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 AL7 3EA,Yes,51.791924,-0.182874,525420,211925,TL254119,1/1/1980 12:00:00 AM,,82,86,31,Welwyn Garden City,1.8,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Howlands,Welwyn Garden City South AL7 3EB,Yes,51.791869,-0.182180,525468,211920,TL254119,1/1/1980 12:00:00 AM,,82,85,36,Welwyn Garden City,1.8,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Howlands,Welwyn Garden City South AL7 3HZ,Yes,51.791520,-0.181716,525501,211882,TL255118,1/1/1992 12:00:00 AM,,81,98,37,Welwyn Garden City,1.9,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Howlands,Welwyn Garden City South AL7 3JW,Yes,51.790524,-0.181292,525533,211772,TL255117,1/1/1991 12:00:00 AM,,77,44,27,Welwyn Garden City,2.0,Welwyn Garden City,Affinity Water,Thames Water,Welwyn Hatfield,Howlands,Welwyn Garden City South