,TL244132,2009-06-01,2012-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9GZ,No,51.804489,-0.195874,524489,213300,TL244132,2009-06-01,2024-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HA,No,51.804489,-0.195874,524489,213300,TL244132,2009-07-01,2011-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HB,No,51.804489,-0.195874,524489,213300,TL244132,2009-08-01,2010-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HD,No,51.804489,-0.195874,524489,213300,TL244132,2009-08-01,2013-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HE,No,51.804489,-0.195874,524489,213300,TL244132,2009-08-01,2013-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HF,No,51.804489,-0.195874,524489,213300,TL244132,2009-09-01,2010-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HG,No,51.804489,-0.195874,524489,213300,TL244132,2009-10-01,2012-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HH,No,51.804489,-0.195874,524489,213300,TL244132,2009-10-01,2012-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HJ,No,51.804489,-0.195874,524489,213300,TL244132,2009-12-01,2011-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HL,Yes,51.804489,-0.195874,524489,213300,TL244132,2010-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HN,No,51.804489,-0.195874,524489,213300,TL244132,2010-01-01,2011-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HP,No,51.804489,-0.195874,524489,213300,TL244132,2010-01-01,2011-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HQ,No,51.804489,-0.195874,524489,213300,TL244132,2010-01-01,2011-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HR,No,51.804489,-0.195874,524489,213300,TL244132,2010-02-01,2014-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HS,No,51.804489,-0.195874,524489,213300,TL244132,2010-02-01,2011-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HT,No,51.804489,-0.195874,524489,213300,TL244132,2010-03-01,2013-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HU,No,51.804489,-0.195874,524489,213300,TL244132,2010-03-01,2012-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HW,Yes,51.804489,-0.195874,524489,213300,TL244132,2022-07-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HX,No,51.804489,-0.195874,524489,213300,TL244132,2010-05-01,2022-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HY,No,51.804489,-0.195874,524489,213300,TL244132,2010-05-01,2011-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9HZ,No,51.804489,-0.195874,524489,213300,TL244132,2010-06-01,2012-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JA,No,51.804489,-0.195874,524489,213300,TL244132,2011-05-01,2013-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JB,No,51.804489,-0.195874,524489,213300,TL244132,2010-08-01,2013-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JD,No,51.804489,-0.195874,524489,213300,TL244132,2010-08-01,2021-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JE,Yes,51.804489,-0.195874,524489,213300,TL244132,2011-11-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JF,No,51.804489,-0.195874,524489,213300,TL244132,2010-08-01,2011-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JG,Yes,51.804489,-0.195874,524489,213300,TL244132,2010-09-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JH,Yes,51.804489,-0.195874,524489,213300,TL244132,2010-09-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JJ,No,51.804489,-0.195874,524489,213300,TL244132,2010-09-01,2021-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JL,No,51.804489,-0.195874,524489,213300,TL244132,2010-09-01,2011-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JN,No,51.804489,-0.195874,524489,213300,TL244132,2012-02-01,2016-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JP,No,51.804489,-0.195874,524489,213300,TL244132,2010-10-01,2012-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JQ,No,51.804489,-0.195874,524489,213300,TL244132,2010-11-01,2020-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JR,No,51.804489,-0.195874,524489,213300,TL244132,2010-11-01,2012-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JS,No,51.804489,-0.195874,524489,213300,TL244132,2010-11-01,2012-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JT,No,51.804489,-0.195874,524489,213300,TL244132,2011-05-01,2016-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JU,No,51.804489,-0.195874,524489,213300,TL244132,2011-05-01,2013-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JW,No,51.804489,-0.195874,524489,213300,TL244132,2011-05-01,2021-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JX,No,51.804489,-0.195874,524489,213300,TL244132,2011-05-01,2021-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JY,No,51.804489,-0.195874,524489,213300,TL244132,2011-10-01,2012-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9JZ,Yes,51.804489,-0.195874,524489,213300,TL244132,2011-12-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LA,No,51.804489,-0.195874,524489,213300,TL244132,2012-02-01,2020-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LB,No,51.804489,-0.195874,524489,213300,TL244132,2012-05-01,2024-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LD,No,51.804489,-0.195874,524489,213300,TL244132,2012-07-01,2022-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LE,No,51.804489,-0.195874,524489,213300,TL244132,2012-08-01,2021-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LF,Yes,51.804489,-0.195874,524489,213300,TL244132,2012-09-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LG,No,51.804489,-0.195874,524489,213300,TL244132,2017-02-01,2017-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LH,No,51.804489,-0.195874,524489,213300,TL244132,2012-11-01,2015-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LJ,No,51.804489,-0.195874,524489,213300,TL244132,2013-07-01,2015-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LL,No,51.804489,-0.195874,524489,213300,TL244132,2013-09-01,2014-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LN,No,51.804489,-0.195874,524489,213300,TL244132,2014-04-01,2014-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LP,No,51.804489,-0.195874,524489,213300,TL244132,2014-09-01,2015-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LQ,Yes,51.804489,-0.195874,524489,213300,TL244132,2021-04-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LR,No,51.804489,-0.195874,524489,213300,TL244132,2016-04-01,2016-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LS,No,51.804489,-0.195874,524489,213300,TL244132,2016-01-01,2016-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LT,Yes,51.804489,-0.195874,524489,213300,TL244132,2014-12-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LU,No,51.804489,-0.195874,524489,213300,TL244132,2015-05-01,2016-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LW,No,51.804489,-0.195874,524489,213300,TL244132,2015-10-01,2016-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LX,No,51.804489,-0.195874,524489,213300,TL244132,2015-11-01,2017-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LY,No,51.804489,-0.195874,524489,213300,TL244132,2015-11-01,2016-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9LZ,No,51.804489,-0.195874,524489,213300,TL244132,2015-11-01,2016-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NA,No,51.804489,-0.195874,524489,213300,TL244132,2016-04-01,2016-11-01,"Welwyn Hatfield, unparished area",97,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NB,No,51.804489,-0.195874,524489,213300,TL244132,2016-06-01,2017-01-01,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9ND,Yes,51.804489,-0.195874,524489,213300,TL244132,2016-11-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NE,Yes,51.804489,-0.195874,524489,213300,TL244132,2021-12-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NF,No,51.804489,-0.195874,524489,213300,TL244132,2017-01-01,2025-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NG,No,51.804489,-0.195874,524489,213300,TL244132,2017-01-01,2018-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NH,No,51.804489,-0.195874,524489,213300,TL244132,2017-07-01,2018-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NJ,No,51.804489,-0.195874,524489,213300,TL244132,2017-07-01,2020-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NL,No,51.804489,-0.195874,524489,213300,TL244132,2017-07-01,2018-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NN,Yes,51.804489,-0.195874,524489,213300,TL244132,2017-08-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NP,Yes,51.804489,-0.195874,524489,213300,TL244132,2017-10-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NQ,No,51.804489,-0.195874,524489,213300,TL244132,2017-12-01,2018-12-01,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NR,No,51.804489,-0.195874,524489,213300,TL244132,2018-02-01,2018-09-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NS,Yes,51.804489,-0.195874,524489,213300,TL244132,2018-02-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NT,No,51.804489,-0.195874,524489,213300,TL244132,2019-06-01,2025-04-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NU,No,51.804489,-0.195874,524489,213300,TL244132,2018-04-01,2020-06-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NW,No,51.804489,-0.195874,524489,213300,TL244132,2018-05-01,2019-06-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NX,No,51.804489,-0.195874,524489,213300,TL244132,2018-08-01,2019-08-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NY,Yes,51.804489,-0.195874,524489,213300,TL244132,2018-09-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9NZ,No,51.804489,-0.195874,524489,213300,TL244132,2018-09-01,2019-10-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PA,No,51.804489,-0.195874,524489,213300,TL244132,2018-10-01,2019-06-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PB,No,51.804489,-0.195874,524489,213300,TL244132,2018-11-01,2019-06-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PE,No,51.804489,-0.195874,524489,213300,TL244132,2018-12-01,2019-09-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PF,No,51.804489,-0.195874,524489,213300,TL244132,2019-01-01,2020-02-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PG,Yes,51.804489,-0.195874,524489,213300,TL244132,2019-02-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PH,No,51.804489,-0.195874,524489,213300,TL244132,2019-05-01,2022-06-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PJ,Yes,51.804489,-0.195874,524489,213300,TL244132,2019-05-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PL,No,51.804489,-0.195874,524489,213300,TL244132,2019-06-01,2020-07-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PP,No,51.804489,-0.195874,524489,213300,TL244132,2019-09-01,2020-04-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PQ,No,51.804489,-0.195874,524489,213300,TL244132,2023-07-01,2024-06-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PR,No,51.804489,-0.195874,524489,213300,TL244132,2020-05-01,2021-06-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PS,No,51.804489,-0.195874,524489,213300,TL244132,2020-07-01,2021-08-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PT,No,51.804489,-0.195874,524489,213300,TL244132,2020-08-01,2021-02-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PU,No,51.804489,-0.195874,524489,213300,TL244132,2020-08-01,2021-02-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PW,Yes,51.804489,-0.195874,524489,213300,TL244132,2020-08-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PX,No,51.804489,-0.195874,524489,213300,TL244132,2021-05-01,2021-12-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PY,No,51.804489,-0.195874,524489,213300,TL244132,2020-10-01,2021-05-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9PZ,No,51.804489,-0.195874,524489,213300,TL244132,2020-11-01,2021-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QA,No,51.804489,-0.195874,524489,213300,TL244132,2024-02-01,2025-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QB,No,51.804489,-0.195874,524489,213300,TL244132,2020-12-01,2024-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QD,No,51.804489,-0.195874,524489,213300,TL244132,2021-02-01,2022-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QE,No,51.804489,-0.195874,524489,213300,TL244132,2021-04-01,2024-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QF,Yes,51.804489,-0.195874,524489,213300,TL244132,2021-05-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QG,No,51.804489,-0.195874,524489,213300,TL244132,2022-04-01,2022-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QH,Yes,51.804489,-0.195874,524489,213300,TL244132,2021-09-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QJ,Yes,51.804489,-0.195874,524489,213300,TL244132,2021-09-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QL,No,51.804489,-0.195874,524489,213300,TL244132,2021-11-01,2023-08-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QP,No,51.804489,-0.195874,524489,213300,TL244132,2021-11-01,2022-05-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QQ,Yes,51.804489,-0.195874,524489,213300,TL244132,2021-12-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QR,Yes,51.804489,-0.195874,524489,213300,TL244132,2022-03-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QS,No,51.804489,-0.195874,524489,213300,TL244132,2022-04-01,2023-05-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QT,No,51.804489,-0.195874,524489,213300,TL244132,2022-05-01,2022-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QU,No,51.804489,-0.195874,524489,213300,TL244132,2022-06-01,2024-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QW,No,51.804489,-0.195874,524489,213300,TL244132,2022-07-01,2024-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QX,Yes,51.804489,-0.195874,524489,213300,TL244132,2022-07-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QY,No,51.804489,-0.195874,524489,213300,TL244132,2022-07-01,2023-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9QZ,No,51.804489,-0.195874,524489,213300,TL244132,2022-09-01,2023-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RA,No,51.804489,-0.195874,524489,213300,TL244132,2023-02-01,2023-06-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RB,No,51.804489,-0.195874,524489,213300,TL244132,2023-02-01,2023-09-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RD,Yes,51.804489,-0.195874,524489,213300,TL244132,2023-03-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RE,No,51.804489,-0.195874,524489,213300,TL244132,2023-04-01,2024-03-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RF,Yes,51.804489,-0.195874,524489,213300,TL244132,2023-07-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RG,No,51.804489,-0.195874,524489,213300,TL244132,2023-08-01,2024-09-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RJ,Yes,51.804489,-0.195874,524489,213300,TL244132,2024-09-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RL,No,51.804489,-0.195874,524489,213300,TL244132,2024-06-01,2024-09-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RN,Yes,51.804489,-0.195874,524489,213300,TL244132,2024-08-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RP,No,51.804489,-0.195874,524489,213300,TL244132,2024-08-01,2025-01-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RQ,Yes,51.804489,-0.195874,524489,213300,TL244132,2024-09-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RR,No,51.804489,-0.195874,524489,213300,TL244132,2024-09-01,2025-01-01,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RS,Yes,51.804489,-0.195874,524489,213300,TL244132,2024-12-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RT,Yes,51.804489,-0.195874,524489,213300,TL244132,2025-02-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RU,Yes,51.804489,-0.195874,524489,213300,TL244132,2025-03-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL7 9RW,Yes,51.804489,-0.195874,524489,213300,TL244132,2025-03-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6AD,No,51.804489,-0.195874,524489,213300,TL244132,1996-06-01,2017-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6AN,Yes,51.804489,-0.195874,524489,213300,TL244132,1996-06-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6AU,No,51.804489,-0.195874,524489,213300,TL244132,1996-06-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6DP,No,51.804489,-0.195874,524489,213300,TL244132,1987-04-01,2018-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6DZ,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2001-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6GZ,No,51.804489,-0.195874,524489,213300,TL244132,1997-12-01,2006-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6NJ,No,51.804489,-0.195874,524489,213300,TL244132,1986-04-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6NR,No,51.804489,-0.195874,524489,213300,TL244132,1980-01-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6PP,No,51.804489,-0.195874,524489,213300,TL244132,1996-06-01,2004-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6PQ,No,51.804489,-0.195874,524489,213300,TL244132,1980-01-01,2020-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6QG,No,51.804489,-0.195874,524489,213300,TL244132,1995-01-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6QH,No,51.804489,-0.195874,524489,213300,TL244132,1995-12-01,2002-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6RL,No,51.804489,-0.195874,524489,213300,TL244132,1996-12-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6US,No,51.804489,-0.195874,524489,213300,TL244132,2004-01-01,2007-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6WA,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2010-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6WB,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2021-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6WJ,No,51.804489,-0.195874,524489,213300,TL244132,2004-05-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6WY,No,51.804489,-0.195874,524489,213300,TL244132,2004-08-01,2014-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZD,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2001-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZE,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2008-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZH,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2005-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZJ,No,51.804489,-0.195874,524489,213300,TL244132,2006-06-01,2006-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZL,No,51.804489,-0.195874,524489,213300,TL244132,2008-08-01,2009-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZN,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZP,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2006-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZQ,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2003-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZR,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2002-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZU,No,51.804489,-0.195874,524489,213300,TL244132,2010-07-01,2011-06-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZW,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2013-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 6ZX,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7AS,No,51.804489,-0.195874,524489,213300,TL244132,1996-06-01,2001-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7AU,No,51.804489,-0.195874,524489,213300,TL244132,1996-12-01,2003-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7DA,No,51.804489,-0.195874,524489,213300,TL244132,1993-01-01,2001-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7DD,No,51.804489,-0.195874,524489,213300,TL244132,1990-02-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7FT,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2001-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7LL,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2004-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7NE,No,51.804489,-0.195874,524489,213300,TL244132,1994-12-01,2011-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7SA,No,51.804489,-0.195874,524489,213300,TL244132,2001-06-01,2003-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7WA,No,51.804489,-0.195874,524489,213300,TL244132,2001-12-01,2006-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7WB,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2008-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7WD,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2017-03-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7WE,No,51.804489,-0.195874,524489,213300,TL244132,2004-08-01,2018-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7WG,No,51.804489,-0.195874,524489,213300,TL244132,2002-06-01,2006-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7WJ,No,51.804489,-0.195874,524489,213300,TL244132,2007-06-01,2007-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7XT,No,51.804489,-0.195874,524489,213300,TL244132,2004-01-01,2008-09-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7XZ,No,51.804489,-0.195874,524489,213300,TL244132,2002-09-01,2017-10-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7YZ,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2004-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZG,No,51.804489,-0.195874,524489,213300,TL244132,1999-06-01,2009-04-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZJ,No,51.804489,-0.195874,524489,213300,TL244132,1999-12-01,2003-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZN,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2006-01-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZP,No,51.804489,-0.195874,524489,213300,TL244132,2004-03-01,2009-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZQ,No,51.804489,-0.195874,524489,213300,TL244132,2003-02-01,2010-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZR,No,51.804489,-0.195874,524489,213300,TL244132,2003-07-01,2008-12-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZS,No,51.804489,-0.195874,524489,213300,TL244132,2002-12-01,2003-07-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZT,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2001-11-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZU,No,51.804489,-0.195874,524489,213300,TL244132,2000-12-01,2003-02-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZW,No,51.804489,-0.195874,524489,213300,TL244132,2000-06-01,2007-05-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A
AL8 7ZY,No,51.804489,-0.195874,524489,213300,TL244132,1998-06-01,2001-08-01,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023954,Welwyn Hatfield 007A,E01035604,Welwyn Hatfield 007A