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 6SP,Yes,51.849662,-0.159105,526897,218387,TL268183,1/1/1991 12:00:00 AM,,105,12,7,Knebworth,2.7,Datchworth,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG3 6SS,Yes,51.857003,-0.158776,526899,219204,TL268192,1/1/1980 12:00:00 AM,,123,30,8,Knebworth,2.2,Datchworth,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG3 6ST,Yes,51.855483,-0.157590,526985,219037,TL269190,1/1/1980 12:00:00 AM,,120,57,20,Knebworth,2.4,Datchworth,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG3 6SU,Yes,51.852923,-0.158943,526899,218750,TL268187,1/1/1980 12:00:00 AM,,116,63,23,Knebworth,2.5,Datchworth,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG3 6SX,Yes,51.851153,-0.158463,526937,218554,TL269185,1/1/1980 12:00:00 AM,,112,66,22,Knebworth,2.6,Datchworth,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG3 6TD,Yes,51.850389,-0.159598,526861,218467,TL268184,1/1/1980 12:00:00 AM,,106,40,14,Knebworth,2.6,Datchworth,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG3 6TF,Yes,51.853610,-0.155677,527122,218832,TL271188,1/1/1980 12:00:00 AM,,118,61,23,Watton-At-Stone,2.5,Datchworth,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural