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 AL6 9DJ,Yes,51.826582,-0.216391,523014,215722,TL230157,1/1/1980 12:00:00 AM,,89,,,Welwyn North,1.7,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9FF,Yes,51.821861,-0.222431,522611,215187,TL226151,10/1/2015 12:00:00 AM,,82,,,Welwyn North,2.1,,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9FU,Yes,51.822093,-0.223330,522548,215211,TL225152,6/1/2015 12:00:00 AM,,120,,,Welwyn North,2.2,,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9HN,Yes,51.828224,-0.224468,522453,215891,TL224158,11/1/2006 12:00:00 AM,,93,9,9,Welwyn North,2.3,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9JT,Yes,51.824643,-0.219071,522835,215502,TL228155,1/1/1980 12:00:00 AM,,104,19,15,Welwyn North,1.9,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9JZ,Yes,51.823464,-0.220205,522760,215369,TL227153,1/1/1980 12:00:00 AM,,111,37,14,Welwyn North,1.9,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9PJ,Yes,51.827076,-0.222356,522602,215767,TL226157,1/1/1980 12:00:00 AM,,86,26,9,Welwyn North,2.1,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9PL,Yes,51.827397,-0.222808,522570,215802,TL225158,1/1/1980 12:00:00 AM,,86,51,16,Welwyn North,2.2,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9PP,Yes,51.829968,-0.223955,522484,216086,TL224160,1/1/1980 12:00:00 AM,,97,58,18,Welwyn North,2.3,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9PU,Yes,51.829372,-0.224341,522459,216019,TL224160,1/1/1980 12:00:00 AM,,98,62,25,Welwyn North,2.3,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9PW,Yes,51.828315,-0.223425,522525,215903,TL225159,1/1/1980 12:00:00 AM,,87,1,0,Welwyn North,2.2,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9PX,Yes,51.829262,-0.224810,522427,216006,TL224160,1/1/1980 12:00:00 AM,,99,63,28,Welwyn North,2.3,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn AL6 9QH,No,51.827374,-0.222368,522600,215800,TL225157,12/1/1994 12:00:00 AM,7/1/1995 12:00:00 AM,85,,,Welwyn North,2.1,Welwyn,,,Welwyn Hatfield,Welwyn West,Welwyn AL6 9QQ,No,51.827374,-0.222368,522600,215800,TL225157,5/1/1994 12:00:00 AM,7/1/1995 12:00:00 AM,85,,,Welwyn North,2.1,Welwyn,,,Welwyn Hatfield,Welwyn West,Welwyn AL6 9SB,Yes,51.827958,-0.222882,522563,215864,TL225158,1/1/2004 12:00:00 AM,,87,2,0,Welwyn North,2.2,Welwyn,Affinity Water,Thames Water,Welwyn Hatfield,Welwyn West,Welwyn