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
CM1 2NS,Yes,51.739882,0.440311,568588,207393,TL685073,1980-01-01,,Writtle,30,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3AD,No,51.727538,0.423600,567480,205982,TL674059,1997-12-01,1998-12-01,Writtle,48,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3AX,Yes,51.728919,0.412451,566705,206110,TL667061,1994-05-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3AY,No,51.727398,0.422970,567437,205965,TL674059,1994-12-01,2000-06-01,Writtle,49,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3AZ,No,51.727538,0.423600,567480,205982,TL674059,1992-08-01,1998-12-01,Writtle,48,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3DT,Yes,51.730026,0.426384,567663,206265,TL676062,1980-01-01,,Writtle,43,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3DU,Yes,51.730831,0.427484,567736,206357,TL677063,1980-01-01,,Writtle,39,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3DX,Yes,51.729979,0.425585,567608,206258,TL676062,1980-01-01,,Writtle,44,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3DY,Yes,51.730412,0.425564,567605,206306,TL676063,1980-01-01,,Writtle,44,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3DZ,Yes,51.730724,0.430042,567913,206351,TL679063,1980-01-01,,Writtle,35,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EA,Yes,51.730875,0.431860,568038,206372,TL680063,1980-01-01,,Writtle,31,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EB,Yes,51.731603,0.428814,567825,206446,TL678064,1980-01-01,,Writtle,36,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3ED,Yes,51.732121,0.429899,567898,206506,TL678065,1980-01-01,,Writtle,35,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EE,Yes,51.732143,0.428814,567823,206506,TL678065,1980-01-01,,Writtle,36,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EF,Yes,51.732154,0.427830,567755,206505,TL677065,1980-01-01,,Writtle,37,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EG,Yes,51.732062,0.427101,567705,206493,TL677064,1980-01-01,,Writtle,38,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EH,Yes,51.732486,0.426574,567667,206539,TL676065,1980-01-01,,Writtle,39,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EJ,Yes,51.732010,0.423087,567428,206478,TL674064,1980-01-01,,Writtle,44,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EL,Yes,51.732361,0.422599,567393,206516,TL673065,1980-01-01,,Writtle,43,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EN,Yes,51.729320,0.427475,567741,206189,TL677061,1980-01-01,,Writtle,42,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EP,Yes,51.730205,0.429927,567907,206293,TL679062,1980-01-01,,Writtle,36,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EQ,Yes,51.732201,0.425588,567600,206505,TL675065,1980-01-01,,Writtle,40,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3ER,No,51.729409,0.428364,567802,206201,TL678062,1980-01-01,1995-07-01,Writtle,39,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3ES,Yes,51.729426,0.425845,567628,206197,TL676061,1985-10-01,,Writtle,43,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3ET,Yes,51.728987,0.435755,568314,206171,TL683061,1980-01-01,,Writtle,37,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3EU,Yes,51.728917,0.439560,568577,206172,TL685061,1980-01-01,,Writtle,31,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3EW,Yes,51.731152,0.433265,568134,206406,TL681064,1991-09-01,,Writtle,31,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EX,Yes,51.730077,0.431759,568034,206283,TL680062,1980-01-01,,Writtle,31,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EY,Yes,51.729716,0.431349,568007,206242,TL680062,1980-01-01,,Writtle,33,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3EZ,Yes,51.728269,0.430909,567982,206080,TL679060,1980-01-01,,Writtle,34,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3FA,No,51.727583,0.429714,567902,206001,TL679060,1995-01-01,1996-06-01,Writtle,38,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3FD,Yes,51.730182,0.432315,568072,206296,TL680062,2012-08-01,,Writtle,31,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3FE,Yes,51.723177,0.414838,566891,205477,TL668054,2017-06-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3FH,Yes,51.727791,0.405165,566206,205968,TL662059,2017-09-01,,Writtle,60,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3FL,Yes,51.731437,0.419030,567150,206405,TL671064,2018-12-01,,Writtle,48,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3FN,Yes,51.728953,0.415595,566922,206121,TL669061,2023-02-01,,Writtle,30,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3GA,Yes,51.731435,0.430862,567967,206432,TL679064,1995-12-01,,Writtle,33,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3GD,Yes,51.727282,0.429915,567917,205968,TL679059,1995-12-01,,Writtle,38,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3GJ,Yes,51.727275,0.424571,567548,205955,TL675059,2002-07-01,,Writtle,47,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3GT,No,51.727318,0.429931,567918,205972,TL679059,2000-12-01,2001-06-01,Writtle,37,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HB,Yes,51.728305,0.429608,567892,206081,TL678060,1980-01-01,,Writtle,38,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HD,Yes,51.726726,0.426801,567704,205899,TL677058,1980-01-01,,Writtle,45,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HE,Yes,51.726113,0.425102,567589,205827,TL675058,1980-01-01,,Writtle,47,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HF,Yes,51.725211,0.424388,567543,205725,TL675057,1980-01-01,,Writtle,47,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HG,Yes,51.724711,0.423348,567473,205667,TL674056,1980-01-01,,Writtle,47,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3HH,Yes,51.724753,0.426955,567722,205680,TL677056,1980-01-01,,Writtle,46,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HJ,Yes,51.724290,0.426713,567707,205628,TL677056,1980-01-01,,Writtle,48,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HL,Yes,51.725986,0.427355,567745,205818,TL677058,1980-01-01,,Writtle,45,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HN,Yes,51.725646,0.426381,567679,205778,TL676057,1980-01-01,,Writtle,47,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HP,Yes,51.725405,0.429771,567914,205759,TL679057,1980-01-01,,Writtle,40,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HQ,Yes,51.725061,0.427710,567773,205716,TL677057,1980-01-01,,Writtle,45,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HR,Yes,51.726322,0.426735,567701,205854,TL677058,1980-01-01,,Writtle,46,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HS,Yes,51.725321,0.426450,567685,205742,TL676057,1980-01-01,,Writtle,48,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HT,Yes,51.724599,0.427454,567757,205664,TL677056,1991-01-01,,Writtle,46,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HU,No,51.728511,0.428315,567802,206101,TL678061,1985-04-01,1996-06-01,Writtle,40,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HW,Yes,51.725980,0.429816,567915,205823,TL679058,1980-01-01,,Writtle,39,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HX,No,51.728511,0.428315,567802,206101,TL678061,1993-08-01,1995-01-01,Writtle,40,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HY,Yes,51.729273,0.429312,567868,206188,TL678061,1980-01-01,,Writtle,38,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3HZ,Yes,51.726803,0.424792,567565,205903,TL675059,1980-01-01,,Writtle,47,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3JA,Yes,51.727001,0.421761,567355,205918,TL673059,1980-01-01,,Writtle,51,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3JB,Yes,51.727297,0.415666,566933,205937,TL669059,1980-01-01,,Writtle,55,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JD,Yes,51.729185,0.428757,567830,206177,TL678061,1980-01-01,,Writtle,39,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3JE,Yes,51.727389,0.427777,567769,205975,TL677059,1980-01-01,,Writtle,42,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3JF,Yes,51.727440,0.426202,567660,205977,TL676059,1980-01-01,,Writtle,45,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3JG,Yes,51.728457,0.427024,567713,206092,TL677060,1980-01-01,,Writtle,42,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3JH,Yes,51.728421,0.420462,567260,206073,TL672060,1980-01-01,,Writtle,53,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3JJ,Yes,51.728349,0.418735,567141,206061,TL671060,1980-01-01,,Writtle,54,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JL,Yes,51.727672,0.417569,567063,205983,TL670059,1980-01-01,,Writtle,55,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JN,Yes,51.727832,0.415869,566945,205997,TL669059,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JP,Yes,51.728068,0.420602,567271,206034,TL672060,1980-01-01,,Writtle,52,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3JQ,Yes,51.727535,0.420718,567281,205975,TL672059,1980-01-01,,Writtle,52,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3JR,Yes,51.728223,0.416107,566960,206041,TL669060,1980-01-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JS,Yes,51.727545,0.419372,567188,205973,TL671059,1980-01-01,,Writtle,53,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JT,Yes,51.727616,0.415032,566888,205971,TL668059,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JU,Yes,51.727561,0.413783,566802,205962,TL668059,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JW,Yes,51.727958,0.414138,566825,206007,TL668060,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JX,Yes,51.727603,0.413018,566749,205965,TL667059,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3JY,Yes,51.727724,0.425478,567609,206007,TL676060,1980-01-01,,Writtle,45,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3JZ,Yes,51.728383,0.425803,567629,206081,TL676060,1980-01-01,,Writtle,44,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3LA,No,51.727398,0.422970,567437,205965,TL674059,1988-03-01,2000-06-01,Writtle,49,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LB,No,51.726744,0.426773,567702,205901,TL677059,1984-02-01,1996-12-01,Writtle,45,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3LD,No,51.726804,0.423880,567502,205901,TL675059,1995-01-01,1996-12-01,Writtle,48,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3LE,Yes,51.727661,0.422014,567370,205992,TL673059,1980-01-01,,Writtle,50,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LF,Yes,51.728885,0.422427,567394,206129,TL673061,1980-01-01,,Writtle,49,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LG,Yes,51.730408,0.423566,567467,206301,TL674063,1980-01-01,,Writtle,45,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LH,Yes,51.728876,0.418039,567091,206118,TL670061,1980-01-01,,Writtle,55,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LJ,Yes,51.728399,0.423719,567485,206078,TL674060,1980-01-01,,Writtle,48,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LL,Yes,51.728236,0.424637,567549,206062,TL675060,1980-01-01,,Writtle,46,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LN,Yes,51.728939,0.425457,567603,206142,TL676061,1980-01-01,,Writtle,44,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LP,Yes,51.729100,0.421135,567304,206150,TL673061,1980-01-01,,Writtle,51,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LQ,Yes,51.730055,0.423648,567474,206262,TL674062,1980-01-01,,Writtle,46,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LR,Yes,51.728839,0.419384,567184,206117,TL671061,1980-01-01,,Writtle,53,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LS,Yes,51.727889,0.422316,567390,206018,TL673060,1980-01-01,,Writtle,50,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LT,Yes,51.727182,0.423017,567441,205941,TL674059,1980-01-01,,Writtle,49,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LU,No,51.727343,0.441286,568702,206001,TL687060,1992-01-01,1995-01-01,Writtle,29,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LW,Yes,51.729252,0.423359,567457,206172,TL674061,1980-01-01,,Writtle,47,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3LY,Yes,51.729024,0.416541,566987,206131,TL669061,1984-10-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3LZ,No,51.727398,0.422970,567437,205965,TL674059,1996-06-01,2001-06-01,Writtle,49,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3NA,Yes,51.731109,0.423603,567467,206379,TL674063,1980-01-01,,Writtle,44,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3NB,Yes,51.729831,0.420581,567263,206230,TL672062,1980-01-01,,Writtle,51,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3ND,Yes,51.730197,0.418500,567118,206266,TL671062,1980-01-01,,Writtle,52,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3NE,Yes,51.729837,0.417685,567063,206224,TL670062,1980-01-01,,Writtle,54,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3NF,Yes,51.729528,0.414743,566861,206183,TL668061,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NG,Yes,51.728294,0.412664,566722,206041,TL667060,1980-01-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NH,Yes,51.728649,0.414203,566827,206084,TL668060,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NJ,Yes,51.726712,0.411725,566663,205863,TL666058,1980-01-01,,Writtle,55,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NL,Yes,51.728725,0.412238,566691,206088,TL666060,1980-01-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NN,Yes,51.729774,0.411541,566639,206203,TL666062,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NP,Yes,51.728878,0.410494,566570,206101,TL665061,1980-01-01,,Writtle,58,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NQ,Yes,51.727890,0.412194,566691,205995,TL666059,1980-01-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NR,Yes,51.729741,0.410945,566598,206198,TL665061,1980-01-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NS,Yes,51.728654,0.411322,566628,206078,TL666060,1980-01-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NT,Yes,51.727150,0.403524,566095,205893,TL660058,1980-01-01,,Writtle,55,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NU,Yes,51.731396,0.422764,567408,206409,TL674064,1980-01-01,,Writtle,45,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3NW,Yes,51.729986,0.410408,566560,206224,TL665062,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NX,Yes,51.730372,0.416989,567013,206282,TL670062,1980-01-01,,Writtle,53,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NY,Yes,51.729046,0.411531,566641,206122,TL666061,1980-01-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3NZ,Yes,51.727966,0.408070,566406,205994,TL664059,1980-01-01,,Writtle,59,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3PA,Yes,51.730897,0.413368,566761,206332,TL667063,1980-01-01,,Writtle,54,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3PB,Yes,51.731308,0.407350,566344,206364,TL663063,1980-01-01,,Writtle,53,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3PD,Yes,51.730848,0.418332,567104,206338,TL671063,1980-01-01,,Writtle,51,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3PE,Yes,51.731369,0.415782,566926,206390,TL669063,1980-01-01,,Writtle,50,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3PF,Yes,51.731446,0.417698,567058,206403,TL670064,1986-07-01,,Writtle,49,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3PH,Yes,51.720819,0.414061,566846,205213,TL668052,1992-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3PJ,Yes,51.715975,0.417393,567094,204682,TL670046,1980-01-01,,Writtle,48,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3PL,No,51.718133,0.416973,567057,204921,TL670049,1980-01-01,2018-03-01,Writtle,55,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3PN,Yes,51.709920,0.417085,567095,204008,TL670040,1980-01-01,,Writtle,61,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3PP,No,51.724675,0.408446,566444,205629,TL664056,1980-01-01,2011-01-01,Writtle,59,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3PQ,Yes,51.727906,0.411412,566637,205995,TL666059,1992-01-01,,Writtle,57,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3PR,Yes,51.724149,0.407810,566402,205569,TL664055,1980-01-01,,Writtle,60,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3PS,Yes,51.722926,0.404733,566194,205426,TL661054,1980-01-01,,Writtle,63,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3PT,No,51.719601,0.401067,565953,205048,TL659050,1991-01-01,2018-03-01,Writtle,68,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3PU,Yes,51.719601,0.401067,565953,205048,TL659050,1980-01-01,,Writtle,67,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3PW,Yes,51.726390,0.411650,566659,205827,TL666058,1980-01-01,,Writtle,55,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021635,Chelmsford 011E,E01021635,Chelmsford 011E
CM1 3RF,Yes,51.711607,0.407621,566435,204174,TL664041,1980-01-01,,Writtle,63,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3RJ,No,51.727471,0.422960,567436,205973,TL674059,1992-01-01,2000-09-01,Writtle,49,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3RL,Yes,51.721675,0.440111,568642,205368,TL686053,1980-01-01,,Writtle,30,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3RN,Yes,51.726072,0.441449,568718,205860,TL687058,1980-01-01,,Writtle,30,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3RP,Yes,51.735070,0.428638,567800,206831,TL677068,1980-01-01,,Writtle,33,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3RR,Yes,51.737202,0.428159,567759,207067,TL677070,1980-01-01,,Writtle,35,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3RS,Yes,51.736337,0.427374,567708,206969,TL677069,1980-01-01,,Writtle,34,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3RT,Yes,51.741452,0.430096,567877,207544,TL678075,1980-01-01,,Writtle,34,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3RU,Yes,51.741368,0.434133,568156,207544,TL681075,1980-01-01,,Writtle,33,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3RY,Yes,51.741220,0.427389,567691,207512,TL676075,1980-01-01,,Writtle,33,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3RZ,Yes,51.741933,0.423343,567409,207582,TL674075,1980-01-01,,Writtle,31,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3SA,Yes,51.745113,0.407302,566290,207899,TL662078,1980-01-01,,Writtle,34,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3SB,Yes,51.739472,0.416200,566925,207292,TL669072,1980-01-01,,Writtle,35,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3SD,Yes,51.734964,0.404011,566100,206763,TL660067,1980-01-01,,Writtle,48,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3SE,Yes,51.735353,0.392024,565271,206779,TL652067,1980-01-01,,Writtle,56,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3SF,Yes,51.736609,0.389962,565124,206914,TL651069,1980-01-01,,Writtle,54,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3SQ,Yes,51.737177,0.379722,564415,206954,TL644069,1980-01-01,,Writtle,61,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3SS,Yes,51.735340,0.431665,568008,206868,TL680068,1984-10-01,,Writtle,31,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3ST,Yes,51.740000,0.415432,566870,207349,TL668073,2006-02-01,,Writtle,34,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3SU,Yes,51.740778,0.420471,567215,207447,TL672074,1992-01-01,,Writtle,32,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3SW,No,51.728975,0.440201,568621,206180,TL686061,1980-01-01,2008-02-01,Writtle,32,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3TJ,No,51.727538,0.423600,567480,205982,TL674059,1996-12-01,2001-01-01,Writtle,48,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3TX,No,51.727538,0.423600,567480,205982,TL674059,1997-12-01,1999-12-01,Writtle,48,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3UF,No,51.727398,0.422970,567437,205965,TL674059,1993-01-01,2001-06-01,Writtle,49,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3UQ,No,51.727538,0.423600,567480,205982,TL674059,1994-12-01,2001-01-01,Writtle,48,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3US,Yes,51.725269,0.428084,567798,205740,TL677057,1998-06-01,,Writtle,44,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3UY,No,51.727398,0.422970,567437,205965,TL674059,1996-12-01,2001-06-01,Writtle,49,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3WB,No,51.727398,0.422970,567437,205965,TL674059,1995-12-01,2001-06-01,Writtle,49,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3WE,No,51.727471,0.422960,567436,205973,TL674059,1999-06-01,2000-09-01,Writtle,49,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3WF,No,51.727398,0.422970,567437,205965,TL674059,1999-06-01,2001-05-01,Writtle,49,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3WH,No,51.727273,0.427728,567766,205962,TL677059,2003-06-01,2003-08-01,Writtle,42,England,2025-07-23,Postcode sector mean (mainly PO Boxes),E01021636,Chelmsford 011F,E01021636,Chelmsford 011F
CM1 3WR,Yes,51.711482,0.405399,566282,204155,TL662041,2005-09-01,,Writtle,67,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3WT,Yes,51.740103,0.431385,567971,207397,TL679073,2010-05-01,,Writtle,34,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM1 3YA,Yes,51.731387,0.426674,567678,206417,TL676064,1992-08-01,,Writtle,40,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3YE,No,51.731369,0.426673,567678,206415,TL676064,2002-06-01,2003-06-01,Writtle,40,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3YP,No,51.731369,0.426673,567678,206415,TL676064,2003-02-01,2003-10-01,Writtle,40,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3YQ,No,51.731369,0.426673,567678,206415,TL676064,2002-06-01,2005-07-01,Writtle,40,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM1 3YZ,No,51.731369,0.426673,567678,206415,TL676064,2004-05-01,2005-07-01,Writtle,40,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01021633,Chelmsford 011C,E01021633,Chelmsford 011C
CM2 8FS,Yes,51.716380,0.430893,568025,204758,TL680047,2014-10-01,,Writtle,50,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM2 8LN,No,51.711509,0.435945,568392,204228,TL683042,2005-07-01,2008-04-01,Writtle,60,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D
CM2 8WQ,Yes,51.711473,0.435957,568393,204224,TL683042,1999-06-01,,Writtle,60,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01021634,Chelmsford 011D,E01021634,Chelmsford 011D