CM4
Postcode district442 live postcodes: 250 in Brentwood, 165 in Chelmsford, 23 in Epping Forest and 4 in Basildon.
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 Brentwood, which holds 57% of CM4’s postcodes. Open the map at CM4 for neighbourhoods and points. Open the map at CM4
Deprivation by neighbourhood
English Indices of Deprivation 2025
Most deprived 10%Least
0 of Brentwood’s 48 neighbourhoods are in England’s most deprived 20%.
Brentwood, the council that holds 57% of CM4
Councils in CM4
- Brentwood250 postcodes
- Chelmsford165 postcodes
- Epping Forest23 postcodes
- Basildon4 postcodes