The short answer
A clay tiled roof is usually quoted at 40 to 60 years and a concrete one at 30 to 50 years, according to MyBuilder in 2026, though other sources put both higher. These are typical ranges, never a promise. The tiles often outlast the underlay, battens and fixings beneath them, so the age of a roof depends on the whole assembly.
Published lifespans for clay and concrete tiles
MyBuilder's 2026 slate roof guide gives clay tiles 40 to 60 years and concrete tiles 30 to 50 years. Marley, which makes both clay and concrete tiles, gives 60 years as the BRE's minimum life expectancy for clay and about the same for its own concrete tiles, then stresses that this is not a guarantee or warranty of longevity. CORC, a roofing materials guide, is more generous again: 100 years or more for well-maintained clay and 50 years or more for concrete.
The spread is real, and we would rather show it than pick a flattering number. Building Conservation Directory argues that the familiar 60-year figure for clay is a poor guide, since plenty of clay roofs have lasted for centuries. Where a figure sits in these ranges depends on exposure, the quality of the original tile, how well it was laid and whether anyone has looked after it since.
| Covering | Typical life quoted | Source |
|---|---|---|
| Clay tiles | 40 to 60 years, or 100 years or more if well maintained | MyBuilder, 2026; CORC |
| Concrete tiles | 30 to 50 years, or around 60 | MyBuilder, 2026; Marley |
| Synthetic or fibre-cement slate | 30 to 50 years | MyBuilder, 2026 |
The parts under the tiles that age sooner
When a roof is said to have worn out, the tile is not always the culprit. Beneath the covering sit the underlay, a membrane stretched across the rafters to catch whatever gets past the tiles, then the timber battens the tiles hang from and the nails or clips holding each tile on. How long underlay lasts varies with the product and how well the loft is ventilated, so it is judged on inspection. These parts are hidden, though, and a tired one can bring down a slope of sound tiles.
Underlay and battens
Old felt underlay can split, curl at the laps or tear where it has been stapled. Battens soften where water has reached them, and a rotten one lets a row of tiles drop. If you have a tiled roof with tiles slipping in lines, our answer on why roof tiles slip and how they are refixed sets out what we check.
Fixings and ridges
Nails corrode, and tile clips can loosen. Along the ridge, hips and verges, A ridge finished to current practice has more than bedding holding it up, because BS 5534:2014 expects metal fixings alongside the mortar. In MyBuilder's 2026 slate guide a ridge re-bedded or re-tiled is priced at £300 to £600, a modest sum beside a stripped slope.
What shortens or extends a tiled roof's life
Four things move a roof towards the short or long end of any range. Workmanship comes first: tiles laid with the right headlap, correct gauge and proper fixings last longer than the same tiles laid carelessly. Pitch matters, because a tile used below its manufacturer's minimum pitch lets water run back under the laps. Our answer on the minimum pitch for roof tiles gives the published figures.
Ventilation and condensation are the third factor. A loft that cannot breathe stays damp and attacks battens and rafters from underneath, and BS 5250 sets out how cold roofs are ventilated. The fourth is maintenance. Moss that holds water on the tile, blocked valleys and gutters that overflow behind the fascia all add up. Scraping moss off by hand runs at about £5 to £10 per m² in MyBuilder's 2026 cleaning guide, which also warns that a pressure washer may damage delicate tiles.
Signs your tiled roof is nearing the end
From the ground you can see tiles out of line, gaps in the courses, a sagging ridge line, tile fragments in the gutter and a roof surface that looks flaky or crumbly. In the loft, daylight through the covering, dark staining on the underlay, wet battens and droplets of condensation are all worth noting.
One cracked tile is not a sign of a failing roof. A scatter of cracked or slipped tiles across a whole slope, with soft battens beneath, usually is. If you are unsure whether a single broken tile can simply be swapped, read how one cracked roof tile is replaced. And if you are deciding between clay and concrete for a replacement, see the comparison of roof tile types.
Repair, patch or replace: how we judge it
A survey separates the tiles from the structure holding them. We photograph the slopes, the ridge, the valleys and the underside in the loft, so you see your own roof, not a stock picture. Where the tiles are sound but the underlay and battens have failed, the tiles can come off, be sorted and go back on fresh timber and membrane. Where the tiles themselves are laminating or crumbling, a full replacement covering is the likelier route, and the quote can cover each route.
A roof survey is quoted at £150 to £500 in MyBuilder's 2026 inspection guide. Once ours is done, the written quote sets out access, materials, labour and clearing away. A new covering that weighs 15% more than the old, or beyond, needs a structural check and Building Regulations approval, which we explain and notify where required. You also get a 10-year workmanship guarantee on paper, and nothing is left on the drive when we go.
The practical question is rarely how old the roof is. It is whether the next ten years of repairs cost more than renewing the failing parts now, and a clear photographic record of the slopes, ridge, valleys and loft underside lets you weigh that calmly. For repairs and re-roofing more widely, see our pitched roofing page.