How much does a new roof cost in Merthyr Tydfil (2026)?
Most terraced houses in Merthyr Tydfil cost £5,500–£9,000 to re-roof in concrete tiles. Here’s what affects the price and what a fair quote includes.
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Last updated 27 October 2026
Short answer: a full re-roof in Merthyr Tydfil usually costs £5,500–£9,000 for a terraced house, £7,000–£11,000 for a semi and £10,000–£16,000 for a detached house in concrete tiles, including scaffolding and VAT. Natural slate adds 30–50%.
New roof prices by house type
| Job | Typical price |
|---|---|
| Terraced house, concrete tiles | £5,500–£9,000 |
| Semi-detached house, concrete tiles | £7,000–£11,000 |
| Detached house, concrete tiles | £10,000–£16,000 |
| Natural Welsh or Spanish slateWelsh slate costs most | Add 30–50% |
| Bungalow, concrete tilesBigger roof area per floor | £7,500–£13,000 |
Typical prices from local roofers in Merthyr Tydfil, including VAT, last reviewed October 2026. A guide only: the roofer’s written quote is what you pay.
Price per square metre by material
Roofers usually price the whole job, but per-metre figures help when you compare materials. They include stripping, membrane, battens and fixing, but not scaffolding.
| Job | Typical price |
|---|---|
| Concrete interlocking tilesMost common on post-war houses | £80–£120 per m² |
| Clay tiles | £100–£150 per m² |
| Spanish natural slateCommon choice for older terraces | £110–£170 per m² |
| Welsh natural slateLongest life, highest cost | £150–£250 per m² |
Typical prices from local roofers in Merthyr Tydfil, including VAT, last reviewed October 2026. A guide only: the roofer’s written quote is what you pay.
What a re-roof price should include
- Scaffolding for the length of the job, usually front and back
- Stripping the old covering, battens and felt, and taking it away (skip or grab lorry)
- A breathable roofing membrane and new treated battens
- The new tiles or slates, with ridge and hip tiles, mortar-bedded or dry-fixed
- New lead flashing at the chimney and walls, and lead or GRP valleys
- Making good at the eaves, including eaves protection under the bottom course
- A written guarantee for the workmanship, and the manufacturer’s warranty
What pushes the price up
- Rotten timbers. Rafters or boards that need replacing can only be priced once the old roof is off. A fair quote gives a rate per item.
- Chimneys. Rebuilding or repointing a stack while the scaffold is up adds £300–£3,500, but is cheaper than doing it later.
- Access. Steep Merthyr streets, narrow lanes and three-storey backs need more scaffolding.
- Dormers, valleys and hips. More cuts and lead work mean more labour.
- Roofline. New fascias, soffits and gutters at the same time add £1,500–£4,500, but save a second scaffold.
How to compare quotes
Put the quotes side by side and check they cover the same things: scaffolding, membrane type, ridge fixing, lead work, timber allowance, waste removal and guarantee. A good roofer will explain any differences. Be wary of large deposits: 10–20% for materials is normal on a big job, never the full amount up front.
Not sure whether you need a new roof at all? Read our guide to repairing or replacing a roof, or see new roofs in Merthyr Tydfil. If your house is in a conservation area, check our planning permission guide first.
New roof costs: questions people ask
How much should a new roof cost in the UK?
Across the UK most re-roofs cost £5,000–£16,000, and London and the South East are 15–30% dearer. In Merthyr Tydfil and the valleys, prices sit at or just below the national middle: about £5,500–£9,000 for a terraced house in concrete tiles.
How much does a new roof cost in South Wales?
For a terraced house in Merthyr Tydfil, a new concrete tile roof usually costs £5,500–£9,000, including scaffolding and VAT. Semi-detached houses are typically £7,000–£11,000 and detached houses £10,000–£16,000. Natural slate adds 30–50%.
How much does it cost to reroof a 3 bedroom house?
A three-bed semi in Merthyr Tydfil usually costs £7,000–£11,000 in concrete tiles, or £9,500–£15,000 in natural slate, including scaffolding, a new breathable membrane, battens, ridge and lead work, and VAT. A three-bed mid-terrace is usually £5,500–£9,000 in tiles.
What is the warranty on a new roof?
There are usually two: the roofer’s workmanship guarantee, often 10 years, and the manufacturer’s warranty on tiles, slates or membrane, which can be 15–30 years or more. Get both in writing. An insurance-backed guarantee covers you if the roofer stops trading, and is worth asking about on big jobs.
What is the cheapest time of year to get a new roof?
Late autumn to early spring is quieter for roofers, so you may get a better price or an earlier start. The trade-off is weather: short days and rain mean more delays, and some materials, such as GRP, need dry, mild conditions. Spring and summer are busiest.
Can I get a government grant for a new roof?
There is no general grant for a new roof in Wales. Merthyr Tydfil County Borough Council may be able to offer an interest-free home improvement loan, through a Welsh Government scheme, for repairs that make a home safe and weathertight. Help with insulation and heating, through schemes like Nest, does not usually cover the roof covering itself. Ask the council’s housing team what is available and who qualifies.
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