What Is a Gas Safety Certificate

What Is a Gas Safety Certificate — and Why Do You Need One?

A Gas Safety Certificate (also known as a CP12) is an official document issued by a Gas Safe registered engineer after inspecting the gas appliances, pipework and flues within a property.
The inspection ensures that:
Once the checks are completed, a certificate is issued confirming whether the installation meets current safety standards.

Why Is It Required?

If you are a landlord, a valid Gas Safety Certificate is a legal requirement and must be renewed every 12 months. You are also required to provide a copy to:
For homeowners, while not legally mandatory, an annual gas safety check is strongly recommended to protect your household from carbon monoxide poisoning, gas leaks and appliance failure.

Protecting People and Property

Gas appliances, if not properly maintained, pose serious risks. Regular certification:

Safe gas systems aren’t optional — they’re essential.

Scroll to Top