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 SG3 6LF,No,51.850972,-0.177879,525600,218500,TL256185,1/1/1980 12:00:00 AM,12/1/1990 12:00:00 AM,94,,,Knebworth,1.9,Woolmer Green,,,Welwyn Hatfield,Welwyn East,Welwyn SG3 6LG,Yes,51.851609,-0.180211,525438,218567,TL254185,1/1/1980 12:00:00 AM,,96,7,4,Knebworth,1.8,Woolmer Green,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn East,Welwyn SG3 6LJ,Yes,51.851960,-0.180211,525437,218606,TL254186,1/1/1980 12:00:00 AM,,95,11,6,Knebworth,1.7,Woolmer Green,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn East,Welwyn SG3 6LP,Yes,51.850904,-0.179978,525456,218489,TL254184,2/1/1990 12:00:00 AM,,97,22,13,Knebworth,1.8,Woolmer Green,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn East,Welwyn SG3 6LQ,No,51.850972,-0.177879,525600,218500,TL256185,1/1/1980 12:00:00 AM,12/1/1981 12:00:00 AM,94,,,Knebworth,1.9,Woolmer Green,,,Welwyn Hatfield,Welwyn East,Welwyn SG3 6LT,Yes,51.850496,-0.178034,525591,218447,TL255184,1/1/1991 12:00:00 AM,,95,39,21,Knebworth,1.9,Woolmer Green,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn East,Welwyn SG3 6LX,Yes,51.851255,-0.178250,525574,218531,TL255185,1/1/1991 12:00:00 AM,,95,210,98,Knebworth,1.8,Woolmer Green,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn East,Welwyn