Witham · CM8
Gas safety certificate in CM8 (Witham)? We'll point you the right way.
Covering Witham, including Great Notley & Black Notley, Great Totham, Hatfield Peverel & Terling. Find Gas Safe registered engineers nearby.
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CM8 (Witham) in a nutshell
CM8 covers Witham, in Braintree and Maldon. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for CM8
Two councils in one district
CM8 is split between Braintree and Maldon. 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
CM8 stretches across Great Notley & Black Notley, Great Totham, Hatfield Peverel & Terling and more, so give your full postcode, not just 'CM8', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Witham run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Witham: 71.6% 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 CM8
Frequently asked questions
Which areas does CM8 cover?
CM8 (Witham) includes the wards of Great Notley & Black Notley, Great Totham, Hatfield Peverel & Terling, Silver End & Cressing, Wickham Bishops and Woodham, Witham Central, Witham North, Witham South, Witham West (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to CM8?
Neighbouring districts include CM9 (Maldon), CM3 (Hatfield Peverel), CM77 (Braintree), CM7 (Braintree) (ONS Postcode Directory via Doogal). A pro covering CM8 may well cover these too, so it's worth asking.
How many homes are in CM8?
About 13,914 households and 33,021 residents at the 2011 Census, across 924 active postcodes (Doogal / ONS Postcode Directory).
Which council area is CM8 in?
CM8 sits in Braintree, Maldon (postcodes.io). Parliamentary constituency: Braintree, Witham.
📊 The numbers behind this page
- Postcode district
- CM8 1
- Areas covered
- Witham 2
- Active postcodes
- 924 3
- Households (2011 Census, via Doogal)
- 13,914 2
- Population (2011 Census, via Doogal)
- 33,021 2
- Electoral wards
- Great Notley & Black Notley, Great Totham, Hatfield Peverel & Terling, Silver End & Cressing, Wickham Bishops and Woodham, Witham Central, Witham North, Witham South … 4
- Parliamentary constituencies
- Braintree, Witham 4
- Local authority
- Braintree, Maldon 4
- Households heated by mains gas only (Witham built-up area)
- 71.6% 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.