Cost of Roof Replacement in Merton (2026)
If you're looking at roof replacement in Merton right now, you should be seeing quotes in the £6,100 to £17,080 range per roof. That's based on current Greater London contractor rates and the wider UK market. Anything well outside those numbers is worth questioning before you sign.
About roof replacement in Merton
Merton is a large city of around 206,000 in Greater London. The housing is mostly South West London housing leans Victorian and Edwardian with pockets of 1930s semis and modern flats. That matters: older properties usually mean more pipework, rewiring and retrofit surprises, while newer builds in districts like SW19, SW20 tend to be quicker jobs with standardised fittings. Local trade prices sit on the expensive side for UK trade work. That's mostly wage levels plus the cost of running a van and a yard in and around Greater London.
London's the deepest trade market in the country, and also the priciest. ULEZ, congestion charge, parking permits, higher van insurance — it all feeds into the day rate. Most decent firms charge a callout and central boroughs run a clear premium over zones 4 and 5. Book two to three weeks ahead if you can.
Building jobs are labour-heavy, and materials have moved fast — brick, timber, steel, insulation and board are all 20 to 40 percent up on pre-2022. FMB and TrustMark are your best signposts for a proper builder. On anything bigger than a loft conversion, get a Building Control officer involved from day one; fixing non-compliance later costs a fortune.
Roof Replacement cost breakdown in Merton
Standard 3-bed semi, concrete tile strip and re-lay
3-bed with new felt, battens and leadwork
Natural slate roof, multiple gables, full trim renewal
What affects the price of roof replacement in Merton?
- Roof size and pitch
- Tile type (concrete, slate, clay)
- Scaffolding duration
- Felt and batten replacement
- Leadwork, fascia and soffit renewal
Merton vs the UK average
Merton sits in the building & construction market at a cost multiplier of 1.22× the UK national average. That puts Merton roof replacement prices at £6,100–£17,080 versus the UK average of £5,000–£14,000 per roof.
Roof Replacement cost calculator — Merton
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What's typically included in a roof replacement quote
- Scaffolding
- Strip and dispose of old roof covering
- New felt, battens and tiles
- Leadwork and ridge
- Building Control where required
Frequently asked questions
How much does roof replacement cost in Merton?
Budget £6,100 to £17,080 per roof for roof replacement in Merton. Prices here are around 22% more expensive than the UK average. What moves a quote inside that range is mostly building contractor day rates in Greater London and the specific material list for your job.
How long does roof replacement take in Merton?
A straightforward roof replacement job in Merton runs to 5–10 days. You can lose days to things outside the contractor's control — parts on backorder, awkward access, or a firm slotting your job around existing bookings. Ask for a start date and expected finish up front.
What's included in the price of roof replacement in Merton?
A proper roof replacement quote in Merton should cover: Scaffolding; Strip and dispose of old roof covering; New felt, battens and tiles; Leadwork and ridge; Building Control where required. If any of those aren't itemised on your quote, push back and ask. A written guarantee with a clear warranty period is reasonable to expect on this kind of work.
Is roof replacement cheaper in Merton than the UK average?
Roof Replacement in Merton runs around 22% more expensive than the UK average. The UK-wide benchmark for this job is £5,000 to £14,000 per roof; Merton quotes tend to land between £6,100 and £17,080. Handy to know what the average actually looks like before you price round.
Do I need planning permission for roof replacement in Merton?
Most roof replacement jobs don't need planning permission, but Building Regulations and any manufacturer or trade-body sign-off still apply. If the property sits in a conservation area or is listed, ring Greater London Council before you book anything in. It's a free call and saves a world of grief later.
See all roof replacement prices across the UK or browse all tradespeople costs in Merton.