Postcodes in Chelmsford page 13 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 4JW Patching Hall 51.747699 0.463478 570158 208316 TL701083
CM1 4JX Patching Hall 51.747036 0.465199 570279 208246 TL702082
CM1 4JY Patching Hall 51.747741 0.46628 570351 208327 TL703083
CM1 4JZ Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 4LA Patching Hall 51.746097 0.461047 569996 208132 TL699081
CM1 4LB Chelmsford Rural West 51.753361 0.38088 564436 208756 TL644087
CM1 4LD Chelmsford Rural West 51.756445 0.383564 564610 209105 TL646091
CM1 4LE Chelmsford Rural West 51.757282 0.386083 564781 209204 TL647092
CM1 4LF Chelmsford Rural West 51.773102 0.352203 562386 210887 TL623108
CM1 4LG Chelmsford Rural West 51.769279 0.361223 563022 210482 TL630104
CM1 4LH Chelmsford Rural West 51.762723 0.369721 563632 209772 TL636097
CM1 4LJ Chelmsford Rural West 51.763722 0.377176 564143 209900 TL641098
CM1 4LL Chelmsford Rural West 51.758758 0.386149 564780 209368 TL647093
CM1 4LN Chelmsford Rural West 51.765184 0.390645 565067 210093 TL650100
CM1 4LP Chelmsford Rural West 51.755689 0.388375 564945 209032 TL649090
CM1 4LQ Chelmsford Rural West 51.771061 0.361185 563013 210680 TL630106
CM1 4LR Chelmsford Rural West 51.748686 0.384358 564693 208244 TL646082
CM1 4LS Chelmsford Rural West 51.752526 0.390095 565075 208684 TL650086
CM1 4LT Chelmsford Rural West 51.75079 0.395886 565481 208504 TL654085
CM1 4LU Chelmsford Rural West 51.748769 0.400934 565837 208291 TL658082
CM1 4LW Chelmsford Rural West 51.761292 0.391993 565174 209663 TL651096
CM1 4LX Chelmsford Rural West 51.743205 0.394745 565430 207658 TL654076
CM1 4LY Chelmsford Rural West 51.745821 0.396866 565567 207954 TL655079
CM1 4LZ Chelmsford Rural West 51.741152 0.378381 564308 207393 TL643073
CM1 4NA Chelmsford Rural West 51.747283 0.383936 564669 208087 TL646080
CM1 4NB Chelmsford Rural West 51.74715 0.390927 565152 208088 TL651080
CM1 4ND Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 4NE Marconi 51.748383 0.459245 569863 208382 TL698083
CM1 4NF Marconi 51.749174 0.458433 569804 208468 TL698084
CM1 4NG Patching Hall 51.745223 0.464984 570271 208044 TL702080
CM1 4NH Chelmsford Rural West 51.750476 0.363414 563241 208396 TL632083
CM1 4NJ Chelmsford Rural West 51.758827 0.35811 562845 209313 TL628093
CM1 4NL Chelmsford Rural West 51.75272 0.372005 563826 208665 TL638086
CM1 4NN Chelmsford Rural West 51.749027 0.354501 562631 208215 TL626082
CM1 4NP Chelmsford Rural West 51.740224 0.368775 563648 207268 TL636072
CM1 4NQ Patching Hall 51.745406 0.466124 570349 208067 TL703080
CM1 4NR Chelmsford Rural West 51.743511 0.371656 563835 207640 TL638076
CM1 4NS Chelmsford Rural West 51.747713 0.37599 564119 208117 TL641081
CM1 4NT Chelmsford Rural West 51.748283 0.378961 564322 208187 TL643081
CM1 4NU Chelmsford Rural West 51.749452 0.379834 564378 208319 TL643083
CM1 4NW Chelmsford Rural West 51.735464 0.348637 562275 206694 TL622066
CM1 4NX Chelmsford Rural West 51.749782 0.379547 564357 208355 TL643083
CM1 4NY Chelmsford Rural West 51.75039 0.383694 564641 208432 TL646084
CM1 4NZ Chelmsford Rural West 51.749842 0.382332 564549 208368 TL645083
CM1 4PA Chelmsford Rural West 51.751334 0.383161 564601 208536 TL646085
CM1 4PB Chelmsford Rural West 51.75124 0.382594 564562 208524 TL645085
CM1 4PD Chelmsford Rural West 51.751049 0.384047 564663 208506 TL646085
CM1 4PE Chelmsford Rural West 51.751513 0.380232 564398 208549 TL643085
CM1 4PF Chelmsford Rural West 51.750669 0.378812 564303 208452 TL643084
CM1 4PG Chelmsford Rural West 51.749604 0.378553 564289 208333 TL642083
CM1 4PH Chelmsford Rural West 51.749481 0.377547 564220 208317 TL642083
CM1 4PJ Chelmsford Rural West 51.763159 0.360584 563000 209800 TL629098
CM1 4PL Chelmsford Rural West 51.777851 0.345404 561900 211400 TL618113
CM1 4PN Chelmsford Rural West 51.777851 0.345404 561900 211400 TL618113
CM1 4PP Chelmsford Rural West 51.776575 0.345713 561926 211259 TL619112
CM1 4PQ Chelmsford Rural West 51.750004 0.377893 564242 208376 TL642083
CM1 4PR Chelmsford Rural West 51.774107 0.342862 561738 210978 TL617109
CM1 4PU Chelmsford Rural West 51.775417 0.33758 561369 211112 TL613111
CM1 4PW St Andrews 51.755464 0.447487 569025 209142 TL690091
CM1 4QA Chelmsford Rural West 51.784705 0.341279 561591 212153 TL615121
CM1 4QE Chelmsford Rural West 51.780547 0.345544 561900 211700 TL619117
CM1 4QG Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 4QH Chelmsford Rural West 51.786313 0.345333 561865 212341 TL618123
CM1 4QJ Chelmsford Rural West 51.793606 0.343191 561691 213147 TL616131
CM1 4RF St Andrews 51.755067 0.447972 569060 209099 TL690090
CM1 4RG Chelmsford Rural West 51.792287 0.373982 563819 213069 TL638130
CM1 4RH Patching Hall 51.746453 0.462095 570067 208174 TL700081
CM1 4RJ St Andrews 51.755464 0.447487 569025 209142 TL690091
CM1 4RL Chelmsford Rural West 51.79423 0.363162 563066 213261 TL630132
CM1 4RN Chelmsford Rural West 51.786759 0.356422 562628 212415 TL626124
CM1 4RP Chelmsford Rural West 51.786406 0.35652 562636 212376 TL626123
CM1 4RQ Patching Hall 51.747641 0.461653 570032 208305 TL700083
CM1 4RR Chelmsford Rural West 51.785585 0.355317 562556 212282 TL625122
CM1 4RS Chelmsford Rural West 51.785487 0.354805 562521 212270 TL625122
CM1 4RT Chelmsford Rural West 51.785355 0.353768 562450 212253 TL624122
CM1 4RU Chelmsford Rural West 51.783935 0.355867 562600 212100 TL625120
CM1 4RX Chelmsford Rural West 51.783573 0.360577 562926 212070 TL629120
CM1 4RY Chelmsford Rural West 51.776763 0.358453 562804 211308 TL628113
CM1 4RZ Chelmsford Rural West 51.783104 0.366019 563303 212030 TL633120
CM1 4SA Chelmsford Rural West 51.774601 0.378287 564180 211112 TL641111
CM1 4SB Chelmsford Rural West 51.784358 0.380871 564323 212203 TL643122
CM1 4SD Chelmsford Rural West 51.786751 0.385799 564654 212480 TL646124
CM1 4SE Chelmsford Rural West 51.789879 0.382774 564434 212821 TL644128
CM1 4SF Chelmsford Rural West 51.796762 0.386949 564697 213596 TL646135
CM1 4SG Chelmsford Rural West 51.791941 0.382158 564384 213049 TL643130
CM1 4SH Chelmsford Rural West 51.787763 0.359708 562851 212534 TL628125
CM1 4SJ Chelmsford Rural West 51.786671 0.357636 562712 212408 TL627124
CM1 4SL Chelmsford Rural West 51.786289 0.355644 562576 212361 TL625123
CM1 4SN Chelmsford Rural West 51.788802 0.382224 564400 212700 TL643127
CM1 4SP Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 4SQ Chelmsford Rural West 51.790513 0.37802 564104 212881 TL641128
CM1 4SR Chelmsford Rural West 51.757011 0.441412 568600 209300 TL686093
CM1 4SS Chelmsford Rural West 51.753313 0.439763 568500 208885 TL684088
CM1 4ST Chelmsford Rural West 51.759953 0.442223 568645 209629 TL686096
CM1 4SU Chelmsford Rural West 51.770975 0.437089 568250 210843 TL682108
CM1 4SW Moulsham and Central 51.737213 0.475991 571061 207179 TL710071
CM1 4SX Chelmsford Rural West 51.771655 0.434722 568084 210913 TL680109
CM1 4SY Chelmsford Rural West 51.772187 0.434215 568047 210971 TL680109
CM1 4SZ Chelmsford Rural West 51.774337 0.428981 567678 211198 TL676111
CM1 4TA Chelmsford Rural West 51.778783 0.416187 566779 211663 TL667116
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