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
AL6 9BS,Yes,51.843475,-0.266815,519495,217517,TL194175,1/1/1980 12:00:00 AM,,125,6,2,Welwyn North,5.6,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NG,Yes,51.838823,-0.221874,522603,217074,TL226170,1/1/1980 12:00:00 AM,,72,4,1,Welwyn North,2.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NN,Yes,51.834583,-0.225268,522381,216597,TL223165,1/1/1980 12:00:00 AM,,87,27,11,Welwyn North,2.6,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NP,Yes,51.837833,-0.221962,522600,216964,TL225169,1/1/1980 12:00:00 AM,,72,12,5,Welwyn North,2.6,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NR,Yes,51.838520,-0.223430,522497,217038,TL224170,5/1/2005 12:00:00 AM,,71,6,4,Welwyn North,2.7,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9NW,Yes,51.835764,-0.223562,522495,216731,TL224167,1/1/1980 12:00:00 AM,,83,86,33,Welwyn North,2.6,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9TU,Yes,51.839110,-0.223619,522482,217103,TL224171,1/1/1980 12:00:00 AM,,72,7,3,Welwyn North,2.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
AL6 9UZ,No,51.839999,-0.224774,522400,217200,TL223171,2/1/1990 12:00:00 AM,1/1/1995 12:00:00 AM,79,,,Welwyn North,2.9,Welwyn Garden City,Oaklands,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8EB,Yes,51.848602,-0.243272,521103,218126,TL211181,10/1/2023 12:00:00 AM,,126,,,Knebworth,4.3,,,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SF,Yes,51.847501,-0.247859,520790,217996,TL207179,12/1/2001 12:00:00 AM,,80,,,Welwyn North,4.7,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SH,No,51.847558,-0.249158,520700,218000,TL206179,6/1/1981 12:00:00 AM,12/1/1992 12:00:00 AM,79,,,Welwyn North,4.7,,,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SJ,No,51.848392,-0.244770,521000,218100,TL209180,1/1/1992 12:00:00 AM,5/1/1994 12:00:00 AM,100,,,Knebworth,4.4,,,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SL,Yes,51.847766,-0.248003,520779,218025,TL207180,1/1/1980 12:00:00 AM,,83,14,5,Knebworth,4.7,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SN,Yes,51.849744,-0.246184,520899,218248,TL208182,1/1/1980 12:00:00 AM,,98,5,1,Knebworth,4.5,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SP,Yes,51.838685,-0.240348,521331,217028,TL213170,1/1/1980 12:00:00 AM,,85,17,5,Welwyn North,3.7,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SS,No,51.847775,-0.248032,520777,218026,TL207180,1/1/1980 12:00:00 AM,11/1/2002 12:00:00 AM,83,,,Knebworth,4.7,,,,,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8ST,Yes,51.851618,-0.260936,519878,218432,TL198184,1/1/1980 12:00:00 AM,,81,22,8,Knebworth,5.3,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8SZ,Yes,51.855936,-0.250915,520557,218929,TL205189,1/1/1980 12:00:00 AM,,99,15,5,Knebworth,4.5,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UP,Yes,51.845884,-0.234618,521706,217838,TL217178,1/1/1980 12:00:00 AM,,98,13,8,Welwyn North,3.8,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UU,Yes,51.846535,-0.237830,521483,217905,TL214179,1/1/1980 12:00:00 AM,,105,56,22,Welwyn North,4.1,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UW,Yes,51.846280,-0.235807,521623,217880,TL216178,1/1/1980 12:00:00 AM,,101,10,4,Welwyn North,3.9,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UY,Yes,51.843675,-0.238392,521452,217586,TL214175,7/1/1983 12:00:00 AM,,102,3,1,Welwyn North,3.9,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8UZ,Yes,51.845596,-0.240703,521288,217796,TL212177,1/1/1980 12:00:00 AM,,103,8,3,Welwyn North,4.1,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8WH,Yes,51.843613,-0.238588,521439,217579,TL214175,6/1/2002 12:00:00 AM,,102,,,Welwyn North,3.9,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8WW,Yes,51.848526,-0.244814,520997,218115,TL209181,12/1/1997 12:00:00 AM,,100,2,1,Knebworth,4.4,,,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote
SG4 8YH,Yes,51.848087,-0.240737,521279,218073,TL212180,1/1/1980 12:00:00 AM,,112,62,24,Knebworth,4.2,Welwyn Garden City,Oaklands,Affinity Water,Thames Water,North Hertfordshire,Codicote,Knebworth & Codicote