Postcode CM1
Broomfield +13 · Essex, England
CM1 is the postcode of Broomfield, Chelmsford, Chignall Smealy and 11 other places in Essex, England, United Kingdom. This list covers outward codes — the first half of a UK postcode, such as M9 or BN91 — not full postcodes.
- Postcode
- CM1
- County
- Essex
- Country
- England
- Country
- United Kingdom
14 places with postcode CM1
| Place | County | Location |
|---|---|---|
| Broomfield | Essex | 51.765, 0.473 |
| Chelmsford | Essex | 51.736, 0.470 |
| Chignall Smealy | Essex | 51.763, 0.409 |
| Chignall St James | Essex | 51.763, 0.409 |
| Cooksmill Green | Essex | 51.763, 0.409 |
| Edney Common | Essex | 51.763, 0.409 |
| Good Easter | Essex | 51.785, 0.355 |
| Great Oxney Green | Essex | 51.763, 0.409 |
| High Easter | Essex | 51.808, 0.349 |
| Loves Green | Essex | 51.763, 0.409 |
| Mashbury | Essex | 51.788, 0.388 |
| Roxwell | Essex | 51.752, 0.381 |
| Stagden Cross | Essex | 51.763, 0.409 |
| Writtle | Essex | 51.729, 0.429 |
Near London
The nearest major city is London, about 47 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode CM1?
Broomfield, Chelmsford, Chignall Smealy, Chignall St James, Cooksmill Green, Edney Common, Good Easter, Great Oxney Green, High Easter, Loves Green, Mashbury, Roxwell and 2 more.
Which county and country is CM1 in?
Essex, England, United Kingdom.
What is the nearest major city to CM1?
London, about 47 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.