Chelmsford · CM3

Gas safety certificate in CM3 (Hatfield Peverel)? We'll point you the right way.

Covering Hatfield Peverel, South Woodham Ferrers, Boreham, Maylandsea, including Althorne, Bicknacre and East and West Hanningfield, Boreham and The Leighs. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in CM3 (Hatfield Peverel)

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Request a gas safety certificate in CM3 (Hatfield Peverel)

How to check a gas safety engineer is registered: see the Chelmsford page.

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CM3 (Hatfield Peverel) in a nutshell

CM3 covers Hatfield Peverel, South Woodham Ferrers, Boreham, Maylandsea, in Braintree and Chelmsford and Maldon and Uttlesford. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for CM3

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Two councils in one district

CM3 is split between Braintree and Chelmsford and Maldon 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 authority
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Give your full postcode

CM3 stretches across Althorne, Bicknacre and East and West Hanningfield, Boreham and The Leighs and more, so give your full postcode, not just 'CM3', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Mostly mains gas round here

Most homes in Chelmsford run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Chelmsford: 76.7% mains gas only
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New to gas safety certificates? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

England 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.

More detail on the Chelmsford page. Always double-check on GOV.UK.

Next door to CM3

← Gas safety (CP12) across Chelmsford · all areas

Frequently asked questions

Which areas does CM3 cover?

CM3 (Hatfield Peverel, South Woodham Ferrers, Boreham, Maylandsea) includes the wards of Althorne, Bicknacre and East and West Hanningfield, Boreham and The Leighs, Broomfield and The Walthams, Chelmer Village and Beaulieu Park, Chelmsford Rural West, Felsted & Stebbing, Hatfield Peverel & Terling, High Easter & the Rodings, Little Baddow, Danbury and Sandon, Mayland, Purleigh, Rettendon and Runwell, South Hanningfield, Stock and Margaretting, South Woodham-Chetwood and Collingwood, South Woodham-Elmwood and Woodville, Wickham Bishops and Woodham (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to CM3?

Neighbouring districts include CM2 (Chelmsford), CM9 (Maldon), CM8 (Witham) (ONS Postcode Directory via Doogal). A pro covering CM3 may well cover these too, so it's worth asking.

How many homes are in CM3?

About 21,548 households and 53,826 residents at the 2011 Census, across 1,588 active postcodes (Doogal / ONS Postcode Directory).

Which council area is CM3 in?

CM3 sits in Braintree, Chelmsford, Maldon, Uttlesford (postcodes.io). Parliamentary constituency: Braintree, Chelmsford, Maldon, North West Essex, Witham.

📊 The numbers behind this page
Postcode district
CM3 1
Areas covered
Hatfield Peverel, South Woodham Ferrers, Boreham, Maylandsea 2
Active postcodes
1,588 3
Households (2011 Census, via Doogal)
21,548 2
Population (2011 Census, via Doogal)
53,826 2
Electoral wards
Althorne, Bicknacre and East and West Hanningfield, Boreham and The Leighs, Broomfield and The Walthams, Chelmer Village and Beaulieu Park, Chelmsford Rural West, Felsted & Stebbing, Hatfield Peverel & Terling … 4
Parliamentary constituencies
Braintree, Chelmsford, Maldon, North West Essex, Witham 4
Local authority
Braintree, Chelmsford, Maldon, Uttlesford 4
Households heated by mains gas only (Chelmsford built-up area)
76.7% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. ONS Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.