Roof Installation Costs & Options in the UK 2026
Roof installation typically costs £5,000–£12,000 for a standard UK home in 2026, depending on size, pitch and the covering you choose. Unlike simply replacing a worn-out roof, a full installation lets you rethink the covering, insulation and detailing from the battens up. The right choice balances upfront price against lifespan, weight and how your property looks. This guide walks through the process, the material options and exactly what a fair quote should spell out.
Roof installation costs in 2026
| Roof type / job | Typical cost (2026) | Notes |
|---|---|---|
| Re-roof a terraced house, concrete tiles | £5,000–£7,500 | Strip and re-cover a small pitched roof, new felt and battens included. |
| Re-roof a semi-detached, clay tiles | £7,000–£10,000 | Larger area plus heavier, longer-lasting clay tiles push the price up. |
| New pitched roof, detached home, natural slate | £9,000–£12,000+ | Premium covering and more complex detailing on valleys and hips. |
| Flat roof covering, single-storey extension | £1,500–£4,000 | EPDM rubber or fibreglass (GRP) over a warm-deck build-up. |
| Structural work, new trusses or scaffolding | £1,000–£4,000 add-on | Charged on top when timbers, access or a full scaffold tower are needed. |
Pitched vs flat roofs: choosing a covering
Pitched roofs shed water quickly and suit most UK homes, with concrete and clay tiles giving 40–60 years of service and natural slate often lasting a century. Flat roofs are cheaper per square metre and ideal for extensions, dormers and garages, but the covering does the heavy lifting: modern EPDM rubber and GRP fibreglass systems now outlast the old felt-and-chippings approach by decades. The decision usually comes down to the shape of the structure below, planning constraints and how the finish sits against the rest of the property.
New-build vs re-roof: what changes the price
On a new build or extension the roofer works to fresh, level timbers, so labour is predictable and the covering goes straight on. A re-roof is less certain: once the old covering is stripped, hidden rot in rafters, sagging purlins or perished felt can appear and add to the bill. Access matters too — a two-storey semi on a tight street needs more scaffolding than a bungalow. Getting a physical survey before you commit is the single best way to avoid mid-job surprises on price.
What a roof installation quote should include
A quote you can trust itemises the covering and its warranty, new underlay and treated battens, ridge, hip and valley details, and any lead flashing around chimneys or abutments. It should state whether scaffolding, waste removal and VAT are included, give a clear start date and duration, and confirm the workmanship guarantee. Be wary of a single lump sum with no breakdown — reputable roofers are happy to show exactly where your money goes, which makes comparing three quotes far easier.
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