Postcode,In Use?,Latitude,Longitude,Easting,Northing,Grid Ref,Introduced,Terminated,Parish,Altitude,Country,Last Updated,Quality,LSOA Code,LSOA Name,LSOA Code 2021,LSOA Name 2021
AL3 7AW,Yes,51.788145,-0.438578,507795,211096,TL077110,1980-01-01,,Flamstead,139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 7DJ,Yes,51.797588,-0.414555,509429,212182,TL094121,1980-01-01,,Flamstead,121,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AA,Yes,51.830797,-0.469654,505552,215794,TL055157,1980-01-01,,Markyate,165,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8AB,Yes,51.830357,-0.471062,505456,215743,TL054157,1980-01-01,,Markyate,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8AD,Yes,51.828506,-0.471154,505454,215537,TL054155,1980-01-01,,Flamstead,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AE,Yes,51.824074,-0.472624,505363,215042,TL053150,1980-01-01,,Flamstead,144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AF,Yes,51.824334,-0.458802,506315,215091,TL063150,1980-01-01,,Flamstead,155,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AG,Yes,51.829918,-0.476751,505065,215686,TL050156,1980-01-01,,Markyate,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8AH,Yes,51.830131,-0.485509,504461,215697,TL044156,1980-01-01,,Flamstead,158,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AJ,Yes,51.824525,-0.492952,503961,215063,TL039150,1980-01-01,,Flamstead,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AL,Yes,51.823218,-0.491951,504033,214919,TL040149,1980-01-01,,Flamstead,162,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AN,Yes,51.820432,-0.487198,504367,214616,TL043146,1980-01-01,,Flamstead,164,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AP,Yes,51.817799,-0.473388,505325,214343,TL053143,1980-01-01,,Flamstead,140,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AQ,Yes,51.829004,-0.481136,504765,215578,TL047155,1980-01-01,,Flamstead,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AR,Yes,51.819875,-0.472650,505371,214575,TL053145,1980-01-01,,Flamstead,150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AS,Yes,51.819287,-0.468245,505676,214516,TL056145,1980-01-01,,Flamstead,136,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8AT,Yes,51.819256,-0.462356,506082,214521,TL060145,1980-01-01,,Flamstead,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8AU,Yes,51.814991,-0.471147,505486,214034,TL054140,1980-01-01,,Flamstead,157,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AW,Yes,51.818934,-0.484666,504545,214453,TL045144,1980-01-01,,Flamstead,160,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AX,Yes,51.813510,-0.467179,505763,213875,TL057138,1980-01-01,,Flamstead,154,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AY,Yes,51.808918,-0.463955,505996,213369,TL059133,1980-01-01,,Flamstead,159,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8AZ,Yes,51.807326,-0.455045,506614,213205,TL066132,1980-01-01,,Flamstead,153,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8BA,Yes,51.809370,-0.443675,507393,213449,TL073134,1980-01-01,,Flamstead,134,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8BB,Yes,51.804279,-0.440109,507651,212888,TL076128,1980-01-01,,Flamstead,146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8BD,Yes,51.799950,-0.441215,507585,212405,TL075124,1980-01-01,,Flamstead,142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8BE,No,51.831515,-0.454377,506603,215896,TL066158,1996-06-01,1998-12-01,Markyate,133,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8BF,No,51.819515,-0.418196,509125,214615,TL091146,2006-04-01,2008-06-01,Flamstead,113,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8BG,No,51.831515,-0.454377,506603,215896,TL066158,1996-06-01,1998-12-01,Markyate,133,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8BH,Yes,51.827716,-0.471224,505451,215449,TL054154,2002-06-01,,Flamstead,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8BJ,Yes,51.824268,-0.459878,506241,215082,TL062150,2017-09-01,,Flamstead,151,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8BL,Yes,51.805975,-0.456905,506489,213052,TL064130,2020-07-01,,Flamstead,152,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8BN,Yes,51.819219,-0.434369,508011,214558,TL080145,1980-01-01,,Flamstead,145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8BP,Yes,51.817868,-0.434242,508023,214408,TL080144,1980-01-01,,Flamstead,143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8BS,Yes,51.819618,-0.435980,507899,214600,TL078145,1980-01-01,,Flamstead,148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8BT,Yes,51.819849,-0.436437,507867,214625,TL078146,1980-01-01,,Flamstead,148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8BU,Yes,51.820243,-0.436974,507829,214668,TL078146,1980-01-01,,Flamstead,146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8BW,Yes,51.818849,-0.433642,508062,214518,TL080145,1980-01-01,,Flamstead,143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8BX,Yes,51.819899,-0.435463,507934,214632,TL079146,1980-01-01,,Flamstead,147,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8BY,Yes,51.820786,-0.435258,507946,214731,TL079147,1980-01-01,,Flamstead,142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8BZ,No,51.822323,-0.435843,507902,214901,TL079149,1980-01-01,1991-12-01,Flamstead,130,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DA,Yes,51.820399,-0.435199,507951,214688,TL079146,1980-01-01,,Flamstead,143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DB,Yes,51.819753,-0.438065,507755,214612,TL077146,1980-01-01,,Flamstead,148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DD,Yes,51.819992,-0.437723,507778,214639,TL077146,1980-01-01,,Flamstead,148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DE,Yes,51.819526,-0.439915,507628,214584,TL076145,1980-01-01,,Flamstead,149,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DF,Yes,51.819094,-0.443906,507354,214530,TL073145,1980-01-01,,Flamstead,150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DG,Yes,51.821456,-0.438964,507689,214800,TL076147,1980-01-01,,Flamstead,143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DH,Yes,51.818543,-0.436308,507879,214480,TL078144,1980-01-01,,Flamstead,147,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DJ,Yes,51.817701,-0.435887,507910,214387,TL079143,1980-01-01,,Flamstead,144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DL,Yes,51.815875,-0.437140,507828,214182,TL078141,1980-01-01,,Flamstead,136,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8DN,Yes,51.813961,-0.439324,507682,213966,TL076139,1980-01-01,,Flamstead,124,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DP,Yes,51.813986,-0.441819,507510,213965,TL075139,1980-01-01,,Flamstead,121,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DQ,Yes,51.821302,-0.439578,507647,214782,TL076147,1980-01-01,,Flamstead,145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DR,Yes,51.813643,-0.440423,507607,213929,TL076139,1980-01-01,,Flamstead,121,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DS,Yes,51.814046,-0.440308,507614,213974,TL076139,1980-01-01,,Flamstead,122,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DU,Yes,51.814440,-0.442209,507482,214015,TL074140,1980-01-01,,Flamstead,122,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DW,Yes,51.813180,-0.439424,507677,213879,TL076138,1980-01-01,,Flamstead,120,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DX,Yes,51.815114,-0.442157,507484,214090,TL074140,1980-01-01,,Flamstead,124,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DY,Yes,51.814495,-0.441555,507527,214022,TL075140,1980-01-01,,Flamstead,122,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8DZ,Yes,51.814276,-0.439981,507636,214000,TL076139,1980-01-01,,Flamstead,123,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EA,Yes,51.815594,-0.437701,507790,214150,TL077141,1980-01-01,,Flamstead,135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8EB,Yes,51.817150,-0.439054,507693,214321,TL076143,1980-01-01,,Flamstead,142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8ED,Yes,51.817405,-0.438625,507722,214350,TL077143,1980-01-01,,Flamstead,143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EE,Yes,51.818177,-0.437191,507819,214438,TL078144,1980-01-01,,Flamstead,145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EF,Yes,51.817916,-0.437867,507773,214408,TL077144,1980-01-01,,Flamstead,145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EG,Yes,51.814616,-0.436458,507878,214043,TL078140,2000-06-01,,Flamstead,128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8EJ,No,51.831506,-0.454377,506603,215895,TL066158,1997-12-01,1998-06-01,Markyate,133,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8EL,Yes,51.819162,-0.438216,507746,214546,TL077145,2021-08-01,,Flamstead,146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EN,Yes,51.820006,-0.434777,507981,214645,TL079146,1980-01-01,,Flamstead,145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EP,Yes,51.819746,-0.432116,508165,214620,TL081146,1980-01-01,,Flamstead,141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EQ,No,51.831515,-0.454377,506603,215896,TL066158,1994-05-01,1998-12-01,Markyate,133,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8ER,Yes,51.818530,-0.429286,508363,214489,TL083144,1980-01-01,,Flamstead,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8ES,Yes,51.813469,-0.424007,508739,213934,TL087139,1980-01-01,,Flamstead,135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8ET,Yes,51.822030,-0.428032,508441,214880,TL084148,1980-01-01,,Flamstead,123,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EU,Yes,51.820773,-0.428221,508431,214740,TL084147,1980-01-01,,Flamstead,130,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EW,Yes,51.820052,-0.430089,508304,214657,TL083146,1980-01-01,,Flamstead,138,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EX,Yes,51.822092,-0.419295,509043,214900,TL090148,1996-06-01,,Flamstead,112,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8EZ,No,51.821210,-0.419921,509002,214801,TL090148,1980-01-01,1997-06-01,Flamstead,110,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8FA,Yes,51.820829,-0.437796,507771,214732,TL077147,2023-06-01,,Flamstead,144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8FG,Yes,51.836356,-0.458754,506290,216428,TL062164,2014-11-01,,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8FH,Yes,51.835350,-0.458179,506332,216317,TL063163,2014-04-01,,Markyate,125,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8FL,Yes,51.836208,-0.458425,506313,216412,TL063164,2015-06-01,,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8HA,Yes,51.827814,-0.420836,508923,215534,TL089155,1980-01-01,,Flamstead,134,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HB,Yes,51.822044,-0.423737,508737,214888,TL087148,1980-01-01,,Flamstead,113,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HD,Yes,51.822906,-0.425637,508604,214981,TL086149,1980-01-01,,Flamstead,111,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HE,No,51.827869,-0.447260,507102,215501,TL071155,1980-01-01,1997-06-01,Markyate,123,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8HG,Yes,51.824201,-0.430394,508273,215118,TL082151,1980-01-01,,Flamstead,116,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HH,Yes,51.829026,-0.444289,507304,215634,TL073156,1994-12-01,,Flamstead,124,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HJ,Yes,51.825237,-0.433246,508074,215229,TL080152,1980-01-01,,Flamstead,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HL,Yes,51.827816,-0.440500,507568,215505,TL075155,1980-01-01,,Flamstead,128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HN,Yes,51.825837,-0.433066,508085,215296,TL080152,1980-01-01,,Flamstead,131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HQ,Yes,51.826988,-0.441123,507527,215412,TL075154,1980-01-01,,Flamstead,119,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HR,Yes,51.837069,-0.463128,505987,216501,TL059165,1986-07-01,,Markyate,133,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8HS,Yes,51.823797,-0.428377,508413,215076,TL084150,1985-04-01,,Flamstead,114,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HT,Yes,51.821660,-0.423242,508772,214846,TL087148,1999-06-01,,Flamstead,113,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HU,Yes,51.836540,-0.466673,505744,216437,TL057164,1983-07-01,,Markyate,135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8HW,Yes,51.827344,-0.432767,508102,215464,TL081154,1980-01-01,,Flamstead,137,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8HX,Yes,51.836218,-0.466074,505786,216402,TL057164,1983-07-01,,Markyate,133,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8HY,Yes,51.836462,-0.462060,506062,216435,TL060164,1980-01-01,,Markyate,130,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8HZ,Yes,51.836450,-0.461117,506127,216435,TL061164,1980-01-01,,Markyate,127,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8JA,No,51.835846,-0.461732,506086,216367,TL060163,1980-01-01,2003-03-01,Markyate,128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8JB,Yes,51.835971,-0.465807,505805,216375,TL058163,1980-01-01,,Markyate,132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8JD,Yes,51.836610,-0.471373,505420,216438,TL054164,1980-01-01,,Markyate,134,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8JE,Yes,51.835585,-0.465834,505804,216332,TL058163,1980-01-01,,Markyate,131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8JF,Yes,51.835516,-0.462614,506026,216329,TL060163,1980-01-01,,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8JG,Yes,51.836254,-0.460615,506162,216414,TL061164,1980-01-01,,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8JH,Yes,51.835581,-0.457300,506392,216344,TL063163,1992-08-01,,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JJ,Yes,51.834516,-0.457656,506370,216225,TL063162,1980-01-01,,Markyate,127,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JL,Yes,51.834191,-0.456898,506423,216190,TL064161,1980-01-01,,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JN,Yes,51.834630,-0.456055,506480,216240,TL064162,1980-01-01,,Markyate,124,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JP,Yes,51.833043,-0.454383,506599,216066,TL065160,1980-01-01,,Markyate,125,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JQ,Yes,51.835774,-0.461691,506089,216359,TL060163,2004-09-01,,Markyate,128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8JR,Yes,51.832266,-0.452726,506715,215982,TL067159,1980-01-01,,Markyate,124,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JS,Yes,51.831929,-0.454435,506598,215942,TL065159,1980-01-01,,Markyate,131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JT,Yes,51.833564,-0.456382,506460,216121,TL064161,1980-01-01,,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JU,Yes,51.834295,-0.457968,506349,216200,TL063161,1980-01-01,,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JW,Yes,51.833717,-0.454998,506555,216140,TL065161,1980-01-01,,Markyate,124,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8JX,Yes,51.834290,-0.458955,506281,216198,TL062161,1980-01-01,,Markyate,133,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8JY,Yes,51.834239,-0.458493,506313,216193,TL063161,1980-01-01,,Markyate,131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8JZ,Yes,51.834718,-0.458665,506300,216246,TL062162,1980-01-01,,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8LA,Yes,51.834996,-0.459309,506255,216276,TL062162,1980-01-01,,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8LB,Yes,51.835148,-0.459927,506212,216292,TL062162,1980-01-01,,Markyate,128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8LD,Yes,51.834933,-0.459935,506212,216268,TL062162,1980-01-01,,Markyate,130,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8LE,Yes,51.835315,-0.459646,506231,216311,TL062163,1980-01-01,,Markyate,127,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8LF,Yes,51.835802,-0.460442,506175,216364,TL061163,1980-01-01,,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8LG,Yes,51.835906,-0.459452,506243,216377,TL062163,1980-01-01,,Markyate,125,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8LH,No,51.835863,-0.458190,506330,216374,TL063163,2000-06-01,2013-10-01,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8LJ,Yes,51.836455,-0.458765,506289,216439,TL062164,1980-01-01,,Markyate,127,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8LL,Yes,51.837315,-0.458533,506303,216535,TL063165,1980-01-01,,Markyate,133,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8LN,Yes,51.836322,-0.456143,506470,216428,TL064164,1980-01-01,,Markyate,134,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8LP,Yes,51.836568,-0.446221,507153,216470,TL071164,1980-01-01,,Markyate,150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8LQ,No,51.836179,-0.458325,506320,216409,TL063164,2000-12-01,2005-03-01,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8LR,Yes,51.833652,-0.449354,506944,216141,TL069161,1980-01-01,,Markyate,144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8LS,Yes,51.833055,-0.444339,507291,216082,TL072160,1980-01-01,,Flamstead,148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8LT,Yes,51.830302,-0.446277,507164,215773,TL071157,1980-01-01,,Flamstead,123,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8LU,No,51.835721,-0.457644,506368,216359,TL063163,2000-06-01,2005-03-01,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8LW,Yes,51.838750,-0.450732,506837,216706,TL068167,1980-01-01,,Markyate,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8LY,Yes,51.837123,-0.460325,506180,216511,TL061165,1980-01-01,,Markyate,127,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8LZ,Yes,51.833056,-0.455355,506532,216066,TL065160,1980-01-01,,Markyate,128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NA,Yes,51.832987,-0.456286,506468,216057,TL064160,1980-01-01,,Markyate,133,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NB,Yes,51.833477,-0.457924,506354,216109,TL063161,1980-01-01,,Markyate,135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8ND,Yes,51.833125,-0.457834,506361,216070,TL063160,1980-01-01,,Markyate,138,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NE,Yes,51.832539,-0.456345,506465,216007,TL064160,1980-01-01,,Markyate,137,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NF,Yes,51.833473,-0.456951,506421,216110,TL064161,1980-01-01,,Markyate,132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NG,Yes,51.833991,-0.457383,506390,216167,TL063161,1980-01-01,,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NH,Yes,51.832910,-0.455200,506543,216050,TL065160,1983-01-01,,Markyate,128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NJ,No,51.837984,-0.464330,505902,216601,TL059166,1984-02-01,1990-12-01,Markyate,138,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8NL,Yes,51.830380,-0.449496,506942,215777,TL069157,1990-02-01,,Markyate,122,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NN,No,51.828268,-0.477721,505002,215501,TL050155,1987-04-01,1990-12-01,Flamstead,161,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8NP,Yes,51.835262,-0.459706,506227,216305,TL062163,2002-06-01,,Markyate,128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8NQ,Yes,51.833569,-0.458791,506294,216118,TL062161,1980-01-01,,Markyate,136,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NR,No,51.835068,-0.457245,506397,216287,TL063162,1988-03-01,2000-09-01,Markyate,125,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8NS,No,51.835463,-0.459206,506261,216328,TL062163,1995-07-01,2000-10-01,Markyate,126,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8NT,Yes,51.835893,-0.461150,506126,216373,TL061163,1991-01-01,,Markyate,128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8NW,Yes,51.819666,-0.486339,504428,214532,TL044145,1988-03-01,,Flamstead,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
AL3 8NX,Yes,51.835260,-0.458821,506288,216306,TL062163,1992-01-01,,Markyate,127,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8NY,Yes,51.834901,-0.458223,506330,216267,TL063162,1992-08-01,,Markyate,126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8NZ,Yes,51.835012,-0.458452,506314,216279,TL063162,1992-01-01,,Markyate,127,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PA,Yes,51.836934,-0.461695,506086,216488,TL060164,1980-01-01,,Markyate,130,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PB,Yes,51.837581,-0.462399,506036,216559,TL060165,1980-01-01,,Markyate,132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PD,Yes,51.839014,-0.463976,505924,216716,TL059167,1980-01-01,,Markyate,136,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8PE,Yes,51.839235,-0.465071,505848,216739,TL058167,1980-01-01,,Markyate,141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PF,Yes,51.839465,-0.464120,505913,216766,TL059167,1980-01-01,,Markyate,136,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8PG,Yes,51.838407,-0.462937,505997,216650,TL059166,1980-01-01,,Markyate,132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8PH,Yes,51.838261,-0.462782,506008,216634,TL060166,1980-01-01,,Markyate,132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8PJ,Yes,51.837139,-0.461572,506094,216511,TL060165,1980-01-01,,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8PL,Yes,51.838194,-0.461827,506074,216628,TL060166,2005-05-01,,Markyate,131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8PN,Yes,51.836732,-0.462747,506014,216464,TL060164,1980-01-01,,Markyate,131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PP,Yes,51.836622,-0.465334,505836,216448,TL058164,1980-01-01,,Markyate,135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PQ,Yes,51.838640,-0.462914,505998,216676,TL059166,1980-01-01,,Markyate,132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8PR,Yes,51.836880,-0.465848,505800,216476,TL057164,1980-01-01,,Markyate,137,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PS,Yes,51.837528,-0.465855,505798,216548,TL057165,1980-01-01,,Markyate,141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PT,Yes,51.837898,-0.465262,505838,216590,TL058165,1980-01-01,,Markyate,141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PU,Yes,51.838669,-0.465149,505844,216676,TL058166,1980-01-01,,Markyate,142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PW,Yes,51.837569,-0.463502,505960,216556,TL059165,1980-01-01,,Markyate,134,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PX,Yes,51.838013,-0.463763,505941,216605,TL059166,1980-01-01,,Markyate,135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8PY,Yes,51.839958,-0.463290,505969,216822,TL059168,1980-01-01,,Markyate,133,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8PZ,Yes,51.841014,-0.457448,506369,216948,TL063169,1980-01-01,,Markyate,157,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QA,Yes,51.843435,-0.455551,506494,217220,TL064172,1980-01-01,,Markyate,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QB,Yes,51.843976,-0.449493,506910,217289,TL069172,1980-01-01,,Markyate,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QD,Yes,51.845350,-0.452741,506683,217437,TL066174,1980-01-01,,Markyate,169,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QF,Yes,51.845440,-0.455526,506491,217443,TL064174,1980-01-01,,Markyate,167,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QG,Yes,51.850091,-0.460492,506138,217953,TL061179,1980-01-01,,Markyate,165,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QH,Yes,51.843837,-0.464262,505893,217252,TL058172,1980-01-01,,Markyate,147,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QJ,Yes,51.847202,-0.472712,505303,217614,TL053176,1980-01-01,,Markyate,140,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QL,Yes,51.840985,-0.467596,505670,216930,TL056169,1980-01-01,,Markyate,149,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QN,No,51.831515,-0.454377,506603,215896,TL066158,1992-08-01,1999-12-01,Markyate,133,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8QQ,Yes,51.846293,-0.465005,505836,217524,TL058175,1980-01-01,,Markyate,144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QR,No,51.840738,-0.468591,505602,216901,TL056169,1994-05-01,1995-12-01,Markyate,152,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QS,No,51.831515,-0.454377,506603,215896,TL066158,1994-05-01,2000-06-01,Markyate,133,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8QT,No,51.840738,-0.468591,505602,216901,TL056169,1994-12-01,1995-01-01,Markyate,152,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8QU,Yes,51.840106,-0.465695,505803,216835,TL058168,2014-11-01,,Markyate,142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8QW,No,51.840738,-0.468591,505602,216901,TL056169,1993-01-01,1994-12-01,Markyate,152,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023430,Dacorum 001A,E01023430,Dacorum 001A
AL3 8RA,Yes,51.835982,-0.462483,506034,216381,TL060163,1980-01-01,,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RB,Yes,51.834718,-0.464819,505876,216237,TL058162,1980-01-01,,Markyate,135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RD,Yes,51.835080,-0.465735,505812,216276,TL058162,1980-01-01,,Markyate,133,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RE,Yes,51.834785,-0.467226,505710,216241,TL057162,1980-01-01,,Markyate,139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RF,Yes,51.833894,-0.466487,505763,216143,TL057161,1980-01-01,,Markyate,148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8RG,Yes,51.834104,-0.467379,505701,216165,TL057161,1980-01-01,,Markyate,148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RH,Yes,51.832769,-0.466351,505775,216018,TL057160,1980-01-01,,Markyate,157,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RJ,Yes,51.832530,-0.468028,505660,215989,TL056159,1980-01-01,,Markyate,162,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8RL,Yes,51.831939,-0.468919,505600,215922,TL055159,1980-01-01,,Markyate,164,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8RN,Yes,51.831345,-0.468242,505648,215857,TL056158,1980-01-01,,Markyate,165,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8RP,Yes,51.834317,-0.465152,505854,216192,TL058161,1980-01-01,,Markyate,141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8RQ,Yes,51.833333,-0.466854,505739,216080,TL057160,1980-01-01,,Markyate,154,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RR,Yes,51.834621,-0.462892,506009,216229,TL060162,1980-01-01,,Markyate,135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RS,Yes,51.834745,-0.461393,506112,216245,TL061162,1980-01-01,,Markyate,132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8RT,Yes,51.835222,-0.462842,506011,216296,TL060162,1980-01-01,,Markyate,131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RU,Yes,51.835283,-0.461287,506118,216305,TL061163,1980-01-01,,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RW,Yes,51.833459,-0.464847,505877,216097,TL058160,1980-01-01,,Markyate,150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8RX,Yes,51.834118,-0.462314,506050,216174,TL060161,2005-03-01,,Markyate,139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8RY,Yes,51.836931,-0.463539,505959,216485,TL059164,1980-01-01,,Markyate,134,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8RZ,Yes,51.834581,-0.463314,505980,216224,TL059162,1992-08-01,,Markyate,135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8SN,No,51.831515,-0.454377,506603,215896,TL066158,1996-06-01,2000-06-01,Markyate,133,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8UE,No,51.835561,-0.461931,506073,216335,TL060163,2001-12-01,2005-09-01,Markyate,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8ZF,No,51.831515,-0.454377,506603,215896,TL066158,1999-06-01,2000-06-01,Markyate,133,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023432,Dacorum 001C,E01023432,Dacorum 001C
AL3 8ZT,No,51.834628,-0.463472,505969,216229,TL059162,2000-12-01,2001-07-01,Markyate,135,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023433,Dacorum 001D,E01023433,Dacorum 001D
AL3 8ZY,No,51.834628,-0.463472,505969,216229,TL059162,2000-12-01,2001-07-01,Markyate,135,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023433,Dacorum 001D,E01023433,Dacorum 001D
HP1 3BA,Yes,51.774288,-0.483888,504702,209489,TL047094,1980-01-01,,Great Gaddesden,97,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BB,Yes,51.775863,-0.489532,504309,209656,TL043096,1980-01-01,,Great Gaddesden,101,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BD,Yes,51.779115,-0.489365,504313,210018,TL043100,1980-01-01,,Great Gaddesden,103,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BF,No,51.774489,-0.491128,504202,209501,TL042095,1994-05-01,1995-12-01,Great Gaddesden,118,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BG,Yes,51.775319,-0.487854,504426,209598,TL044095,1980-01-01,,Great Gaddesden,96,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BH,Yes,51.784835,-0.499960,503569,210639,TL035106,1980-01-01,,Great Gaddesden,106,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BJ,Yes,51.785727,-0.501496,503461,210736,TL034107,1980-01-01,,Great Gaddesden,109,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BL,Yes,51.781003,-0.494187,503976,210221,TL039102,1980-01-01,,Great Gaddesden,102,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BN,Yes,51.776071,-0.506556,503134,209655,TL031096,1980-01-01,,Great Gaddesden,129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BP,Yes,51.803104,-0.522472,501975,212639,TL019126,1980-01-01,,Great Gaddesden,120,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BS,Yes,51.791823,-0.510632,502817,211401,TL028114,1980-01-01,,Great Gaddesden,113,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BT,Yes,51.790788,-0.509144,502922,211288,TL029112,1980-01-01,,Great Gaddesden,112,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BU,Yes,51.790533,-0.508891,502940,211260,TL029112,1980-01-01,,Great Gaddesden,111,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BW,Yes,51.794291,-0.508143,502983,211679,TL029116,1980-01-01,,Great Gaddesden,110,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BX,No,51.789129,-0.510938,502802,211101,TL028111,1990-02-01,1994-05-01,Great Gaddesden,129,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BY,Yes,51.790155,-0.509599,502892,211217,TL028112,1980-01-01,,Great Gaddesden,118,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3BZ,Yes,51.791460,-0.519677,502194,211348,TL021113,1980-01-01,,Great Gaddesden,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP1 3DF,Yes,51.782211,-0.498670,503664,210349,TL036103,1980-01-01,,Great Gaddesden,105,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6AG,Yes,51.812905,-0.492702,504005,213771,TL040137,2016-07-01,,Great Gaddesden,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6BN,Yes,51.811044,-0.494853,503861,213561,TL038135,2010-04-01,,Great Gaddesden,168,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6EX,Yes,51.788709,-0.495597,503861,211076,TL038110,1980-01-01,,Great Gaddesden,159,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6EY,Yes,51.788927,-0.488065,504380,211111,TL043111,1980-01-01,,Great Gaddesden,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6EZ,Yes,51.794296,-0.491641,504121,211703,TL041117,1980-01-01,,Great Gaddesden,173,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6FA,Yes,51.812844,-0.490775,504138,213767,TL041137,2018-01-01,,Great Gaddesden,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6FB,Yes,51.813343,-0.490410,504162,213823,TL041138,2020-12-01,,Great Gaddesden,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6FD,Yes,51.805059,-0.507120,503029,212878,TL030128,2023-02-01,,Great Gaddesden,156,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HA,Yes,51.795972,-0.494732,503904,211885,TL039118,1980-01-01,,Great Gaddesden,176,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HB,Yes,51.797048,-0.497973,503678,212000,TL036119,1980-01-01,,Great Gaddesden,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HD,Yes,51.804008,-0.498017,503659,212774,TL036127,1980-01-01,,Great Gaddesden,170,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HE,No,51.803362,-0.498866,503602,212701,TL036127,1980-01-01,1997-06-01,Great Gaddesden,170,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HF,Yes,51.803878,-0.492119,504066,212768,TL040127,1980-01-01,,Great Gaddesden,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HG,Yes,51.805909,-0.478750,504983,213013,TL049130,1980-01-01,,Great Gaddesden,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HH,Yes,51.799589,-0.468464,505707,212325,TL057123,1980-01-01,,Great Gaddesden,156,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HJ,Yes,51.796952,-0.462752,506107,212040,TL061120,1980-01-01,,Great Gaddesden,154,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HL,Yes,51.799079,-0.466567,505839,212271,TL058122,1980-01-01,,Great Gaddesden,157,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HN,Yes,51.794966,-0.453278,506765,211833,TL067118,1980-01-01,,Great Gaddesden,147,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HP,Yes,51.812435,-0.491862,504064,213720,TL040137,1980-01-01,,Great Gaddesden,165,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HQ,Yes,51.803505,-0.462616,506101,212769,TL061127,1980-01-01,,Great Gaddesden,152,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HR,Yes,51.812092,-0.492439,504025,213681,TL040136,1980-01-01,,Great Gaddesden,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HT,Yes,51.815037,-0.496287,503753,214003,TL037140,1999-12-01,,Great Gaddesden,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HU,Yes,51.813172,-0.491765,504069,213802,TL040138,1980-01-01,,Great Gaddesden,164,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HW,Yes,51.810939,-0.489475,504232,213557,TL042135,1980-01-01,,Great Gaddesden,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HX,Yes,51.813520,-0.495090,503839,213836,TL038138,1980-01-01,,Great Gaddesden,163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HY,Yes,51.812088,-0.493542,503949,213679,TL039136,1980-01-01,,Great Gaddesden,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6HZ,Yes,51.811150,-0.494008,503919,213574,TL039135,1980-01-01,,Great Gaddesden,167,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6JA,Yes,51.811307,-0.494351,503895,213591,TL038135,1980-01-01,,Great Gaddesden,167,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6JB,Yes,51.809346,-0.502699,503324,213361,TL033133,1980-01-01,,Great Gaddesden,170,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6JD,Yes,51.812648,-0.493726,503935,213741,TL039137,1990-07-01,,Great Gaddesden,166,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6JJ,Yes,51.775711,-0.474998,505312,209660,TL053096,1980-01-01,,Great Gaddesden,119,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6JL,No,51.780386,-0.460489,506302,210201,TL063102,1994-12-01,1995-07-01,Great Gaddesden,142,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6JN,Yes,51.780994,-0.460193,506321,210269,TL063102,1980-01-01,,Great Gaddesden,144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6JS,No,51.785722,-0.455958,506602,210801,TL066108,1995-01-01,1996-06-01,Great Gaddesden,135,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6JT,No,51.785722,-0.455958,506602,210801,TL066108,1995-12-01,1996-12-01,Great Gaddesden,135,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023431,Dacorum 001B,E01023431,Dacorum 001B
HP2 6JW,Yes,51.785136,-0.453832,506750,210739,TL067107,1980-01-01,,Great Gaddesden,132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023431,Dacorum 001B,E01023431,Dacorum 001B
LU1 4DB,Yes,51.847515,-0.437641,507718,217700,TL077176,1980-01-01,,Markyate,143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
LU1 4LH,Yes,51.843188,-0.424755,508616,217238,TL086172,1980-01-01,,Flamstead,158,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
LU1 4LQ,Yes,51.838560,-0.435062,507917,216708,TL079167,1980-01-01,,Flamstead,148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A
LU6 3QT,Yes,51.850513,-0.477014,504999,217976,TL049179,1980-01-01,,Markyate,140,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023430,Dacorum 001A,E01023430,Dacorum 001A