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 SG2 7JL,Yes,51.917951,-0.129121,528767,226034,TL287260,2/1/1990 12:00:00 AM,,87,86,40,Stevenage,5.6,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7JS,Yes,51.915136,-0.130212,528700,225719,TL286257,6/1/1996 12:00:00 AM,,86,17,5,Stevenage,5.5,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NB,Yes,51.915366,-0.129984,528715,225745,TL287257,12/1/2001 12:00:00 AM,,86,38,18,Stevenage,5.5,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NH,Yes,51.917217,-0.131551,528602,225948,TL286259,1/1/1980 12:00:00 AM,,86,31,11,Stevenage,5.5,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NL,Yes,51.916105,-0.129474,528748,225828,TL287258,10/1/2007 12:00:00 AM,,85,47,17,Stevenage,5.6,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NN,Yes,51.917273,-0.129992,528709,225957,TL287259,1/1/1980 12:00:00 AM,,85,21,7,Stevenage,5.6,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NP,Yes,51.913765,-0.129949,528722,225567,TL287255,1/1/1980 12:00:00 AM,,83,48,18,Stevenage,5.5,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NR,Yes,51.914485,-0.128829,528797,225649,TL287256,1/1/1980 12:00:00 AM,,84,31,12,Stevenage,5.6,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NS,Yes,51.916841,-0.128265,528829,225912,TL288259,1/1/1980 12:00:00 AM,,83,21,7,Stevenage,5.7,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7RG,Yes,51.916550,-0.127536,528880,225881,TL288258,6/1/1998 12:00:00 AM,,82,52,18,Stevenage,5.7,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural