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 0FL,Yes,51.833602,-0.168338,526306,216585,TL263165,1/1/2019 12:00:00 AM,,127,,,Welwyn North,2.0,Welwyn Garden City,Welwyn Garden City,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0HA,Yes,51.833835,-0.168865,526269,216610,TL262166,1/1/1980 12:00:00 AM,,127,26,10,Welwyn North,2.0,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0HE,Yes,51.831912,-0.167125,526394,216399,TL263163,1/1/1980 12:00:00 AM,,128,14,5,Welwyn North,2.0,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0HW,Yes,51.831133,-0.167897,526343,216311,TL263163,1/1/1980 12:00:00 AM,,127,3,2,Welwyn North,1.9,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0NA,No,51.832841,-0.168452,526300,216500,TL262164,12/1/1994 12:00:00 AM,1/1/1995 12:00:00 AM,129,,,Welwyn North,1.9,Welwyn Garden City,Welwyn Garden City,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0NB,No,51.832841,-0.168452,526300,216500,TL262164,12/1/1994 12:00:00 AM,1/1/1995 12:00:00 AM,129,,,Welwyn North,1.9,Welwyn Garden City,Welwyn Garden City,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0NH,Yes,51.833803,-0.164483,526571,216614,TL265166,1/1/1980 12:00:00 AM,,126,90,39,Welwyn North,2.2,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0NJ,Yes,51.836421,-0.160425,526843,216912,TL268169,1/1/1980 12:00:00 AM,,130,19,8,Welwyn North,2.6,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0NL,Yes,51.836171,-0.157706,527031,216889,TL270168,1/1/1980 12:00:00 AM,,131,31,12,Welwyn North,2.7,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0NN,Yes,51.835668,-0.156565,527111,216835,TL271168,1/1/1980 12:00:00 AM,,127,15,7,Welwyn North,2.8,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0NQ,Yes,51.833177,-0.168032,526328,216538,TL263165,1/1/1980 12:00:00 AM,,129,13,7,Welwyn North,2.0,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0PE,Yes,51.834249,-0.168206,526313,216657,TL263166,1/1/1980 12:00:00 AM,,127,13,5,Welwyn North,2.0,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
AL6 0SY,Yes,51.833337,-0.167923,526335,216556,TL263165,10/1/2006 12:00:00 AM,,129,11,5,Welwyn North,2.0,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG14 3RX,Yes,51.869563,-0.144227,527865,220626,TL278206,1/1/1980 12:00:00 AM,,71,10,5,Watton-At-Stone,2.2,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG14 3RY,Yes,51.869421,-0.143202,527936,220612,TL279206,1/1/1980 12:00:00 AM,,73,45,16,Watton-At-Stone,2.2,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG2 8XT,Yes,51.871933,-0.168679,526175,220847,TL261208,12/1/1996 12:00:00 AM,,90,,,Knebworth,1.4,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6GL,Yes,51.851264,-0.156785,527052,218569,TL270185,12/1/2001 12:00:00 AM,,114,25,10,Watton-At-Stone,2.6,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6QZ,Yes,51.863582,-0.166550,526345,219922,TL263199,1/1/1980 12:00:00 AM,,113,14,4,Knebworth,1.5,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RA,Yes,51.859377,-0.168449,526226,219451,TL262194,1/1/1980 12:00:00 AM,,115,14,6,Knebworth,1.5,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RB,Yes,51.856842,-0.169641,526151,219167,TL261191,1/1/1980 12:00:00 AM,,118,5,3,Knebworth,1.6,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RD,Yes,51.854800,-0.169027,526199,218941,TL261189,1/1/1980 12:00:00 AM,,117,7,3,Knebworth,1.8,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RE,Yes,51.857632,-0.163786,526552,219265,TL265192,1/1/1980 12:00:00 AM,,123,38,14,Knebworth,1.9,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RG,Yes,51.858188,-0.159788,526826,219334,TL268193,1/1/1980 12:00:00 AM,,125,10,2,Knebworth,2.1,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RH,Yes,51.857171,-0.157342,526997,219225,TL269192,1/1/1980 12:00:00 AM,,122,6,3,Knebworth,2.3,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RJ,Yes,51.857832,-0.155326,527134,219302,TL271193,1/1/1980 12:00:00 AM,,118,35,16,Knebworth,2.4,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RL,Yes,51.858731,-0.150714,527449,219410,TL274194,1/1/1980 12:00:00 AM,,109,15,4,Watton-At-Stone,2.2,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RN,Yes,51.860599,-0.148391,527604,219622,TL276196,1/1/1980 12:00:00 AM,,105,2,2,Watton-At-Stone,2.0,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RP,Yes,51.858114,-0.157246,527001,219330,TL270193,1/1/1980 12:00:00 AM,,123,46,18,Knebworth,2.3,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RR,Yes,51.858801,-0.155213,527139,219410,TL271194,1/1/1980 12:00:00 AM,,119,43,23,Knebworth,2.4,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RS,Yes,51.848383,-0.157135,527036,218248,TL270182,1/1/1980 12:00:00 AM,,108,11,4,Watton-At-Stone,2.7,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RU,Yes,51.849680,-0.152802,527331,218400,TL273183,1/1/1980 12:00:00 AM,,109,7,2,Watton-At-Stone,2.4,,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RX,Yes,51.846696,-0.157378,527024,218060,TL270180,1/1/1980 12:00:00 AM,,114,34,16,Watton-At-Stone,2.8,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6RZ,Yes,51.840809,-0.156399,527108,217407,TL271174,1/1/1980 12:00:00 AM,,127,19,6,Watton-At-Stone,3.1,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6SB,Yes,51.840586,-0.157700,527019,217380,TL270173,1/1/1980 12:00:00 AM,,126,29,9,Welwyn North,3.0,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6SD,No,51.838973,-0.158042,527000,217200,TL269171,4/1/1985 12:00:00 AM,12/1/1986 12:00:00 AM,131,,,Welwyn North,2.9,Welwyn Garden City,Welwyn Garden City,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6SE,Yes,51.838476,-0.155551,527173,217149,TL271171,1/1/1980 12:00:00 AM,,128,48,18,Welwyn North,3.0,Welwyn Garden City,Welwyn Garden City,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6SP,Yes,51.849655,-0.159130,526895,218386,TL268183,1/1/1991 12:00:00 AM,,105,12,7,Knebworth,2.7,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6SR,Yes,51.857602,-0.158443,526920,219271,TL269192,1/1/1980 12:00:00 AM,,123,36,16,Knebworth,2.2,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6SS,Yes,51.856996,-0.158801,526897,219203,TL268192,1/1/1980 12:00:00 AM,,123,30,8,Knebworth,2.2,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6ST,Yes,51.855476,-0.157615,526983,219036,TL269190,1/1/1980 12:00:00 AM,,120,57,20,Knebworth,2.4,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6SU,Yes,51.852923,-0.158943,526899,218750,TL268187,1/1/1980 12:00:00 AM,,116,63,23,Knebworth,2.5,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6SX,Yes,51.851146,-0.158488,526935,218553,TL269185,1/1/1980 12:00:00 AM,,112,66,22,Knebworth,2.6,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6SZ,Yes,51.849942,-0.158523,526936,218419,TL269184,1/1/1980 12:00:00 AM,,106,63,27,Knebworth,2.7,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TA,Yes,51.849444,-0.160024,526834,218361,TL268183,1/1/1980 12:00:00 AM,,105,51,18,Knebworth,2.7,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TB,Yes,51.848652,-0.158271,526957,218276,TL269182,1/1/1980 12:00:00 AM,,107,1,1,Watton-At-Stone,2.8,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TD,Yes,51.850382,-0.159623,526859,218466,TL268184,1/1/1980 12:00:00 AM,,106,40,14,Knebworth,2.6,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TE,Yes,51.851765,-0.156067,527100,218626,TL271186,1/1/1980 12:00:00 AM,,114,56,29,Watton-At-Stone,2.6,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TF,Yes,51.853603,-0.155702,527120,218831,TL271188,1/1/1980 12:00:00 AM,,118,61,23,Watton-At-Stone,2.5,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TG,Yes,51.851640,-0.157829,526979,218609,TL269186,1/1/1980 12:00:00 AM,,114,111,45,Knebworth,2.6,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TJ,No,51.850655,-0.157565,527000,218500,TL269184,2/1/1990 12:00:00 AM,12/1/1992 12:00:00 AM,110,,,Watton-At-Stone,2.7,Datchworth,,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TL,Yes,51.849487,-0.161605,526725,218363,TL267183,1/1/1980 12:00:00 AM,,104,89,37,Knebworth,2.6,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TN,Yes,51.850286,-0.165580,526449,218445,TL264184,1/1/1980 12:00:00 AM,,98,1,1,Knebworth,2.4,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TP,Yes,51.849833,-0.165337,526467,218395,TL264183,1/1/1980 12:00:00 AM,,98,25,8,Knebworth,2.4,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TQ,Yes,51.851865,-0.157268,527017,218635,TL270186,1/1/1980 12:00:00 AM,,116,86,41,Watton-At-Stone,2.6,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TR,No,51.849444,-0.160024,526834,218361,TL268183,12/1/1994 12:00:00 AM,10/1/2000 12:00:00 AM,105,,,Knebworth,2.7,Datchworth,,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6TW,No,51.849870,-0.164856,526500,218400,TL265183,7/1/1990 12:00:00 AM,5/1/1994 12:00:00 AM,99,,,Knebworth,2.4,Datchworth,,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6UH,Yes,51.851516,-0.156833,527048,218597,TL270185,12/1/1997 12:00:00 AM,,114,8,6,Watton-At-Stone,2.6,Datchworth,,Affinity Water,Thames Water,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural
SG3 6YE,No,51.851516,-0.156833,527048,218597,TL270185,12/1/2000 12:00:00 AM,3/1/2001 12:00:00 AM,114,,,Watton-At-Stone,2.6,Datchworth,,,,East Hertfordshire,"Aston, Datchworth & Walkern",Hertford Rural