Postcode,In Use?,Latitude,Longitude,Easting,Northing,Grid Ref,Introduced,Terminated,Altitude,Population,Households,Nearest Station,Distance To Station (KM),Built Up Area,Water Company,Sewage Company,District,Ward,County Electoral Division AL8 7HE,Yes,51.814355,-0.203619,523928,214384,TL239143,1/1/1980 12:00:00 AM,,101,37,12,Welwyn North,1.3,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Sherrards,Welwyn AL8 7HL,Yes,51.813907,-0.203739,523921,214334,TL239143,1/1/1980 12:00:00 AM,,105,13,7,Welwyn North,1.3,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Sherrards,Welwyn AL8 7QF,No,51.814529,-0.205464,523800,214400,TL237144,3/1/1982 12:00:00 AM,12/1/1990 12:00:00 AM,101,,,Welwyn North,1.4,Welwyn Garden City,,,Welwyn Hatfield,Sherrards,Welwyn AL8 7QG,Yes,51.815020,-0.204647,523855,214456,TL238144,1/1/1980 12:00:00 AM,,98,34,9,Welwyn North,1.3,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Sherrards,Welwyn AL8 7QH,Yes,51.815226,-0.205920,523767,214477,TL237144,1/1/1980 12:00:00 AM,,92,66,25,Welwyn North,1.3,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Sherrards,Welwyn AL8 7QJ,Yes,51.815684,-0.205888,523768,214528,TL237145,1/1/1980 12:00:00 AM,,91,46,19,Welwyn North,1.3,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Sherrards,Welwyn AL8 7QP,Yes,51.814895,-0.208385,523598,214436,TL235144,1/1/1980 12:00:00 AM,,92,67,29,Welwyn North,1.5,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Sherrards,Welwyn AL8 7QQ,No,51.814529,-0.205464,523800,214400,TL237144,1/1/1980 12:00:00 AM,7/1/1995 12:00:00 AM,101,,,Welwyn North,1.4,Welwyn Garden City,,,Welwyn Hatfield,Sherrards,Welwyn AL8 7RH,Yes,51.815315,-0.203373,523942,214491,TL239144,1/1/1980 12:00:00 AM,,95,10,5,Welwyn North,1.2,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Sherrards,Welwyn AL8 7RJ,Yes,51.814747,-0.203995,523901,214427,TL239144,1/1/1980 12:00:00 AM,,99,11,4,Welwyn North,1.3,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Sherrards,Welwyn AL8 7RL,Yes,51.814986,-0.203603,523927,214454,TL239144,4/1/2005 12:00:00 AM,,96,54,30,Welwyn North,1.2,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Sherrards,Welwyn