How Much Does a Radiator Installation Cost in the UK? (2026 Guide)
The UK average cost of a radiator installation is between £150 and £500 for a 3-bedroom home.
Prices vary by up to 40% depending on your region. Select your area below for local estimates.
Supply and fitting of a new radiator including valves and connection to existing pipework. 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 radiator installation 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.
Get Free Radiator Installation Quotes in your area
Compare prices from up to 3 vetted, local tradespeople. No obligation, completely free.
Get My Free QuotesTakes 30 seconds. Trusted by 50,000+ UK homeowners.
Radiator Installation in the UK: Frequently Asked Questions
How much does it cost to add a new radiator?
Adding a new radiator to an existing system costs £200-£500 including the radiator and fitting. Replacing an existing radiator on the same pipework is cheaper at £150-£300. Designer or vertical radiators cost more.
Can my boiler handle an extra radiator?
Most modern boilers can handle 1-2 additional radiators without issues. If you are adding multiple radiators, ask your installer to check the boiler's output matches the total heat demand.