Colchester · CO5

Gas safety certificate in CO5 (Colchester)? We'll point you the right way.

Covering Colchester, including Great Totham, Kelvedon & Feering, Marks Tey and Layer. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in CO5 (Colchester)

No gas safety engineer listed for CO5 (Colchester) yet. Tell us what you need and we'll find you a registered gas safety engineer, free.

Request a gas safety certificate in CO5 (Colchester)

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

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CO5 (Colchester) in a nutshell

CO5 covers Colchester, in Braintree and Colchester and Maldon. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for CO5

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Two councils in one district

CO5 is split between Braintree and Colchester 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 authority
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Give your full postcode

CO5 stretches across Great Totham, Kelvedon & Feering, Marks Tey and Layer and more, so give your full postcode, not just 'CO5', 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 Colchester run on mains gas, so a standard boiler-and-hob check is what most people need.

Where's this from?ONS Census 2021, Colchester: 74.0% 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 Colchester page. Always double-check on GOV.UK.

Next door to CO5

CO3 · ColchesterCO1 · ColchesterCO2 · ColchesterCO6 · ColchesterCM0 · SouthminsterCM8 · Witham

← Gas safety (CP12) across Colchester · all areas

Frequently asked questions

Which areas does CO5 cover?

CO5 (Colchester) includes the wards of Great Totham, Kelvedon & Feering, Marks Tey and Layer, Mersea and Pyefleet, Old Heath and The Hythe, Tiptree, Tolleshunt D'Arcy (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to CO5?

Neighbouring districts include CO3 (Colchester), CO1 (Colchester), CO2 (Colchester), CO6 (Colchester), CM0 (Southminster) (ONS Postcode Directory via Doogal). A pro covering CO5 may well cover these too, so it's worth asking.

How many homes are in CO5?

About 12,058 households and 28,207 residents at the 2011 Census, across 977 active postcodes (Doogal / ONS Postcode Directory).

Which council area is CO5 in?

CO5 sits in Braintree, Colchester, Maldon (postcodes.io). Parliamentary constituency: Harwich and North Essex, Witham.

📊 The numbers behind this page
Postcode district
CO5 1
Areas covered
Colchester 2
Active postcodes
977 3
Households (2011 Census, via Doogal)
12,058 2
Population (2011 Census, via Doogal)
28,207 2
Electoral wards
Great Totham, Kelvedon & Feering, Marks Tey and Layer, Mersea and Pyefleet, Old Heath and The Hythe, Tiptree, Tolleshunt D'Arcy 4
Parliamentary constituencies
Harwich and North Essex, Witham 4
Local authority
Braintree, Colchester, Maldon 4
Households heated by mains gas only (Colchester built-up area)
74.0% 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.