What is a Gas Safety Certificate?

A Gas Safety Certificate - also know as a CP12 - is an official document issued by a Gas Safe registered engineer after inspecting gas appliances, fittings and flues to ensure they are safe and legally compliant.

Who needs a Gas Safety Certificate?

  • Landlords: Legally required in many countries (e.g., UK) to have annual gas safety checks in rental properties.

  • Homeowners: Not legally required, but advisable for safety and insurance purposes.

What does the Certificate cover?

  • Gas appliances (boiler, oven, fire)

  • Pipework and flues

  • Ventilation

  • Safety devices and controls

  • Pressure and gas tightness checks

How often is it required?

  • Annually for rental properties and commercial use

  • After installation or major repairs

Details on the Certificate

  • Engineer's name and registration number

  • Date of inspection

  • Property address

  • Description and condition of each gas appliance

  • Any faults or actions taken

Why is a Gas Safety Certificate important?

  • Legal compliance (for landlords)

  • Protects tenants/customers

  • Reduces risk of carbon monoxide poisoning

  • Supports insurance validity