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 WD4 8LP,Yes,51.710048,-0.441667,507767,202406,TL077024,1/1/1980 12:00:00 AM,,72,66,47,Kings Langley,0.5,Greater London,Hemel Hempstead,Affinity Water,Thames Water,Three Rivers,Gade Valley,Three Rivers Rural WD4 8SL,Yes,51.710733,-0.441817,507755,202482,TL077024,10/1/2006 12:00:00 AM,,72,130,53,Kings Langley,0.5,Greater London,Hemel Hempstead,Affinity Water,Thames Water,Three Rivers,Gade Valley,Three Rivers Rural