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 CM20 2FG,Yes,51.785351,0.095371,544629,211709,TL446117,2009-03-01,,Eastwick,45,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2FN,Yes,51.784887,0.097191,544756,211661,TL447116,2016-03-01,,Gilston,49,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2FP,Yes,51.785655,0.097502,544775,211747,TL447117,2015-04-01,,Gilston,49,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2FR,Yes,51.786333,0.098331,544830,211824,TL448118,2015-05-01,,Gilston,47,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2FT,Yes,51.785390,0.098215,544825,211719,TL448117,2016-05-01,,Gilston,48,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2FU,Yes,51.785181,0.097335,544765,211694,TL447116,2016-05-01,,Gilston,47,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2FW,Yes,51.784196,0.097101,544752,211584,TL447115,2016-06-01,,Gilston,46,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2FX,Yes,51.784482,0.098231,544829,211618,TL448116,2017-04-01,,Gilston,47,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2FY,Yes,51.785185,0.099133,544889,211698,TL448116,2016-10-01,,Gilston,47,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2FZ,Yes,51.785563,0.100137,544957,211742,TL449117,2014-09-01,,Gilston,46,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2GN,Yes,51.797236,0.090498,544255,213021,TL442130,2003-02-01,,Gilston,56,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2QP,Yes,51.785519,0.078807,543486,211695,TL434116,1988-03-01,,Eastwick,40,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2QR,No,51.785086,0.097650,544787,211684,TL447116,2007-01-01,2007-01-01,Gilston,48,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2QS,Yes,51.783521,0.095606,544651,211506,TL446115,1980-01-01,,Gilston,39,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2QT,Yes,51.785490,0.088056,544124,211710,TL441117,1980-01-01,,Eastwick,41,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2QU,Yes,51.786387,0.080615,543608,211795,TL436117,1980-01-01,,Eastwick,43,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2QX,Yes,51.785709,0.079801,543554,211718,TL435117,1980-01-01,,Eastwick,40,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2QY,Yes,51.785665,0.078190,543443,211710,TL434117,1980-01-01,,Eastwick,41,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2QZ,Yes,51.786349,0.078671,543474,211787,TL434117,1980-01-01,,Eastwick,42,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RA,Yes,51.798474,0.070845,542896,213120,TL428131,1980-01-01,,Eastwick,61,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RB,Yes,51.788950,0.100294,544957,212119,TL449121,1980-01-01,,Gilston,49,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RD,Yes,51.791080,0.100872,544990,212357,TL449123,1980-01-01,,Eastwick,49,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RE,Yes,51.791238,0.101096,545005,212375,TL450123,1980-01-01,,Eastwick,49,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RF,Yes,51.794779,0.094677,544551,212756,TL445127,1980-01-01,,Gilston,52,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RG,Yes,51.797545,0.088815,544138,213052,TL441130,1980-01-01,,Gilston,59,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RH,Yes,51.801322,0.088279,544089,213471,TL440134,1980-01-01,,Gilston,59,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RJ,Yes,51.801576,0.085622,543905,213494,TL439134,1980-01-01,,Gilston,68,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RL,Yes,51.799892,0.094856,544547,213325,TL445133,1980-01-01,,Gilston,65,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RQ,No,51.797096,0.088272,544102,213001,TL441130,1980-01-01,1994-12-01,Gilston,61,England,2025-09-16,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2RW,Yes,51.785471,0.080515,543604,211693,TL436116,2006-07-01,,Eastwick,39,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B CM20 2SF,Yes,51.796294,0.088351,544110,212912,TL441129,2000-06-01,,Gilston,60,England,2025-09-16,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8AN,Yes,51.801133,0.052590,541629,213380,TL416133,2007-05-01,,Hunsdon,67,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8FF,Yes,51.805632,0.051881,541566,213879,TL415138,2018-12-01,,Hunsdon,72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8FG,Yes,51.805388,0.050927,541501,213850,TL415138,2019-04-01,,Hunsdon,72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8FJ,Yes,51.807973,0.058442,542011,214152,TL420141,2019-12-01,,Hunsdon,73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8FL,Yes,51.807444,0.057272,541932,214091,TL419140,2019-07-01,,Hunsdon,84,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8LB,Yes,51.784327,0.045796,541213,211498,TL412114,2002-10-01,,Hunsdon,45,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8LE,Yes,51.784763,0.062011,542330,211578,TL423115,1980-01-01,,Eastwick,41,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8LF,Yes,51.783024,0.058133,542068,211377,TL420113,1980-01-01,,Hunsdon,38,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8LG,Yes,51.786833,0.058829,542104,211802,TL421118,1980-01-01,,Hunsdon,56,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8NH,Yes,51.807391,0.053658,541683,214078,TL416140,1980-01-01,,Hunsdon,71,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8NJ,Yes,51.808221,0.055030,541775,214173,TL417141,1980-01-01,,Hunsdon,72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8NL,Yes,51.809883,0.055120,541776,214358,TL417143,1980-01-01,,Hunsdon,75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8NN,Yes,51.812586,0.054329,541713,214657,TL417146,1980-01-01,,Hunsdon,78,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8NP,Yes,51.810308,0.055009,541767,214405,TL417144,1994-05-01,,Hunsdon,75,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8NQ,Yes,51.811143,0.055584,541804,214499,TL418144,1995-07-01,,Hunsdon,77,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8NR,Yes,51.809823,0.057032,541908,214355,TL419143,1980-01-01,,Hunsdon,74,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8NS,Yes,51.810881,0.057182,541915,214473,TL419144,1980-01-01,,Hunsdon,76,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8NT,Yes,51.808469,0.055738,541823,214202,TL418142,1980-01-01,,Hunsdon,73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8NU,Yes,51.808283,0.057136,541920,214184,TL419141,1980-01-01,,Hunsdon,73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8NW,Yes,51.811726,0.055132,541771,214563,TL417145,1980-01-01,,Hunsdon,77,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8NY,No,51.806694,0.053902,541702,214001,TL417140,1995-07-01,1996-06-01,Hunsdon,73,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8NZ,Yes,51.807674,0.055484,541808,214113,TL418141,1980-01-01,,Hunsdon,72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8PA,Yes,51.807138,0.054734,541758,214052,TL417140,1980-01-01,,Hunsdon,72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PB,Yes,51.806506,0.055939,541843,213984,TL418139,1980-01-01,,Hunsdon,74,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PD,Yes,51.806496,0.056475,541880,213984,TL418139,1980-01-01,,Hunsdon,74,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PE,Yes,51.801955,0.053919,541718,213474,TL417134,1980-01-01,,Hunsdon,70,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PF,No,51.802314,0.054442,541753,213515,TL417135,1999-06-01,2019-05-01,Hunsdon,71,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PG,Yes,51.800958,0.053293,541678,213362,TL416133,1980-01-01,,Hunsdon,68,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PH,Yes,51.805650,0.056552,541888,213890,TL418138,2012-12-01,,Hunsdon,76,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PL,Yes,51.799797,0.053385,541688,213233,TL416132,1980-01-01,,Hunsdon,69,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PN,Yes,51.800420,0.052688,541638,213301,TL416133,1980-01-01,,Hunsdon,67,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PP,Yes,51.797962,0.054419,541765,213031,TL417130,1980-01-01,,Hunsdon,72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PQ,No,51.801328,0.052208,541602,213401,TL416134,1980-01-01,2000-06-01,Hunsdon,67,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PR,No,51.796911,0.047656,541302,212901,TL413129,1985-04-01,1986-12-01,Hunsdon,67,England,2025-09-17,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PT,Yes,51.794031,0.040043,540786,212566,TL407125,1980-01-01,,Hunsdon,63,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PW,Yes,51.798689,0.049854,541448,213103,TL414131,1980-01-01,,Hunsdon,70,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8PZ,Yes,51.801798,0.048994,541379,213447,TL413134,1980-01-01,,Hunsdon,67,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8QA,Yes,51.807333,0.043574,540988,214052,TL409140,1980-01-01,,Hunsdon,66,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8QB,Yes,51.803449,0.052304,541602,213637,TL416136,1980-01-01,,Hunsdon,72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8QD,Yes,51.806354,0.050695,541482,213957,TL414139,1980-01-01,,Hunsdon,72,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8QE,Yes,51.807307,0.049708,541411,214061,TL414140,1980-01-01,,Hunsdon,70,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8QF,Yes,51.807364,0.051597,541541,214071,TL415140,1980-01-01,,Hunsdon,71,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8QG,Yes,51.805783,0.053048,541646,213898,TL416138,1980-01-01,,Hunsdon,74,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8QH,Yes,51.806424,0.052889,541633,213969,TL416139,1980-01-01,,Hunsdon,73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8QJ,Yes,51.806216,0.051951,541569,213944,TL415139,1980-01-01,,Hunsdon,73,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8QL,Yes,51.807080,0.049829,541420,214036,TL414140,2001-12-01,,Hunsdon,70,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8QP,Yes,51.807821,0.042870,540938,214105,TL409141,2001-12-01,,Hunsdon,67,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023491,East Hertfordshire 009A,E01023491,East Hertfordshire 009A SG12 8QQ,Yes,51.806273,0.053796,541696,213954,TL416139,1980-01-01,,Hunsdon,74,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B SG12 8SB,Yes,51.815150,0.055781,541805,214945,TL418149,1980-01-01,,Hunsdon,80,England,2025-09-17,Within the building of the matched address closest to the postcode mean,E01023492,East Hertfordshire 009B,E01023492,East Hertfordshire 009B