Postcodes in Chelmsford page 11 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 3TY Chelmer Village and Beaulieu Park 51.742492 0.500602 572740 207824 TL727078
CM1 3TZ Waterhouse Farm 51.721827 0.446755 569100 205400 TL690053
CM1 3UA Waterhouse Farm 51.720556 0.449481 569293 205265 TL692052
CM1 3UB Waterhouse Farm 51.720463 0.451209 569413 205259 TL694052
CM1 3UD Waterhouse Farm 51.720755 0.449854 569318 205288 TL693052
CM1 3UE Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3UF Writtle 51.727393 0.422944 567435 205964 TL674059
CM1 3UG Waterhouse Farm 51.721237 0.450908 569389 205344 TL693053
CM1 3UH Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3UJ Moulsham and Central 51.722453 0.459821 570000 205500 TL700054
CM1 3UL Moulsham and Central 51.722453 0.459821 570000 205500 TL700054
CM1 3UP Chelmer Village and Beaulieu Park 51.742492 0.500602 572740 207824 TL727078
CM1 3UQ Writtle 51.727533 0.423575 567478 205981 TL674059
CM1 3UR Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3US Writtle 51.725264 0.428058 567796 205739 TL677057
CM1 3UT Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3UU Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3UX Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3UY Writtle 51.727393 0.422944 567435 205964 TL674059
CM1 3UZ Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3WA Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3WB Writtle 51.727393 0.422944 567435 205964 TL674059
CM1 3WD Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3WE Writtle 51.727465 0.422934 567434 205972 TL674059
CM1 3WF Writtle 51.727393 0.422944 567435 205964 TL674059
CM1 3WG Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3WH Writtle 51.727267 0.427702 567764 205961 TL677059
CM1 3WJ Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3WL Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3WN Moulsham and Central 51.722453 0.459821 570000 205500 TL700054
CM1 3WP Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3WQ Waterhouse Farm 51.726188 0.454999 569653 205904 TL696059
CM1 3WR Writtle 51.711477 0.405373 566280 204154 TL662041
CM1 3WS Chelmsford Rural West 51.701405 0.358801 563099 202929 TL630029
CM1 3WT Writtle 51.740097 0.431359 567969 207396 TL679073
CM1 3WU Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3WW Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3WX Chelmer Village and Beaulieu Park 51.742492 0.500602 572740 207824 TL727078
CM1 3WY Chelmer Village and Beaulieu Park 51.742492 0.500602 572740 207824 TL727078
CM1 3WZ Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3XB Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3XZ Chelmer Village and Beaulieu Park 51.742492 0.500602 572740 207824 TL727078
CM1 3YA Writtle 51.731387 0.426674 567678 206417 TL676064
CM1 3YB Chelmer Village and Beaulieu Park 51.742492 0.500602 572740 207824 TL727078
CM1 3YE Writtle 51.731363 0.426647 567676 206414 TL676064
CM1 3YF Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3YP Writtle 51.731363 0.426647 567676 206414 TL676064
CM1 3YQ Writtle 51.731363 0.426647 567676 206414 TL676064
CM1 3YW Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3YX Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 3YZ Writtle 51.731363 0.426647 567676 206414 TL676064
CM1 4AA Patching Hall 51.756136 0.467734 570420 209264 TL704092
CM1 4AB Patching Hall 51.756534 0.465107 570237 209302 TL702093
CM1 4AD Patching Hall 51.756626 0.463736 570142 209309 TL701093
CM1 4AE Patching Hall 51.755958 0.466858 570360 209242 TL703092
CM1 4AF Patching Hall 51.75636 0.463562 570131 209279 TL701092
CM1 4AG Patching Hall 51.757287 0.463062 570093 209381 TL700093
CM1 4AH Patching Hall 51.757063 0.466035 570299 209363 TL702093
CM1 4AJ Patching Hall 51.756687 0.467666 570413 209325 TL704093
CM1 4AL Patching Hall 51.757034 0.468714 570484 209366 TL704093
CM1 4AN Patching Hall 51.756122 0.469316 570529 209266 TL705092
CM1 4AP Patching Hall 51.755397 0.469085 570516 209185 TL705091
CM1 4AQ Patching Hall 51.757152 0.464387 570185 209369 TL701093
CM1 4AR Patching Hall 51.755387 0.469577 570550 209185 TL705091
CM1 4AS Broomfield and The Walthams 51.757694 0.468982 570500 209440 TL705094
CM1 4AT Patching Hall 51.755907 0.47013 570586 209244 TL705092
CM1 4AU Patching Hall 51.753744 0.46781 570434 208998 TL704089
CM1 4AW Broomfield and The Walthams 51.757855 0.468136 570441 209456 TL704094
CM1 4AX Patching Hall 51.753495 0.467217 570394 208969 TL703089
CM1 4AY Patching Hall 51.753459 0.468925 570512 208969 TL705089
CM1 4AZ Patching Hall 51.753192 0.468313 570471 208938 TL704089
CM1 4BA Patching Hall 51.755975 0.466454 570332 209243 TL703092
CM1 4BB Chelmsford Rural West 51.783297 0.361213 562971 212041 TL629120
CM1 4BD Broomfield and The Walthams 51.758001 0.466347 570317 209468 TL703094
CM1 4BE Patching Hall 51.753833 0.464424 570200 209000 TL701090
CM1 4BF St Andrews 51.755464 0.447487 569025 209142 TL690091
CM1 4BG Patching Hall 51.753833 0.464424 570200 209000 TL701090
CM1 4BH Patching Hall 51.754494 0.465069 570242 209075 TL702090
CM1 4BJ Patching Hall 51.752921 0.466287 570332 208903 TL703089
CM1 4BL Patching Hall 51.752866 0.465411 570272 208895 TL702088
CM1 4BN Patching Hall 51.754123 0.46557 570278 209035 TL702090
CM1 4BP Patching Hall 51.75524 0.465515 570270 209159 TL702091
CM1 4BQ Patching Hall 51.753833 0.464424 570200 209000 TL701090
CM1 4BS Patching Hall 51.751847 0.463041 570112 208776 TL701087
CM1 4BT Patching Hall 51.751053 0.466185 570332 208695 TL703086
CM1 4BU Patching Hall 51.751443 0.464714 570229 208735 TL702087
CM1 4BW Patching Hall 51.755029 0.463533 570134 209131 TL701091
CM1 4BX Patching Hall 51.755724 0.461611 569999 209204 TL699092
CM1 4BY Patching Hall 51.756953 0.461435 569982 209340 TL699093
CM1 4BZ Patching Hall 51.751865 0.465186 570260 208783 TL702087
CM1 4DA Patching Hall 51.752547 0.463992 570175 208856 TL701088
CM1 4DB Patching Hall 51.754871 0.462075 570034 209110 TL700091
CM1 4DD Patching Hall 51.751707 0.467148 570396 208770 TL703087
CM1 4DE Patching Hall 51.757424 0.462127 570028 209394 TL700093
CM1 4DF Patching Hall 51.750256 0.466852 570381 208608 TL703086
CM1 4DG Patching Hall 51.753722 0.463708 570151 208986 TL701089
CM1 4DH Patching Hall 51.75051 0.467634 570434 208638 TL704086
CM1 4DJ Patching Hall 51.752844 0.460426 569928 208881 TL699088
CM1 4DL Patching Hall 51.755447 0.466772 570356 209185 TL703091
CM1 4DN Patching Hall 51.754976 0.4665 570339 209132 TL703091
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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