Building & home improvement cost guide
Roof Replacement Cost Calculator UK
Estimate roof replacement costs by roof area, finish and UK region and understand the main quote variables. These figures are planning guidance rather than a supplier quotation.
Example for a 70 m² roof with a standard finish in Norfolk or Suffolk.
Adjust it for your project
JobPrice uses a baseline of £115–£240 per m², with a minimum project allowance, before regional and finish adjustments.
Calculate my roof replacement costWhat changes the price?
- Tile, slate or membrane specification
- Scaffolding and safe access
- Timber repairs and insulation upgrades
- Leadwork, valleys, gutters and rooflights
- Waste removal and weather protection
Before comparing quotes
- Confirm the measured roof area rather than floor area.
- Ask for scaffolding and disposal to be itemised.
- Check the allowance for hidden timber repairs.
Compare the same scope, specification and exclusions across every quote. Keep a contingency for changes and hidden conditions.
How to build a reliable roof replacement price
JobPrice uses a baseline of £115–£240 per m², with a minimum project allowance, before regional and finish adjustments.
Use measured quantities and a written specification, then compare the same inclusions, exclusions and finish level across every contractor quote.
Method note: JobPrice benchmarks are broad planning models, not live supplier quotes. Confirm current local rates, tax, regulation, access and the final specification. Read the full pricing methodology.
How is the roof replacement estimate calculated?
JobPrice uses a baseline of £115–£240 per m², with a minimum project allowance, before regional and finish adjustments.
Is this roof replacement range a final quote?
No. It is an early planning range. A final quote should use the exact scope, current local rates, applicable tax, access conditions and any legal or professional requirements.
How can I get a more accurate roof replacement price?
Use measured quantities and a written specification, then compare the same inclusions, exclusions and finish level across every contractor quote.