Great Dunmow · CM6
Gas safety certificate in CM6 (Great Dunmow)? We'll point you the right way.
Covering Great Dunmow, Felsted, including Braintree Central & Beckers Green, Broad Oak & the Hallingburys, Broomfield and The Walthams. Find Gas Safe registered engineers nearby.
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CM6 (Great Dunmow) in a nutshell
CM6 covers Great Dunmow, Felsted, in Braintree and Chelmsford and Uttlesford. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for CM6
Two councils in one district
CM6 is split between Braintree and Chelmsford and Uttlesford. Some councils run their own landlord licensing, so check which one your home is in.
Where's this from?
postcodes.io (ONSPD) local authorityGive your full postcode
CM6 stretches across Braintree Central & Beckers Green, Broad Oak & the Hallingburys, Broomfield and The Walthams and more, so give your full postcode, not just 'CM6', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Great Dunmow run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Great Dunmow: 77.8% mains gas onlyEngland landlord rules: quick version
- Every year: a check by a Gas Safe registered engineer.
- Within 28 days: give your tenants a copy (new tenants get it before they move in).
- Keep it: hang on to records for at least 2 years.
Always double-check on GOV.UK.
Next door to CM6
Frequently asked questions
Which areas does CM6 cover?
CM6 (Great Dunmow, Felsted) includes the wards of Braintree Central & Beckers Green, Broad Oak & the Hallingburys, Broomfield and The Walthams, Felsted & Stebbing, Flitch Green & Little Dunmow, Great Dunmow North, Great Dunmow South & Barnston, Hatfield Heath, High Easter & the Rodings, Rayne, Takeley, Thaxted & the Eastons, The Sampfords (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to CM6?
Neighbouring districts include CM22 (Bishop's Stortford), CM7 (Braintree), CM24 (Stansted Mountfitchet), CM77 (Braintree), CM4 (Blackmore) (ONS Postcode Directory via Doogal). A pro covering CM6 may well cover these too, so it's worth asking.
How many homes are in CM6?
About 9,823 households and 24,941 residents at the 2011 Census, across 989 active postcodes (Doogal / ONS Postcode Directory).
Which council area is CM6 in?
CM6 sits in Braintree, Chelmsford, Uttlesford (postcodes.io). Parliamentary constituency: Braintree, Harlow, North West Essex.
📊 The numbers behind this page
- Postcode district
- CM6 1
- Areas covered
- Great Dunmow, Felsted 2
- Active postcodes
- 989 3
- Households (2011 Census, via Doogal)
- 9,823 2
- Population (2011 Census, via Doogal)
- 24,941 2
- Electoral wards
- Braintree Central & Beckers Green, Broad Oak & the Hallingburys, Broomfield and The Walthams, Felsted & Stebbing, Flitch Green & Little Dunmow, Great Dunmow North, Great Dunmow South & Barnston, Hatfield Heath … 4
- Parliamentary constituencies
- Braintree, Harlow, North West Essex 4
- Local authority
- Braintree, Chelmsford, Uttlesford 4
- Households heated by mains gas only (Great Dunmow built-up area)
- 77.8% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- ONS Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.