Postcodes in Chelmsford 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 1AA Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1AE Waterhouse Farm 51.734404 0.462754 570158 206836 TL701068
CM1 1AF Marconi 51.738234 0.472697 570830 207285 TL708072
CM1 1AG Marconi 51.738028 0.471802 570769 207260 TL707072
CM1 1AH Moulsham and Central 51.736175 0.472222 570805 207055 TL708070
CM1 1AJ Marconi 51.736016 0.467405 570473 207026 TL704070
CM1 1AL Moulsham and Central 51.731593 0.475028 571016 206552 TL710065
CM1 1AN Moulsham and Central 51.738603 0.479076 571269 207341 TL712073
CM1 1AP Marconi 51.738243 0.471408 570741 207283 TL707072
CM1 1AQ Marconi 51.737687 0.470451 570677 207219 TL706072
CM1 1AR Moulsham and Central 51.733864 0.473501 570902 206801 TL709068
CM1 1AS Moulsham and Central 51.736404 0.469454 570613 207074 TL706070
CM1 1AT Moulsham and Central 51.735363 0.473641 570906 206968 TL709069
CM1 1AU Marconi 51.737507 0.470064 570651 207198 TL706071
CM1 1AW Marconi 51.740402 0.47606 571054 207534 TL710075
CM1 1AY Moulsham and Central 51.735475 0.47385 570920 206981 TL709069
CM1 1AZ Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1BA Moulsham and Central 51.734718 0.473504 570899 206896 TL708068
CM1 1BB Chelmer Village and Beaulieu Park 51.742499 0.500627 572742 207825 TL727078
CM1 1BD Moulsham and Central 51.734953 0.473908 570926 206923 TL709069
CM1 1BE Moulsham and Central 51.733877 0.473733 570918 206803 TL709068
CM1 1BG Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1BH Marconi 51.739365 0.469775 570624 207404 TL706074
CM1 1BJ Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1BL Chelmer Village and Beaulieu Park 51.742499 0.500627 572742 207825 TL727078
CM1 1BN Moulsham and Central 51.734849 0.475003 571002 206914 TL710069
CM1 1BP Moulsham and Central 51.734098 0.473905 570929 206828 TL709068
CM1 1BQ Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1BS Moulsham and Central 51.734138 0.471155 570739 206826 TL707068
CM1 1BT Moulsham and Central 51.733988 0.468902 570584 206804 TL705068
CM1 1BU Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1BW Chelmer Village and Beaulieu Park 51.742499 0.500627 572742 207825 TL727078
CM1 1BX Moulsham and Central 51.732966 0.473452 570902 206701 TL709067
CM1 1BY Marconi 51.738658 0.471315 570733 207329 TL707073
CM1 1BZ Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1DA Moulsham and Central 51.7329 0.474433 570970 206696 TL709066
CM1 1DB Moulsham and Central 51.734759 0.475013 571003 206904 TL710069
CM1 1DD Moulsham and Central 51.733435 0.47297 570867 206752 TL708067
CM1 1DE Moulsham and Central 51.73171 0.474991 571013 206565 TL710065
CM1 1DF Chelmer Village and Beaulieu Park 51.742499 0.500627 572742 207825 TL727078
CM1 1DG Moulsham and Central 51.735531 0.468204 570530 206974 TL705069
CM1 1DH Moulsham and Central 51.732278 0.4745 570977 206627 TL709066
CM1 1DJ Marconi 51.739365 0.469775 570624 207404 TL706074
CM1 1DL Marconi 51.738666 0.472257 570798 207332 TL707073
CM1 1DN Moulsham and Central 51.73179 0.474633 570988 206573 TL709065
CM1 1DP Moulsham and Central 51.732344 0.475214 571026 206636 TL710066
CM1 1DQ Moulsham and Central 51.731572 0.475142 571024 206550 TL710065
CM1 1DR Moulsham and Central 51.735054 0.466947 570445 206918 TL704069
CM1 1DS Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1DT Moulsham and Central 51.73498 0.469608 570629 206916 TL706069
CM1 1DU Moulsham and Central 51.733246 0.473829 570927 206733 TL709067
CM1 1DW Moulsham and Central 51.734851 0.471484 570759 206906 TL707069
CM1 1DX Moulsham and Central 51.733813 0.473339 570891 206795 TL708067
CM1 1DY Moulsham and Central 51.733887 0.473285 570887 206803 TL708068
CM1 1DZ Moulsham and Central 51.732966 0.473452 570902 206701 TL709067
CM1 1EA Moulsham and Central 51.736757 0.474499 570960 207125 TL709071
CM1 1EB Chelmer Village and Beaulieu Park 51.742499 0.500627 572742 207825 TL727078
CM1 1ED Moulsham and Central 51.733916 0.473185 570880 206806 TL708068
CM1 1EE Moulsham and Central 51.734063 0.473005 570867 206822 TL708068
CM1 1EF Moulsham and Central 51.734146 0.472922 570861 206831 TL708068
CM1 1EG Moulsham and Central 51.734244 0.473811 570922 206844 TL709068
CM1 1EH Moulsham and Central 51.734724 0.472375 570821 206894 TL708068
CM1 1EJ Moulsham and Central 51.733038 0.473847 570929 206710 TL709067
CM1 1EL Chelmer Village and Beaulieu Park 51.742499 0.500627 572742 207825 TL727078
CM1 1EN Moulsham and Central 51.731572 0.475142 571024 206550 TL710065
CM1 1EP Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1EQ Moulsham and Central 51.734363 0.472847 570855 206855 TL708068
CM1 1ER Moulsham and Central 51.733909 0.473083 570873 206805 TL708068
CM1 1ES Moulsham and Central 51.734295 0.472699 570845 206847 TL708068
CM1 1ET Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1EU Moulsham and Central 51.732067 0.473403 570902 206601 TL709066
CM1 1EW Marconi 51.738882 0.466677 570412 207343 TL704073
CM1 1EX Moulsham and Central 51.734164 0.472923 570861 206833 TL708068
CM1 1EY Moulsham and Central 51.731711 0.474513 570980 206564 TL709065
CM1 1EZ Moulsham and Central 51.736589 0.472201 570802 207101 TL708071
CM1 1FA Moulsham and Central 51.735752 0.469259 570602 207001 TL706070
CM1 1FB Moulsham and Central 51.736151 0.469976 570650 207047 TL706070
CM1 1FE Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1FG Moulsham and Central 51.735883 0.477536 571173 207035 TL711070
CM1 1FH Marconi 51.738416 0.46571 570347 207289 TL703072
CM1 1FL Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1FN Patching Hall 51.745755 0.46401 570202 208101 TL702081
CM1 1FP Patching Hall 51.745755 0.46401 570202 208101 TL702081
CM1 1FQ Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1FR Marconi 51.740417 0.47919 571270 207543 TL712075
CM1 1FS Marconi 51.739365 0.469775 570624 207404 TL706074
CM1 1FT Marconi 51.739365 0.469775 570624 207404 TL706074
CM1 1FU Moulsham and Central 51.731664 0.475061 571018 206560 TL710065
CM1 1FW Marconi 51.736647 0.465165 570316 207091 TL703070
CM1 1FX Marconi 51.739365 0.469775 570624 207404 TL706074
CM1 1FY Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1FZ Moulsham and Central 51.734204 0.473606 570908 206839 TL709068
CM1 1GA Moulsham and Central 51.7348 0.470061 570661 206897 TL706068
CM1 1GB Moulsham and Central 51.73722 0.476016 571063 207180 TL710071
CM1 1GD Moulsham and Central 51.734506 0.475897 571065 206878 TL710068
CM1 1GE Moulsham and Central 51.734346 0.469834 570647 206846 TL706068
CM1 1GF Moulsham and Central 51.734476 0.470507 570693 206862 TL706068
CM1 1GG Moulsham and Central 51.735122 0.470977 570723 206935 TL707069
CM1 1GH Moulsham and Central 51.734309 0.474988 571003 206854 TL710068
CM1 1GJ Marconi 51.739228 0.474156 570927 207399 TL709073
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Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
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