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
AL6 9BS,Yes,51.843475,-0.266815,519495,217517,TL194175,1/1/1980 12:00:00 AM,,125,6,2,Welwyn North,5.6,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NG,Yes,51.838823,-0.221874,522603,217074,TL226170,1/1/1980 12:00:00 AM,,72,4,1,Welwyn North,2.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NN,Yes,51.834583,-0.225268,522381,216597,TL223165,1/1/1980 12:00:00 AM,,87,27,11,Welwyn North,2.6,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NP,Yes,51.837833,-0.221962,522600,216964,TL225169,1/1/1980 12:00:00 AM,,72,12,5,Welwyn North,2.6,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NR,Yes,51.838520,-0.223430,522497,217038,TL224170,5/1/2005 12:00:00 AM,,71,6,4,Welwyn North,2.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NW,Yes,51.835764,-0.223562,522495,216731,TL224167,1/1/1980 12:00:00 AM,,83,86,33,Welwyn North,2.6,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9TU,Yes,51.839110,-0.223619,522482,217103,TL224171,1/1/1980 12:00:00 AM,,72,7,3,Welwyn North,2.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9TZ,No,51.842739,-0.227570,522200,217500,TL221174,1/1/1980 12:00:00 AM,12/1/1996 12:00:00 AM,84,,,Welwyn North,3.2,Welwyn Garden City,Oaklands,,,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9UH,Yes,51.845243,-0.229756,522043,217775,TL220177,1/1/1980 12:00:00 AM,,88,3,1,Welwyn North,3.5,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9UZ,No,51.839999,-0.224774,522400,217200,TL223171,2/1/1990 12:00:00 AM,1/1/1995 12:00:00 AM,79,,,Welwyn North,2.9,Welwyn Garden City,Oaklands,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8DE,Yes,51.846716,-0.229640,522047,217939,TL220179,12/1/2021 12:00:00 AM,,88,,,Welwyn North,3.6,Welwyn Garden City,Oaklands,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8DU,Yes,51.848774,-0.235541,521635,218158,TL216181,7/1/1986 12:00:00 AM,,106,14,8,Knebworth,3.9,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8EB,Yes,51.848602,-0.243272,521103,218126,TL211181,10/1/2023 12:00:00 AM,,126,,,Knebworth,4.3,,,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8EW,Yes,51.850705,-0.236017,521597,218372,TL215183,10/1/2023 12:00:00 AM,,126,,,Knebworth,3.8,Welwyn Garden City,Oaklands,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8PY,Yes,51.848301,-0.237442,521505,218102,TL215181,1/1/1992 12:00:00 AM,,109,24,6,Knebworth,4.0,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SF,Yes,51.847501,-0.247859,520790,217996,TL207179,12/1/2001 12:00:00 AM,,80,,,Welwyn North,4.7,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SH,No,51.847558,-0.249158,520700,218000,TL206179,6/1/1981 12:00:00 AM,12/1/1992 12:00:00 AM,79,,,Welwyn North,4.7,,,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SJ,No,51.848392,-0.244770,521000,218100,TL209180,1/1/1992 12:00:00 AM,5/1/1994 12:00:00 AM,100,,,Knebworth,4.4,,,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SL,Yes,51.847766,-0.248003,520779,218025,TL207180,1/1/1980 12:00:00 AM,,83,14,5,Knebworth,4.7,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SN,Yes,51.849744,-0.246184,520899,218248,TL208182,1/1/1980 12:00:00 AM,,98,5,1,Knebworth,4.5,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SP,Yes,51.838685,-0.240348,521331,217028,TL213170,1/1/1980 12:00:00 AM,,85,17,5,Welwyn North,3.7,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SS,No,51.847775,-0.248032,520777,218026,TL207180,1/1/1980 12:00:00 AM,11/1/2002 12:00:00 AM,83,,,Knebworth,4.7,,,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8ST,Yes,51.851618,-0.260936,519878,218432,TL198184,1/1/1980 12:00:00 AM,,81,22,8,Knebworth,5.3,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SW,Yes,51.847870,-0.230451,521988,218066,TL219180,1/1/1993 12:00:00 AM,,91,49,26,Knebworth,3.6,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SY,Yes,51.847960,-0.232858,521822,218072,TL218180,10/1/2006 12:00:00 AM,,100,29,13,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SZ,Yes,51.855936,-0.250915,520557,218929,TL205189,1/1/1980 12:00:00 AM,,99,15,5,Knebworth,4.5,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8TF,Yes,51.847662,-0.233959,521747,218037,TL217180,9/1/2002 12:00:00 AM,,102,22,7,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8TX,No,51.848240,-0.234613,521700,218100,TL216180,7/1/1990 12:00:00 AM,12/1/1991 12:00:00 AM,104,,,Knebworth,3.9,Welwyn Garden City,Oaklands,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8TY,Yes,51.847042,-0.232807,521828,217970,TL218179,7/1/1990 12:00:00 AM,,99,7,6,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8TZ,No,51.848240,-0.234613,521700,218100,TL216180,1/1/1980 12:00:00 AM,7/1/1995 12:00:00 AM,104,,,Knebworth,3.9,Welwyn Garden City,Oaklands,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UA,Yes,51.848680,-0.233928,521746,218150,TL217181,1/1/1980 12:00:00 AM,,103,13,7,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UB,Yes,51.847677,-0.232579,521842,218041,TL218180,1/1/1980 12:00:00 AM,,99,121,55,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UD,Yes,51.846789,-0.230929,521958,217945,TL219179,1/1/1980 12:00:00 AM,,94,44,18,Welwyn North,3.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UE,Yes,51.848410,-0.234074,521737,218120,TL217181,1/1/1980 12:00:00 AM,,104,5,5,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UF,Yes,51.847104,-0.233205,521800,217976,TL218179,1/1/1980 12:00:00 AM,,99,12,6,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UG,Yes,51.848841,-0.232809,521823,218170,TL218181,1/1/1980 12:00:00 AM,,99,53,28,Knebworth,3.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UH,Yes,51.847125,-0.230553,521983,217983,TL219179,1/1/1980 12:00:00 AM,,92,24,9,Knebworth,3.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UJ,Yes,51.847140,-0.233828,521757,217979,TL217179,1/1/1980 12:00:00 AM,,100,63,41,Knebworth,3.9,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UL,Yes,51.847351,-0.230022,522019,218009,TL220180,1/1/1980 12:00:00 AM,,90,17,6,Knebworth,3.6,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UN,Yes,51.846390,-0.233553,521778,217896,TL217178,1/1/1980 12:00:00 AM,,99,44,15,Welwyn North,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UP,Yes,51.845884,-0.234618,521706,217838,TL217178,1/1/1980 12:00:00 AM,,98,13,8,Welwyn North,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UQ,Yes,51.848144,-0.231907,521887,218094,TL218180,1/1/1980 12:00:00 AM,,96,97,40,Knebworth,3.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8US,Yes,51.849471,-0.234643,521695,218237,TL216182,12/1/2001 12:00:00 AM,,103,8,5,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UT,Yes,51.848330,-0.236546,521567,218107,TL215181,1/1/1980 12:00:00 AM,,107,71,32,Knebworth,4.0,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UU,Yes,51.846535,-0.237830,521483,217905,TL214179,1/1/1980 12:00:00 AM,,105,56,22,Welwyn North,4.1,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UW,Yes,51.846280,-0.235807,521623,217880,TL216178,1/1/1980 12:00:00 AM,,101,10,4,Welwyn North,3.9,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UX,Yes,51.847887,-0.235184,521662,218060,TL216180,1/1/1980 12:00:00 AM,,104,59,24,Knebworth,3.9,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UY,Yes,51.843675,-0.238392,521452,217586,TL214175,7/1/1983 12:00:00 AM,,102,3,1,Welwyn North,3.9,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UZ,Yes,51.845596,-0.240703,521288,217796,TL212177,1/1/1980 12:00:00 AM,,103,8,3,Welwyn North,4.1,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8WD,No,51.848871,-0.234080,521735,218171,TL217181,10/1/2006 12:00:00 AM,6/1/2012 12:00:00 AM,103,,,Knebworth,3.8,Welwyn Garden City,Oaklands,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8WH,Yes,51.843613,-0.238588,521439,217579,TL214175,6/1/2002 12:00:00 AM,,102,,,Welwyn North,3.9,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8WW,Yes,51.848526,-0.244814,520997,218115,TL209181,12/1/1997 12:00:00 AM,,100,2,1,Knebworth,4.4,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8XD,Yes,51.850117,-0.236389,521573,218306,TL215183,1/1/1980 12:00:00 AM,,104,21,14,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8XE,Yes,51.849374,-0.235968,521604,218224,TL216182,1/1/1980 12:00:00 AM,,106,70,35,Knebworth,3.9,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8XF,Yes,51.848842,-0.234130,521732,218168,TL217181,12/1/2000 12:00:00 AM,,103,3,1,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8XG,Yes,51.849176,-0.235990,521603,218202,TL216182,1/1/1980 12:00:00 AM,,106,5,2,Knebworth,3.9,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8XQ,Yes,51.849367,-0.235992,521602,218223,TL216182,1/1/1980 12:00:00 AM,,105,,,Knebworth,3.9,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8XT,Yes,51.850956,-0.235964,521600,218400,TL215183,1/1/1980 12:00:00 AM,,106,21,6,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8XU,Yes,51.851194,-0.236675,521550,218425,TL215184,1/1/1980 12:00:00 AM,,107,4,3,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8XZ,Yes,51.850762,-0.233837,521747,218382,TL217183,1/1/1980 12:00:00 AM,,104,11,7,Knebworth,3.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8YH,Yes,51.848087,-0.240737,521279,218073,TL212180,1/1/1980 12:00:00 AM,,112,62,24,Knebworth,4.2,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8YJ,Yes,51.851677,-0.236081,521590,218480,TL215184,2/1/1990 12:00:00 AM,,109,79,46,Knebworth,3.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8YP,Yes,51.849393,-0.234147,521729,218229,TL217182,1/1/1980 12:00:00 AM,,103,58,19,Knebworth,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8YQ,Yes,51.849097,-0.230708,521967,218202,TL219182,1/1/1980 12:00:00 AM,,92,14,8,Knebworth,3.6,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8YX,Yes,51.849079,-0.229963,522018,218201,TL220182,2/1/1984 12:00:00 AM,,88,64,37,Knebworth,3.5,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8ZW,No,51.848871,-0.234080,521735,218171,TL217181,2/1/2007 12:00:00 AM,3/1/2012 12:00:00 AM,103,,,Knebworth,3.8,Welwyn Garden City,Oaklands,,,North Hertfordshire,Codicote,Knebworth & Codicote