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Gas safety certificate (CP12)

Gas safety certificate (CP12). Every year, for every let home.

A gas safety check is a Gas Safe registered engineer testing every gas appliance, flue and pipe in the home. Landlords need one every year. Anyone buying a home with gas heating should know it is safe.

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  • Gas Safe registered engineers
  • Every appliance and flue tested
  • The CP12 landlords must keep
A gas engineer Homie checking a wall boiler with a red pressure gauge
  • 46%of our survey reports rate gas 3 and refer it for testing
  • 12 monthsbetween checks for a rental
  • 28 daysto give tenants a copy
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The short answer

Gas safety certificate, in 30 seconds

What it is
A Gas Safe registered engineer checks every gas appliance, flue and the pipework for leaks and safe working.
Who needs one
Landlords, every year, with a copy to tenants. Homeowners, as good practice and when buying.
The certificate
A record of each appliance, its checks and anything unsafe. Landlords keep it for two years.
Why surveyors flag it
A building surveyor cannot test gas, so they refer it to a Gas Safe engineer.

From our panel’s reports

Gas referred for testing, by age of home

How often our surveyors rated the gas supply 3 and referred it to an engineer, by when the home was built.

  • Before 1919 40%
  • 1919 to 1944 42%
  • 1945 to 1979 40%
  • 1980 to 1999 35%
  • 2000 and later 20%

Share of our panel’s reports that rated gas/oil 3, by when the home was built.

How it works

How it works

  1. 1

    Book a slot

    Tell us the address and the gas appliances.

  2. 2

    The engineer checks

    Usually under an hour.

  3. 3

    Get the CP12

    Keep it, and give tenants a copy within 28 days.

FAQ

Gas safety certificate: your questions

What is a CP12?

The common name for a landlord gas safety record, issued after a Gas Safe registered engineer’s annual check.

How often do landlords need one?

Every 12 months, for every gas appliance and flue they provide. Tenants must get a copy within 28 days.

Do homeowners need one?

It is not a legal requirement for owner-occupiers, but a yearly check is sensible, and buyers should ask for the last one.

What happens if something fails?

The engineer can disconnect an unsafe appliance and will tell you what needs fixing.

What does it cost?

A fixed price online before you book.

Near you

Gas safety certificate near you.

Local Gas safety certificate pages for every big town and city we cover.

Every area

Also from our surveyors

Other surveys and valuations

Ready when you are.

Gas safety certificate, booked online and tracked in your Homemove dashboard.

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