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CM5 postcode district

CM5 holds 449 live postcodes around Chipping Ongar, in Epping Forest, Brentwood, Uttlesford and 1 more council areas.

Towns and villages with their centre in CM5

#PlaceCounty / councilPopulation
1Chipping OngarEssex3,967
2High OngarEssex1,171
3FyfieldEssex796
4MoretonEssex366
CM5 (centre of its postcodes) in the UK

Wards

NameShare of postcodes
Ongar47%
Rural East42%
Theydon Bois with Passingford9%
"Brizes1%
Hatfield Heath0%
Chelmsford Rural West0%

Westminster constituencies

NameShare of postcodes
Brentwood and Ongar100%
Harlow0%
North West Essex0%

Deprivation

The middle postcode here sits in decile 5 of the English Index of Multiple Deprivation (2021-Census LSOAs), where decile 1 is the most deprived tenth of neighbourhoods and 10 the least. 0% of this district's postcodes sit in the most deprived three deciles, 14% in the least deprived three.

Deprivation deciles describe the LSOA neighbourhood each postcode sits in, weighted by postcodes rather than by people, because the postcode file carries no population. A district where the deprived neighbourhoods are densely populated will read better here than it would per resident.

Neighbouring districts in the CM area

CM0 · CM1 · CM2 · CM3 · CM4 · CM6 · CM7 · CM8 · CM9 · CM11 · CM12 · CM13 · CM14 · CM15 · CM16 · CM17 · CM18 · CM19 · CM20 · CM21 · CM22 · CM23 · CM24 · CM77 · CM92 · CM98 · CM99

Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.