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 7BF,Yes,51.920188,-0.126100,528968,226288,TL289262,5/1/2010 12:00:00 AM,,87,18,6,Stevenage,5.9,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7FA,Yes,51.920268,-0.128293,528817,226293,TL288262,10/1/2014 12:00:00 AM,,93,,,Stevenage,5.8,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NT,Yes,51.919319,-0.126864,528918,226190,TL289261,1/1/1980 12:00:00 AM,,86,10,5,Stevenage,5.8,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NU,Yes,51.918053,-0.128138,528834,226047,TL288260,1/1/1980 12:00:00 AM,,87,99,41,Stevenage,5.7,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NX,Yes,51.920433,-0.126788,528920,226314,TL289263,1/1/1980 12:00:00 AM,,89,37,15,Stevenage,5.9,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7NZ,Yes,51.920566,-0.124965,529045,226332,TL290263,1/1/1980 12:00:00 AM,,87,18,8,Stevenage,6.0,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7PA,Yes,51.921767,-0.125875,528979,226464,TL289264,1/1/1980 12:00:00 AM,,89,12,6,Stevenage,6.0,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7PB,Yes,51.922062,-0.120671,529336,226506,TL293265,1/1/1980 12:00:00 AM,,89,34,12,Stevenage,6.3,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7PD,Yes,51.923521,-0.124754,529051,226661,TL290266,1/1/1980 12:00:00 AM,,92,14,7,Stevenage,6.1,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7PF,Yes,51.921317,-0.127032,528901,226412,TL289264,7/1/1990 12:00:00 AM,,91,3,1,Stevenage,5.9,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7PG,Yes,51.920813,-0.126961,528907,226356,TL289263,1/1/1980 12:00:00 AM,,90,68,30,Stevenage,5.9,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7PJ,Yes,51.919495,-0.128296,528819,226207,TL288262,1/1/1980 12:00:00 AM,,91,17,6,Stevenage,5.8,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7PL,Yes,51.919502,-0.125954,528980,226212,TL289262,1/1/1980 12:00:00 AM,,85,22,9,Stevenage,5.9,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7PT,No,51.924781,-0.125444,529000,226800,TL289267,1/1/1992 12:00:00 AM,12/1/1992 12:00:00 AM,90,,,Stevenage,6.2,Walkern,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7PW,No,51.919413,-0.127121,528900,226200,TL289261,12/1/1995 12:00:00 AM,12/1/1996 12:00:00 AM,87,,,Stevenage,5.8,Walkern,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural SG2 7SS,Yes,51.919625,-0.128062,528835,226222,TL288262,6/1/1999 12:00:00 AM,,91,6,2,Stevenage,5.8,Walkern,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural