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
HP1 2AN,Yes,51.749342,-0.497009,503853,206696,TL038066,1980-01-01,,"Dacorum, unparished area",102,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2AP,Yes,51.749740,-0.498560,503745,206738,TL037067,1980-01-01,,"Dacorum, unparished area",108,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2AR,Yes,51.750417,-0.497350,503827,206815,TL038068,1980-01-01,,"Dacorum, unparished area",107,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2AW,Yes,51.749688,-0.498069,503779,206733,TL037067,1980-01-01,,"Dacorum, unparished area",106,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2AX,Yes,51.752734,-0.494361,504028,207077,TL040070,1980-01-01,,"Dacorum, unparished area",127,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2AY,Yes,51.752330,-0.495127,503977,207031,TL039070,1980-01-01,,"Dacorum, unparished area",124,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2AZ,Yes,51.752418,-0.496370,503891,207039,TL038070,1980-01-01,,"Dacorum, unparished area",125,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2BA,Yes,51.753297,-0.496153,503903,207137,TL039071,1980-01-01,,"Dacorum, unparished area",131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2BB,Yes,51.753603,-0.497606,503802,207169,TL038071,1980-01-01,,"Dacorum, unparished area",130,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2BD,Yes,51.754261,-0.497686,503795,207242,TL037072,1980-01-01,,"Dacorum, unparished area",133,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2BG,Yes,51.750997,-0.496316,503897,206881,TL038068,1980-01-01,,"Dacorum, unparished area",110,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2BH,Yes,51.755283,-0.496058,503905,207358,TL039073,1980-01-01,,"Dacorum, unparished area",140,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2BJ,Yes,51.755468,-0.495806,503922,207379,TL039073,1980-01-01,,"Dacorum, unparished area",140,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2BL,Yes,51.744721,-0.500566,503618,206177,TL036061,1980-01-01,,"Dacorum, unparished area",89,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2BP,Yes,51.747565,-0.498661,503743,206496,TL037064,1980-01-01,,"Dacorum, unparished area",99,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2BQ,Yes,51.754732,-0.496598,503869,207296,TL038072,1980-01-01,,"Dacorum, unparished area",138,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2BS,Yes,51.747241,-0.500801,503596,206457,TL035064,1980-01-01,,"Dacorum, unparished area",97,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2BT,Yes,51.747413,-0.503707,503395,206472,TL033064,1980-01-01,,"Dacorum, unparished area",98,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2BU,Yes,51.747953,-0.499474,503686,206538,TL036065,1980-01-01,,"Dacorum, unparished area",101,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2BW,Yes,51.747295,-0.497960,503792,206467,TL037064,1980-01-01,,"Dacorum, unparished area",96,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2BX,Yes,51.748508,-0.500006,503648,206599,TL036065,1980-01-01,,"Dacorum, unparished area",104,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2BY,Yes,51.749137,-0.502071,503504,206666,TL035066,1980-01-01,,"Dacorum, unparished area",111,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2BZ,Yes,51.749297,-0.502660,503463,206683,TL034066,1980-01-01,,"Dacorum, unparished area",111,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DB,Yes,51.748495,-0.503179,503429,206593,TL034065,1990-02-01,,"Dacorum, unparished area",105,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DD,Yes,51.747926,-0.503748,503391,206529,TL033065,1990-02-01,,"Dacorum, unparished area",101,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DE,Yes,51.748627,-0.502276,503492,206609,TL034066,1990-02-01,,"Dacorum, unparished area",106,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DF,Yes,51.747897,-0.502170,503500,206528,TL035065,1990-07-01,,"Dacorum, unparished area",101,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DG,Yes,51.748547,-0.503757,503389,206598,TL033065,1990-07-01,,"Dacorum, unparished area",106,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DH,Yes,51.748588,-0.505566,503264,206600,TL032065,1990-02-01,,"Dacorum, unparished area",105,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DJ,Yes,51.748186,-0.505782,503250,206555,TL032065,1990-02-01,,"Dacorum, unparished area",102,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DL,Yes,51.748630,-0.505999,503234,206604,TL032066,1990-02-01,,"Dacorum, unparished area",105,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DN,Yes,51.748372,-0.506935,503170,206574,TL031065,1990-02-01,,"Dacorum, unparished area",101,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DP,No,51.754314,-0.499727,503654,207245,TL036072,1990-02-01,1998-06-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2DQ,Yes,51.748051,-0.505062,503300,206541,TL033065,1990-02-01,,"Dacorum, unparished area",102,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DR,No,51.747728,-0.507956,503101,206501,TL031065,1991-09-01,1994-05-01,"Dacorum, unparished area",96,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DT,No,51.747728,-0.507956,503101,206501,TL031065,1994-12-01,1995-07-01,"Dacorum, unparished area",96,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DU,No,51.754314,-0.499727,503654,207245,TL036072,1998-06-01,1999-06-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2DW,No,51.747728,-0.507956,503101,206501,TL031065,1990-02-01,1994-12-01,"Dacorum, unparished area",96,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2DZ,Yes,51.760637,-0.498503,503724,207950,TL037079,2020-08-01,,"Dacorum, unparished area",106,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2EA,Yes,51.760960,-0.497710,503778,207987,TL037079,2020-09-01,,"Dacorum, unparished area",95,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2EB,Yes,51.749364,-0.497979,503786,206697,TL037066,2021-09-01,,"Dacorum, unparished area",104,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2HA,Yes,51.749716,-0.502313,503486,206730,TL034067,1980-01-01,,"Dacorum, unparished area",114,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2HB,Yes,51.749572,-0.503737,503388,206712,TL033067,1980-01-01,,"Dacorum, unparished area",113,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2HD,Yes,51.749108,-0.504767,503318,206659,TL033066,1980-01-01,,"Dacorum, unparished area",109,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2HE,Yes,51.749954,-0.506202,503217,206751,TL032067,1980-01-01,,"Dacorum, unparished area",113,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2HF,Yes,51.749146,-0.505577,503262,206662,TL032066,1980-01-01,,"Dacorum, unparished area",109,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2HG,Yes,51.749339,-0.506613,503190,206682,TL031066,1980-01-01,,"Dacorum, unparished area",108,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2HH,Yes,51.750392,-0.505304,503278,206801,TL032068,1980-01-01,,"Dacorum, unparished area",118,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2HJ,Yes,51.750354,-0.504421,503339,206798,TL033067,1980-01-01,,"Dacorum, unparished area",118,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2HL,Yes,51.749979,-0.503188,503425,206758,TL034067,1980-01-01,,"Dacorum, unparished area",116,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2HN,Yes,51.759783,-0.505573,503238,207845,TL032078,1994-12-01,,"Dacorum, unparished area",148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2HP,Yes,51.760466,-0.505536,503239,207921,TL032079,1994-12-01,,"Dacorum, unparished area",150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2HQ,Yes,51.749917,-0.504682,503322,206749,TL033067,1980-01-01,,"Dacorum, unparished area",114,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2HR,No,51.748535,-0.500686,503601,206601,TL036066,1986-04-01,1986-12-01,"Dacorum, unparished area",105,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2HS,Yes,51.748269,-0.497450,503825,206576,TL038065,1980-01-01,,"Dacorum, unparished area",100,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2HT,Yes,51.748527,-0.498629,503743,206603,TL037066,1980-01-01,,"Dacorum, unparished area",103,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2HU,Yes,51.749235,-0.499895,503654,206680,TL036066,1980-01-01,,"Dacorum, unparished area",109,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2HW,Yes,51.760955,-0.505071,503270,207976,TL032079,1994-12-01,,"Dacorum, unparished area",151,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2HX,Yes,51.749765,-0.501254,503559,206737,TL035067,1980-01-01,,"Dacorum, unparished area",115,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2HY,Yes,51.750815,-0.501798,503520,206853,TL035068,1980-01-01,,"Dacorum, unparished area",121,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2HZ,Yes,51.750647,-0.503412,503408,206832,TL034068,1980-01-01,,"Dacorum, unparished area",121,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2JA,Yes,51.750759,-0.505842,503240,206841,TL032068,1980-01-01,,"Dacorum, unparished area",119,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2JB,Yes,51.751041,-0.506861,503170,206871,TL031068,1980-01-01,,"Dacorum, unparished area",119,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2JD,Yes,51.751222,-0.504117,503359,206895,TL033068,1980-01-01,,"Dacorum, unparished area",125,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2JE,Yes,51.751572,-0.503352,503411,206935,TL034069,1980-01-01,,"Dacorum, unparished area",126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2JF,Yes,51.751881,-0.504313,503343,206968,TL033069,1980-01-01,,"Dacorum, unparished area",128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2JG,Yes,51.751588,-0.505293,503276,206934,TL032069,1980-01-01,,"Dacorum, unparished area",126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2JH,Yes,51.752813,-0.504789,503308,207071,TL033070,1980-01-01,,"Dacorum, unparished area",132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2JL,Yes,51.752892,-0.503917,503368,207081,TL033070,1980-01-01,,"Dacorum, unparished area",131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2JP,Yes,51.752309,-0.503285,503413,207017,TL034070,1980-01-01,,"Dacorum, unparished area",129,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2JQ,Yes,51.752830,-0.505411,503266,207072,TL032070,1980-01-01,,"Dacorum, unparished area",132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2JR,Yes,51.751625,-0.501858,503514,206943,TL035069,1980-01-01,,"Dacorum, unparished area",124,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2JT,Yes,51.752430,-0.501484,503537,207033,TL035070,1980-01-01,,"Dacorum, unparished area",124,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2JU,Yes,51.751261,-0.500798,503588,206904,TL035069,1980-01-01,,"Dacorum, unparished area",121,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2JW,Yes,51.752750,-0.502647,503456,207067,TL034070,1980-01-01,,"Dacorum, unparished area",128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2JX,Yes,51.751236,-0.498844,503722,206904,TL037069,1980-01-01,,"Dacorum, unparished area",113,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023384,Dacorum 016B,E01023384,Dacorum 016B
HP1 2LB,Yes,51.756098,-0.497204,503825,207447,TL038074,1980-01-01,,"Dacorum, unparished area",143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LD,Yes,51.755992,-0.495947,503912,207437,TL039074,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2LE,No,51.755670,-0.496103,503901,207401,TL039074,1980-01-01,1995-01-01,"Dacorum, unparished area",141,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2LF,Yes,51.754983,-0.497256,503823,207323,TL038073,1980-01-01,,"Dacorum, unparished area",139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LG,Yes,51.755646,-0.497727,503789,207396,TL037073,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LH,Yes,51.756104,-0.499117,503692,207445,TL036074,1980-01-01,,"Dacorum, unparished area",139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LJ,Yes,51.755560,-0.498729,503720,207385,TL037073,1980-01-01,,"Dacorum, unparished area",138,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LL,Yes,51.754873,-0.498477,503739,207309,TL037073,1980-01-01,,"Dacorum, unparished area",135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LN,Yes,51.754222,-0.499599,503664,207235,TL036072,1980-01-01,,"Dacorum, unparished area",126,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LP,Yes,51.755661,-0.499595,503660,207395,TL036073,1980-01-01,,"Dacorum, unparished area",135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LQ,Yes,51.756290,-0.498212,503755,207467,TL037074,1980-01-01,,"Dacorum, unparished area",142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LR,Yes,51.755731,-0.500187,503619,207402,TL036074,1980-01-01,,"Dacorum, unparished area",133,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LS,Yes,51.757072,-0.500939,503564,207550,TL035075,1980-01-01,,"Dacorum, unparished area",135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LT,Yes,51.757789,-0.501524,503522,207629,TL035076,1980-01-01,,"Dacorum, unparished area",137,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LU,Yes,51.757237,-0.500485,503595,207569,TL035075,1980-01-01,,"Dacorum, unparished area",137,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LW,Yes,51.755301,-0.499564,503663,207355,TL036073,1980-01-01,,"Dacorum, unparished area",134,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LX,Yes,51.758182,-0.499845,503637,207675,TL036076,1980-01-01,,"Dacorum, unparished area",143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LY,Yes,51.757632,-0.499052,503693,207615,TL036076,1980-01-01,,"Dacorum, unparished area",142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2LZ,Yes,51.756805,-0.502600,503450,207518,TL034075,1980-01-01,,"Dacorum, unparished area",136,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NA,Yes,51.757817,-0.503015,503420,207630,TL034076,1980-01-01,,"Dacorum, unparished area",138,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NB,Yes,51.757317,-0.503278,503403,207574,TL034075,1980-01-01,,"Dacorum, unparished area",138,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2ND,Yes,51.757357,-0.504262,503335,207577,TL033075,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NE,Yes,51.756722,-0.505297,503265,207505,TL032075,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NF,Yes,51.756665,-0.504285,503334,207500,TL033074,1980-01-01,,"Dacorum, unparished area",139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NG,Yes,51.756515,-0.503131,503414,207485,TL034074,1980-01-01,,"Dacorum, unparished area",136,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NH,Yes,51.755905,-0.504643,503312,207415,TL033074,1980-01-01,,"Dacorum, unparished area",137,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NJ,Yes,51.758172,-0.501931,503494,207671,TL034076,1990-07-01,,"Dacorum, unparished area",138,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NL,No,51.758477,-0.504703,503302,207701,TL033077,1994-12-01,1995-07-01,"Dacorum, unparished area",145,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2NP,Yes,51.756641,-0.493984,504046,207512,TL040075,1980-01-01,,"Dacorum, unparished area",140,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2NQ,Yes,51.755990,-0.503583,503384,207426,TL033074,1980-01-01,,"Dacorum, unparished area",136,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NR,Yes,51.756827,-0.495152,503964,207531,TL039075,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2NS,Yes,51.757033,-0.496521,503870,207552,TL038075,1980-01-01,,"Dacorum, unparished area",144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2NT,Yes,51.756513,-0.499422,503670,207490,TL036074,1980-01-01,,"Dacorum, unparished area",139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NU,Yes,51.756604,-0.498854,503709,207501,TL037075,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NX,Yes,51.755814,-0.503169,503413,207407,TL034074,1980-01-01,,"Dacorum, unparished area",134,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2NZ,No,51.758385,-0.497462,503801,207701,TL038077,1984-02-01,1986-12-01,"Dacorum, unparished area",146,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PA,No,51.755230,-0.502464,503463,207343,TL034073,2012-11-01,2013-04-01,"Dacorum, unparished area",129,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2PE,Yes,51.755211,-0.502435,503465,207341,TL034073,1980-01-01,,"Dacorum, unparished area",128,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2PF,Yes,51.757689,-0.498572,503726,207622,TL037076,1980-01-01,,"Dacorum, unparished area",145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2PG,Yes,51.758658,-0.497713,503784,207731,TL037077,1980-01-01,,"Dacorum, unparished area",147,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PH,Yes,51.759564,-0.499654,503647,207829,TL036078,1980-01-01,,"Dacorum, unparished area",149,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PJ,Yes,51.760750,-0.499571,503651,207961,TL036079,1980-01-01,,"Dacorum, unparished area",151,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PL,Yes,51.759202,-0.498043,503759,207791,TL037077,1980-01-01,,"Dacorum, unparished area",149,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PN,Yes,51.759435,-0.497311,503809,207818,TL038078,1980-01-01,,"Dacorum, unparished area",148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PP,Yes,51.759660,-0.495941,503904,207845,TL039078,1980-01-01,,"Dacorum, unparished area",147,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PQ,Yes,51.758537,-0.498819,503707,207716,TL037077,1980-01-01,,"Dacorum, unparished area",146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PR,Yes,51.758889,-0.496054,503897,207759,TL038077,1980-01-01,,"Dacorum, unparished area",146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PS,Yes,51.758774,-0.494826,503983,207748,TL039077,1980-01-01,,"Dacorum, unparished area",145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2PT,Yes,51.758254,-0.494974,503973,207690,TL039076,1980-01-01,,"Dacorum, unparished area",145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2PU,Yes,51.757783,-0.494019,504040,207639,TL040076,1980-01-01,,"Dacorum, unparished area",143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2PW,Yes,51.759815,-0.496777,503845,207861,TL038078,1980-01-01,,"Dacorum, unparished area",148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2PX,Yes,51.758433,-0.494157,504029,207711,TL040077,1980-01-01,,"Dacorum, unparished area",144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2PY,Yes,51.757467,-0.495275,503955,207602,TL039076,1980-01-01,,"Dacorum, unparished area",143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2PZ,Yes,51.757950,-0.496462,503871,207654,TL038076,1980-01-01,,"Dacorum, unparished area",145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2QA,Yes,51.757743,-0.497150,503824,207630,TL038076,1980-01-01,,"Dacorum, unparished area",146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2QD,No,51.756532,-0.493177,504101,207501,TL041075,1984-10-01,1991-12-01,"Dacorum, unparished area",139,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2QE,Yes,51.756319,-0.494155,504034,207476,TL040074,1980-01-01,,"Dacorum, unparished area",140,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2QF,Yes,51.756098,-0.493698,504066,207452,TL040074,1980-01-01,,"Dacorum, unparished area",139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2QG,Yes,51.758667,-0.492772,504125,207739,TL041077,1980-01-01,,"Dacorum, unparished area",142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2QH,Yes,51.757477,-0.492537,504143,207607,TL041076,1980-01-01,,"Dacorum, unparished area",142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2QJ,Yes,51.758526,-0.493748,504057,207722,TL040077,1980-01-01,,"Dacorum, unparished area",143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2QL,Yes,51.759957,-0.495207,503953,207879,TL039078,1980-01-01,,"Dacorum, unparished area",146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2QN,Yes,51.759481,-0.495266,503951,207826,TL039078,1980-01-01,,"Dacorum, unparished area",146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 2QP,Yes,51.760291,-0.496732,503847,207914,TL038079,1980-01-01,,"Dacorum, unparished area",148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2QR,Yes,51.759915,-0.498295,503740,207870,TL037078,1980-01-01,,"Dacorum, unparished area",150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2QS,Yes,51.761582,-0.498529,503721,208055,TL037080,1980-01-01,,"Dacorum, unparished area",149,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2QT,Yes,51.761787,-0.501189,503536,208074,TL035080,1980-01-01,,"Dacorum, unparished area",150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2QU,Yes,51.762908,-0.503832,503352,208195,TL033081,1980-01-01,,"Dacorum, unparished area",151,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2QW,Yes,51.760884,-0.496017,503895,207981,TL038079,1980-01-01,,"Dacorum, unparished area",147,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 2QX,Yes,51.761185,-0.500557,503581,208008,TL035080,1980-01-01,,"Dacorum, unparished area",151,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2SA,Yes,51.750490,-0.512312,502794,206802,TL027068,1980-01-01,,"Dacorum, unparished area",122,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2SD,Yes,51.761039,-0.511733,502811,207976,TL028079,1980-01-01,,"Dacorum, unparished area",161,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2SE,Yes,51.761632,-0.510265,502910,208044,TL029080,1980-01-01,,"Dacorum, unparished area",164,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2SF,Yes,51.762410,-0.509891,502935,208131,TL029081,1980-01-01,,"Dacorum, unparished area",164,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2SG,Yes,51.767698,-0.507819,503065,208722,TL030087,1980-01-01,,"Dacorum, unparished area",161,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2SL,No,51.750508,-0.512326,502793,206804,TL027068,1983-01-01,2000-10-01,"Dacorum, unparished area",121,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2SN,Yes,51.762827,-0.510182,502913,208177,TL029081,2004-09-01,,"Dacorum, unparished area",164,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2SP,No,51.754305,-0.499727,503654,207244,TL036072,1986-04-01,1997-12-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2SQ,Yes,51.767092,-0.508259,503036,208654,TL030086,1980-01-01,,"Dacorum, unparished area",163,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2SY,No,51.750508,-0.512326,502793,206804,TL027068,1992-08-01,1997-07-01,"Dacorum, unparished area",121,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023383,Dacorum 016A,E01023383,Dacorum 016A
HP1 2TA,Yes,51.762114,-0.504293,503322,208106,TL033081,1987-04-01,,"Dacorum, unparished area",153,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TB,No,51.760257,-0.503196,503401,207901,TL034079,1995-01-01,1996-06-01,"Dacorum, unparished area",145,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TD,Yes,51.760707,-0.502543,503445,207952,TL034079,1987-04-01,,"Dacorum, unparished area",148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TE,Yes,51.761237,-0.501844,503493,208012,TL034080,1987-04-01,,"Dacorum, unparished area",150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TF,Yes,51.761187,-0.502860,503423,208005,TL034080,1987-04-01,,"Dacorum, unparished area",150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TG,Yes,51.759666,-0.503403,503389,207835,TL033078,1990-02-01,,"Dacorum, unparished area",143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TH,Yes,51.760295,-0.503383,503388,207905,TL033079,1990-02-01,,"Dacorum, unparished area",145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TJ,Yes,51.758470,-0.506239,503196,207698,TL031076,1990-02-01,,"Dacorum, unparished area",148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TL,Yes,51.759328,-0.506515,503175,207793,TL031077,1990-02-01,,"Dacorum, unparished area",150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TN,Yes,51.758656,-0.503872,503358,207722,TL033077,1990-02-01,,"Dacorum, unparished area",142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TP,Yes,51.757876,-0.505535,503245,207633,TL032076,1990-02-01,,"Dacorum, unparished area",146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TQ,Yes,51.759702,-0.504127,503338,207838,TL033078,1990-02-01,,"Dacorum, unparished area",145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TW,Yes,51.758358,-0.504548,503312,207688,TL033076,1990-02-01,,"Dacorum, unparished area",144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2TX,No,51.754314,-0.499727,503654,207245,TL036072,1995-07-01,2000-06-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2TZ,No,51.761937,-0.504531,503305,208086,TL033080,1995-01-01,1997-06-01,"Dacorum, unparished area",153,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 2UB,No,51.754314,-0.499727,503654,207245,TL036072,1996-06-01,1999-06-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2UE,No,51.754314,-0.499727,503654,207245,TL036072,1996-12-01,1998-06-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2UL,No,51.754314,-0.499727,503654,207245,TL036072,1998-06-01,1999-12-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2UP,No,51.754314,-0.499727,503654,207245,TL036072,1999-06-01,1999-12-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2XH,No,51.754314,-0.499727,503654,207245,TL036072,1998-06-01,1999-06-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2XJ,No,51.754314,-0.499727,503654,207245,TL036072,1998-12-01,1999-12-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2XR,No,51.754314,-0.499727,503654,207245,TL036072,1999-06-01,2000-06-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2XS,No,51.754314,-0.499727,503654,207245,TL036072,1998-12-01,2000-06-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2XT,No,51.754314,-0.499727,503654,207245,TL036072,1999-12-01,2001-04-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2XU,No,51.754314,-0.499727,503654,207245,TL036072,1999-12-01,2000-09-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2XX,No,51.754314,-0.499727,503654,207245,TL036072,1999-12-01,2001-01-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2YA,No,51.754314,-0.499727,503654,207245,TL036072,2000-06-01,2001-04-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 2YT,No,51.754314,-0.499727,503654,207245,TL036072,2000-06-01,2001-07-01,"Dacorum, unparished area",126,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01023385,Dacorum 016C,E01023385,Dacorum 016C
HP1 3PH,Yes,51.761708,-0.497105,503818,208071,TL038080,1980-01-01,,"Dacorum, unparished area",145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3PJ,Yes,51.762092,-0.498324,503733,208112,TL037081,1980-01-01,,"Dacorum, unparished area",146,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3PL,Yes,51.762229,-0.499203,503673,208126,TL036081,1980-01-01,,"Dacorum, unparished area",147,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3PN,Yes,51.762753,-0.500852,503558,208182,TL035081,1980-01-01,,"Dacorum, unparished area",148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3PP,Yes,51.762944,-0.502426,503448,208201,TL034082,1980-01-01,,"Dacorum, unparished area",149,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3PR,Yes,51.763523,-0.503363,503382,208264,TL033082,1980-01-01,,"Dacorum, unparished area",149,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 3PS,Yes,51.762176,-0.500031,503615,208119,TL036081,1980-01-01,,"Dacorum, unparished area",149,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3PT,Yes,51.763916,-0.503190,503394,208308,TL033083,1980-01-01,,"Dacorum, unparished area",148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 3PU,Yes,51.763033,-0.503031,503407,208210,TL034082,1980-01-01,,"Dacorum, unparished area",149,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 3PW,Yes,51.762155,-0.501162,503537,208115,TL035081,1980-01-01,,"Dacorum, unparished area",150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3PX,Yes,51.763681,-0.502387,503449,208283,TL034082,1980-01-01,,"Dacorum, unparished area",148,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 3PY,Yes,51.763303,-0.501617,503503,208242,TL035082,1980-01-01,,"Dacorum, unparished area",147,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3PZ,Yes,51.762369,-0.502459,503447,208137,TL034081,1980-01-01,,"Dacorum, unparished area",150,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023428,Dacorum 011C,E01023428,Dacorum 011C
HP1 3QF,Yes,51.756445,-0.491339,504229,207494,TL042074,1980-01-01,,"Dacorum, unparished area",139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QG,Yes,51.755732,-0.492537,504147,207413,TL041074,1980-01-01,,"Dacorum, unparished area",139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QH,Yes,51.757232,-0.488923,504393,207585,TL043075,1980-01-01,,"Dacorum, unparished area",131,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QJ,Yes,51.758395,-0.489811,504329,207713,TL043077,1980-01-01,,"Dacorum, unparished area",130,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QL,Yes,51.758888,-0.490432,504285,207767,TL042077,1980-01-01,,"Dacorum, unparished area",132,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QN,Yes,51.757328,-0.491484,504216,207592,TL042075,1980-01-01,,"Dacorum, unparished area",140,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QP,Yes,51.756764,-0.490923,504256,207530,TL042075,1980-01-01,,"Dacorum, unparished area",139,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QQ,Yes,51.757128,-0.489882,504328,207572,TL043075,1980-01-01,,"Dacorum, unparished area",135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QR,Yes,51.757791,-0.491831,504191,207643,TL041076,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QS,Yes,51.758058,-0.490894,504256,207674,TL042076,1980-01-01,,"Dacorum, unparished area",137,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QT,Yes,51.758720,-0.491322,504224,207747,TL042077,1980-01-01,,"Dacorum, unparished area",137,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QU,Yes,51.758308,-0.492132,504169,207700,TL041076,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QW,Yes,51.757655,-0.490328,504296,207630,TL042076,1980-01-01,,"Dacorum, unparished area",134,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3QX,Yes,51.759480,-0.491644,504200,207831,TL042078,1980-01-01,,"Dacorum, unparished area",135,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3QY,Yes,51.759720,-0.492143,504165,207857,TL041078,1980-01-01,,"Dacorum, unparished area",137,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3QZ,Yes,51.760703,-0.493791,504050,207964,TL040079,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3RA,Yes,51.759555,-0.493322,504085,207837,TL040078,1980-01-01,,"Dacorum, unparished area",141,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3RB,Yes,51.759793,-0.493662,504060,207863,TL040078,1980-01-01,,"Dacorum, unparished area",142,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3RD,Yes,51.761643,-0.494861,503974,208067,TL039080,1980-01-01,,"Dacorum, unparished area",140,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3RE,Yes,51.761612,-0.496645,503850,208061,TL038080,1980-01-01,,"Dacorum, unparished area",145,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3RF,Yes,51.761359,-0.495175,503952,208035,TL039080,1980-01-01,,"Dacorum, unparished area",143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3RG,Yes,51.759961,-0.494135,504027,207881,TL040078,1980-01-01,,"Dacorum, unparished area",143,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3RQ,Yes,51.760616,-0.494750,503984,207953,TL039079,1980-01-01,,"Dacorum, unparished area",144,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023429,Dacorum 011D,E01023429,Dacorum 011D
HP1 3SS,No,51.760164,-0.495954,503901,207901,TL039079,1991-09-01,1992-12-01,"Dacorum, unparished area",147,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3ST,No,51.760164,-0.495954,503901,207901,TL039079,1991-09-01,1992-12-01,"Dacorum, unparished area",147,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3SX,No,51.760164,-0.495954,503901,207901,TL039079,1991-09-01,1991-12-01,"Dacorum, unparished area",147,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3SY,No,51.760164,-0.495954,503901,207901,TL039079,1991-01-01,1994-05-01,"Dacorum, unparished area",147,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3SZ,No,51.760164,-0.495954,503901,207901,TL039079,1990-02-01,1995-01-01,"Dacorum, unparished area",147,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP1 3XU,No,51.760164,-0.495954,503901,207901,TL039079,1999-01-01,2000-09-01,"Dacorum, unparished area",147,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023427,Dacorum 011B,E01023427,Dacorum 011B
HP4 2TB,No,51.762128,-0.508930,503001,208101,TL030081,1993-08-01,1994-12-01,"Dacorum, unparished area",162,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023428,Dacorum 011C,E01023428,Dacorum 011C