CM3
Postcode district1,588 live postcodes: 1,037 in Chelmsford, 285 in Maldon, 238 in Braintree and 28 in Uttlesford.
A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Chelmsford, which holds 65% of CM3’s postcodes. Open the map at CM3 for neighbourhoods and points. Open the map at CM3
Deprivation by neighbourhood
English Indices of Deprivation 2025
Most deprived 10%Least
5 of Chelmsford’s 113 neighbourhoods are in England’s most deprived 20%.
Chelmsford, the council that holds 65% of CM3
Councils in CM3
- Chelmsford1037 postcodes
- Maldon285 postcodes
- Braintree238 postcodes
- Uttlesford28 postcodes