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 7NN,Yes,51.735247,-0.210539,523667,205575,TL236055,4/1/1985 12:00:00 AM,,91,94,63,Welham Green,0.1,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7NW,Yes,51.734695,-0.210315,523684,205514,TL236055,1/1/1983 12:00:00 AM,,91,43,19,Welham Green,0.2,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7NZ,Yes,51.732738,-0.209958,523714,205297,TL237052,1/1/1980 12:00:00 AM,,90,38,16,Welham Green,0.4,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South AL9 7PA,Yes,51.733660,-0.209632,523734,205400,TL237053,1/1/1980 12:00:00 AM,,92,41,20,Welham Green,0.3,Hatfield,Welham Green,Affinity Water,Thames Water,Welwyn Hatfield,Welham Green and Hatfield South,Hatfield South