Postcodes in Chelmsford page 10 Local Authority District

This page provides postcode data for the Chelmsford UK Local Authority District.

In 2021, Chelmsford contained approximately 75,400 households with a population of about 181,500

In 2011, Chelmsford contained approximately 69,659 households with a population of about 168,225

Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
CM1 3NY Writtle 51.729046 0.411531 566641 206122 TL666061
CM1 3NZ Writtle 51.727966 0.40807 566406 205994 TL664059
CM1 3PA Writtle 51.730897 0.413368 566761 206332 TL667063
CM1 3PB Writtle 51.731308 0.40735 566344 206364 TL663063
CM1 3PD Writtle 51.730848 0.418332 567104 206338 TL671063
CM1 3PE Writtle 51.731369 0.415782 566926 206390 TL669063
CM1 3PF Writtle 51.731446 0.417698 567058 206403 TL670064
CM1 3PG Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 3PH Writtle 51.720819 0.414061 566846 205213 TL668052
CM1 3PJ Writtle 51.715975 0.417393 567094 204682 TL670046
CM1 3PL Writtle 51.718133 0.416973 567057 204921 TL670049
CM1 3PN Writtle 51.70992 0.417085 567095 204008 TL670040
CM1 3PP Writtle 51.724675 0.408446 566444 205629 TL664056
CM1 3PQ Writtle 51.727906 0.411412 566637 205995 TL666059
CM1 3PR Writtle 51.724149 0.40781 566402 205569 TL664055
CM1 3PS Writtle 51.722926 0.404733 566194 205426 TL661054
CM1 3PT Writtle 51.719601 0.401067 565953 205048 TL659050
CM1 3PU Writtle 51.719601 0.401067 565953 205048 TL659050
CM1 3PW Writtle 51.72639 0.41165 566659 205827 TL666058
CM1 3PX Chelmsford Rural West 51.714871 0.391377 565301 204500 TL653044
CM1 3PY Chelmsford Rural West 51.71404 0.388452 565102 204401 TL651044
CM1 3PZ Chelmsford Rural West 51.714395 0.386922 564995 204437 TL649044
CM1 3QA Chelmsford Rural West 51.713745 0.386569 564973 204364 TL649043
CM1 3QB Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 3QD Chelmsford Rural West 51.716634 0.389588 565171 204692 TL651046
CM1 3QE Chelmsford Rural West 51.713776 0.386817 564990 204368 TL649043
CM1 3QF Chelmsford Rural West 51.708655 0.386605 564994 203798 TL649037
CM1 3QG Chelmsford Rural West 51.712211 0.377528 564354 204173 TL643041
CM1 3QH Chelmsford Rural West 51.710783 0.374746 564167 204008 TL641040
CM1 3QJ Chelmsford Rural West 51.711591 0.368158 563709 204083 TL637040
CM1 3QL Chelmsford Rural West 51.708455 0.371136 563926 203741 TL639037
CM1 3QN Chelmsford Rural West 51.708464 0.371136 563926 203742 TL639037
CM1 3QP Chelmsford Rural West 51.708187 0.358543 563057 203683 TL630036
CM1 3QQ Chelmsford Rural West 51.702076 0.357429 563002 203001 TL630030
CM1 3QR Chelmsford Rural West 51.701338 0.355683 562884 202915 TL628029
CM1 3QS Chelmsford Rural West 51.707702 0.364308 563457 203642 TL634036
CM1 3QT Chelmsford Rural West 51.705233 0.364135 563454 203367 TL634033
CM1 3QU Chelmsford Rural West 51.703031 0.364527 563489 203123 TL634031
CM1 3QW Chelmsford Rural West 51.71206 0.375638 564224 204152 TL642041
CM1 3QX Chelmsford Rural West 51.702028 0.365213 563540 203013 TL635030
CM1 3QY Chelmsford Rural West 51.701823 0.365101 563533 202990 TL635029
CM1 3QZ Chelmsford Rural West 51.701024 0.364147 563470 202899 TL634028
CM1 3RA Chelmsford Rural West 51.700401 0.365171 563543 202832 TL635028
CM1 3RB Chelmsford Rural West 51.701349 0.367623 563709 202943 TL637029
CM1 3RD Chelmsford Rural West 51.713795 0.389424 565170 204376 TL651043
CM1 3RE Chelmsford Rural West 51.712061 0.390679 565263 204186 TL652041
CM1 3RF Writtle 51.711607 0.407621 566435 204174 TL664041
CM1 3RG Chelmsford Rural West 51.710012 0.371999 563980 203916 TL639039
CM1 3RH Chelmsford Rural West 51.709952 0.372734 564031 203911 TL640039
CM1 3RJ Writtle 51.727471 0.42296 567436 205973 TL674059
CM1 3RL Writtle 51.721675 0.440111 568642 205368 TL686053
CM1 3RN Writtle 51.726072 0.441449 568718 205860 TL687058
CM1 3RP Writtle 51.73507 0.428638 567800 206831 TL677068
CM1 3RQ Chelmsford Rural West 51.712571 0.377084 564322 204212 TL643042
CM1 3RR Writtle 51.737202 0.428159 567759 207067 TL677070
CM1 3RS Writtle 51.736337 0.427374 567708 206969 TL677069
CM1 3RT Writtle 51.741452 0.430096 567877 207544 TL678075
CM1 3RU Writtle 51.741368 0.434133 568156 207544 TL681075
CM1 3RW Waterhouse Farm 51.726484 0.455749 569704 205939 TL697059
CM1 3RX Chelmer Village and Beaulieu Park 51.742499 0.500627 572742 207825 TL727078
CM1 3RY Writtle 51.74122 0.427389 567691 207512 TL676075
CM1 3RZ Writtle 51.741933 0.423343 567409 207582 TL674075
CM1 3SA Writtle 51.745113 0.407302 566290 207899 TL662078
CM1 3SB Writtle 51.739472 0.4162 566925 207292 TL669072
CM1 3SD Writtle 51.734964 0.404011 566100 206763 TL660067
CM1 3SE Writtle 51.735353 0.392024 565271 206779 TL652067
CM1 3SF Writtle 51.736609 0.389962 565124 206914 TL651069
CM1 3SG Chelmsford Rural West 51.739437 0.387981 564977 207224 TL649072
CM1 3SH Chelmsford Rural West 51.730959 0.370561 563805 206242 TL638062
CM1 3SJ Chelmsford Rural West 51.726051 0.37265 563967 205701 TL639057
CM1 3SL Chelmsford Rural West 51.731365 0.372277 563922 206291 TL639062
CM1 3SN Chelmsford Rural West 51.721674 0.372551 563976 205214 TL639052
CM1 3SP Chelmsford Rural West 51.72245 0.375068 564147 205306 TL641053
CM1 3SQ Writtle 51.737177 0.379722 564415 206954 TL644069
CM1 3SR Chelmsford Rural West 51.723169 0.37777 564331 205392 TL643053
CM1 3SS Writtle 51.73534 0.431665 568008 206868 TL680068
CM1 3ST Writtle 51.74 0.415432 566870 207349 TL668073
CM1 3SU Writtle 51.740778 0.420471 567215 207447 TL672074
CM1 3SW Writtle 51.728975 0.440201 568621 206180 TL686061
CM1 3SX Marconi 51.73981 0.465294 570313 207443 TL703074
CM1 3SY Chelmer Village and Beaulieu Park 51.742499 0.500627 572742 207825 TL727078
CM1 3SZ Waterhouse Farm 51.72569 0.445975 569032 205828 TL690058
CM1 3TA Waterhouse Farm 51.724498 0.448372 569202 205701 TL692057
CM1 3TB Waterhouse Farm 51.724498 0.448372 569202 205701 TL692057
CM1 3TD Waterhouse Farm 51.726108 0.449198 569253 205882 TL692058
CM1 3TE Waterhouse Farm 51.722701 0.448275 569202 205501 TL692055
CM1 3TF Waterhouse Farm 51.726118 0.449169 569251 205883 TL692058
CM1 3TG Waterhouse Farm 51.722701 0.448275 569202 205501 TL692055
CM1 3TH Waterhouse Farm 51.720314 0.44845 569223 205236 TL692052
CM1 3TJ Writtle 51.727538 0.4236 567480 205982 TL674059
CM1 3TL Waterhouse Farm 51.72313 0.447097 569119 205546 TL691055
CM1 3TN Waterhouse Farm 51.720006 0.448129 569202 205201 TL692052
CM1 3TP Waterhouse Farm 51.72224 0.449669 569300 205453 TL692054
CM1 3TQ Waterhouse Farm 51.725672 0.451158 569390 205838 TL693058
CM1 3TR Waterhouse Farm 51.721482 0.452394 569491 205375 TL694053
CM1 3TS Waterhouse Farm 51.721803 0.448227 569202 205401 TL692054
CM1 3TT Waterhouse Farm 51.722701 0.448275 569202 205501 TL692055
CM1 3TU Waterhouse Farm 51.719413 0.45024 569350 205140 TL693051
CM1 3TW Waterhouse Farm 51.720904 0.448178 569202 205301 TL692053
CM1 3TX Writtle 51.727538 0.4236 567480 205982 TL674059
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license