Harlow · CM18
Gas safety certificate in CM18 (Harlow)? We'll point you the right way.
Covering Harlow, including Bush Fair, Epping West & Rural, Great Parndon. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in CM18 (Harlow)
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Request a gas safety certificate in CM18 (Harlow)
How to check a gas safety engineer is registered: see the Harlow page.
CM18 (Harlow) in a nutshell
CM18 covers Harlow, in Epping Forest and Harlow. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for CM18
Two councils in one district
CM18 is split between Epping Forest and Harlow. 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
CM18 stretches across Bush Fair, Epping West & Rural, Great Parndon and more, so give your full postcode, not just 'CM18', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Harlow run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Harlow: 79.3% 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.
More detail on the Harlow page. Always double-check on GOV.UK.
Next door to CM18
Frequently asked questions
Which areas does CM18 cover?
CM18 (Harlow) includes the wards of Bush Fair, Epping West & Rural, Great Parndon, Latton Bush & Stewards, Little Parndon & Town Centre, North Weald Bassett, Passmores, Sumners & Kingsmoor (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to CM18?
Neighbouring districts include CM20 (Harlow), CM19 (Harlow), CM17 (Harlow), CM16 (Epping) (ONS Postcode Directory via Doogal). A pro covering CM18 may well cover these too, so it's worth asking.
How many homes are in CM18?
About 10,328 households and 24,494 residents at the 2011 Census, across 430 active postcodes (Doogal / ONS Postcode Directory).
Which council area is CM18 in?
CM18 sits in Epping Forest, Harlow (postcodes.io). Parliamentary constituency: Epping Forest, Harlow.
📊 The numbers behind this page
- Postcode district
- CM18 1
- Areas covered
- Harlow 2
- Active postcodes
- 430 3
- Households (2011 Census, via Doogal)
- 10,328 2
- Population (2011 Census, via Doogal)
- 24,494 2
- Electoral wards
- Bush Fair, Epping West & Rural, Great Parndon, Latton Bush & Stewards, Little Parndon & Town Centre, North Weald Bassett, Passmores, Sumners & Kingsmoor 4
- Parliamentary constituencies
- Epping Forest, Harlow 4
- Local authority
- Epping Forest, Harlow 4
- Households heated by mains gas only (Harlow built-up area)
- 79.3% 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.