How Much Does a Gas Safety Certificate Cost in the UK? (2026 Guide)
The UK average cost of a gas safety certificate is between £30 and £80 for a 3-bedroom home.
Prices vary by up to 40% depending on your region. Select your area below for local estimates.
Annual gas safety inspection and certificate (CP12) covering all gas appliances in the property. The total cost depends on your location, property size, and the complexity of the work. Labour costs in London and the South East are typically 20-40% higher than the national average, while the North East, Wales, and Scotland tend to be 10-20% lower.
Cost Calculator
Estimated gas safety certificate costs in the UK, adjusted for local labour rates.
Estimates based on a 3 bed semi-detached property in the UK. Labour rates reflect the local cost of living. Materials are priced at national averages. Always obtain at least 3 quotes from local tradespeople.
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Gas Safety Certificate in the UK: Frequently Asked Questions
Do I legally need a gas safety certificate?
Landlords must have an annual gas safety check by law (Gas Safety (Installation and Use) Regulations 1998). Homeowners are not legally required to have one, but an annual check is strongly recommended for safety and can help maintain your boiler warranty.
What does a gas safety check involve?
The engineer will inspect all gas appliances, check for gas leaks, test flues and ventilation, verify flame picture and gas pressure, and check safety devices. The full inspection takes 20-40 minutes depending on the number of appliances.