Postcode,In Use?,Latitude,Longitude,Easting,Northing,Grid Ref,Introduced,Terminated,Altitude,Population,Households,Nearest Station,Distance To Station (KM),Built Up Area,Built Up Area Sub-Division,Water Company,Sewage Company,District,Ward,County Electoral Division AL9 7DG,Yes,51.734087,-0.217950,523158,205433,TL231054,1/1/1983 12:00:00 AM,,92,12,9,Welham Green,0.6,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7DL,Yes,51.733709,-0.217638,523181,205392,TL231053,1/1/1980 12:00:00 AM,,92,10,5,Welham Green,0.6,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7DN,Yes,51.732876,-0.219018,523088,205297,TL230052,1/1/1980 12:00:00 AM,,93,49,25,Welham Green,0.7,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7DP,No,51.732028,-0.220319,523000,205200,TL229052,1/1/1980 12:00:00 AM,12/1/1990 12:00:00 AM,94,,,Welham Green,0.8,Hatfield,Welham Green,,,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7EE,Yes,51.732814,-0.220280,523001,205288,TL230052,1/1/1980 12:00:00 AM,,93,4,2,Welham Green,0.8,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7EL,Yes,51.732067,-0.219390,523064,205206,TL230052,4/1/1985 12:00:00 AM,,94,76,41,Welham Green,0.8,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7EW,Yes,51.732862,-0.218077,523153,205297,TL231052,6/1/2002 12:00:00 AM,,93,20,8,Welham Green,0.6,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7PG,Yes,51.731789,-0.213464,523474,205185,TL234051,1/1/1980 12:00:00 AM,,91,32,11,Welham Green,0.5,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7PJ,Yes,51.733207,-0.217687,523179,205336,TL231053,1/1/1980 12:00:00 AM,,93,5,3,Welham Green,0.6,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7PL,Yes,51.732714,-0.214260,523417,205287,TL234052,1/1/1980 12:00:00 AM,,94,3,2,Welham Green,0.5,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7PN,Yes,51.733319,-0.216799,523240,205350,TL232053,1/1/1980 12:00:00 AM,,93,15,7,Welham Green,0.5,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7PW,Yes,51.733023,-0.215102,523358,205319,TL233053,1/1/1980 12:00:00 AM,,94,5,2,Welham Green,0.5,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7PZ,Yes,51.733243,-0.214166,523422,205346,TL234053,6/1/1981 12:00:00 AM,,95,21,9,Welham Green,0.4,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7SP,No,51.731041,-0.214565,523400,205100,TL234050,1/1/1980 12:00:00 AM,12/1/1996 12:00:00 AM,88,,,Welham Green,0.6,Hatfield,Welham Green,,,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7SR,No,51.731918,-0.213082,523500,205200,TL235052,1/1/1980 12:00:00 AM,7/1/1997 12:00:00 AM,90,,,Welham Green,0.5,Hatfield,Welham Green,,,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South