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 SG2 7JL,Yes,51.917944,-0.129146,528765,226033,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,51.915128,-0.130237,528698,225718,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,51.915359,-0.130009,528713,225744,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,51.917209,-0.131576,528600,225947,TL285259,1/1/1980 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,51.916097,-0.129499,528746,225827,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,51.917265,-0.130017,528707,225956,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,51.913757,-0.129974,528720,225566,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,51.914477,-0.128854,528795,225648,TL287256,1/1/1980 12:00:00 AM,,84,31,12,Stevenage,5.5,Walkern,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NS,Yes,51.916833,-0.128290,528827,225911,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,51.916543,-0.127561,528878,225880,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