Colchester · CO2

Gas safety certificate in CO2 (Colchester)? We'll point you the right way.

Covering Colchester, including Berechurch, Castle, Greenstead. Find Gas Safe registered engineers nearby.

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Request a gas safety certificate in CO2 (Colchester)

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Request a gas safety certificate in CO2 (Colchester)

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

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CO2 (Colchester) in a nutshell

CO2 covers Colchester, in Colchester. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for CO2

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Colchester council area

CO2 is in Colchester's area. Some councils run their own landlord licensing, so it's worth checking theirs.

Where's this from?postcodes.io (ONSPD) local authority
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Give your full postcode

CO2 stretches across Berechurch, Castle, Greenstead and more, so give your full postcode, not just 'CO2', 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 CO2

CO1 · ColchesterCO3 · ColchesterCO4 · ColchesterCO7 · WivenhoeCO5 · ColchesterCO6 · Colchester

← Gas safety (CP12) across Colchester · all areas

Frequently asked questions

Which areas does CO2 cover?

CO2 (Colchester) includes the wards of Berechurch, Castle, Greenstead, Marks Tey and Layer, New Town and Christ Church, Old Heath and The Hythe, Shrub End, Stanway (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to CO2?

Neighbouring districts include CO1 (Colchester), CO3 (Colchester), CO4 (Colchester), CO7 (Wivenhoe), CO5 (Colchester) (ONS Postcode Directory via Doogal). A pro covering CO2 may well cover these too, so it's worth asking.

How many homes are in CO2?

About 13,601 households and 34,768 residents at the 2011 Census, across 944 active postcodes (Doogal / ONS Postcode Directory).

Which council area is CO2 in?

CO2 sits in Colchester (postcodes.io). Parliamentary constituency: Colchester, Harwich and North Essex, Witham.

📊 The numbers behind this page
Postcode district
CO2 1
Areas covered
Colchester 2
Active postcodes
944 3
Households (2011 Census, via Doogal)
13,601 2
Population (2011 Census, via Doogal)
34,768 2
Electoral wards
Berechurch, Castle, Greenstead, Marks Tey and Layer, New Town and Christ Church, Old Heath and The Hythe, Shrub End, Stanway 4
Parliamentary constituencies
Colchester, Harwich and North Essex, Witham 4
Local authority
Colchester 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.