UK roof slope with one slipped tile exposing the dark felt beneath, seen from ground level

Missing or slipped tiles: fix them before the rain does

One gap in the tiles puts your roof's last line of defence on the clock. Here is why it matters and what the fix costs.

Quick answer: a missing or slipped tile exposes the felt beneath, which was designed as a backup, not a roof, and old felt degrades fast once the sun gets at it. Replacing a handful of tiles costs £150 to £400 in 2026, per our roof tile replacement cost guide. Fix it in weeks, not seasons.

What you're seeing

A dark rectangle where a tile should be, a tile sitting visibly lower or askew against the straight lines of its course, or fragments of tile in the garden and gutters after wind. From ground level with binoculars or a phone zoom you can usually see whether the gap shows dark felt (backup still in place) or daylight through to the battens (worse).

Why one tile matters

Under the tiles is a layer of felt or membrane. When a tile goes, that layer becomes the only thing between your loft and the weather, and it was never meant for the front line. On older roofs the felt is bitumen-based, brittle with age, and ultraviolet light breaks it down quickly once exposed: months of sun can do what decades under the tiles could not. Meanwhile wind now has an edge to work on, rocking and lifting the neighbouring tiles whose fixings are the same age as the one that failed. That is how one gap becomes three, then a leak, then a stained ceiling.

Why tiles slip in the first place

Corroded or snapped fixings. The most common cause. Nails and nibs age in batches, which is why one slip is often the first of several.
Storms. Wind gets under the tile edge and works it loose; a single gust can strip a weakened course. See storm damage.
Foot traffic. Aerial installers, window cleaners and previous repairs crack tiles that let go later.
Failed battens. Rot in the timber the tiles hang on, usually secondary to a longstanding leak.

What to do now

Photograph the roof from the ground, with the date visible in your camera roll, especially if a named storm has just been through: that record is the difference between an insurance claim that pays and one that stalls. Pick up broken tile from paths and drives. Do not climb up; the tile is not going anywhere faster than you could fall. Then book a roofer for a normal-hours visit; this is rarely an emergency callout unless water is already coming in, in which case follow the leaking roof steps.

The proper fix and what it costs

A roofer will replace the missing tiles, re-fix any loose neighbours, and check the surrounding courses and felt while up there. Expect £150 to £400 for a handful of tiles in 2026; a single-tile visit rarely comes in under £150 because access and the callout minimum dominate the price, not the tile. The full breakdown, including matching old tiles, is in the roof tile replacement cost guide.

Insurance angle: if a storm dislodged the tiles, your buildings insurance should cover the damage; if they slipped through age, it will not. The date-stamped photos you took, matched against weather records, decide which story the claims handler believes. Our insurance and roof leaks guide covers how to run the claim.

Prevention

Scan the roofline from the street after every big blow; it takes thirty seconds and catches problems while they are still cheap. If tiles are slipping in ones and twos every year, the fixings across that slope are reaching end of life together, and it is worth pricing a re-fix or partial re-roof rather than paying a callout each time. A roof inspection will tell you honestly which side of that line your roof is on.

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Slipped tile FAQs

Missing tile questions, answered

Yes, more than it looks. The felt or membrane underneath is now the only thing keeping water out, and it was designed as a backup, not a roof. Sunlight degrades exposed old felt quickly, wind works on the neighbouring tiles, and a £150 to £400 fix left for a year can become a leak, wet timbers and a stained ceiling.

Replacing a handful of slipped or broken tiles costs £150 to £400 in 2026. A single-tile visit rarely comes in under £150 because access and the roofer's callout minimum dominate the price, not the tile itself. Full details are in our roof tile replacement cost guide.

Usually because the nail or the nib holding the tile has corroded or snapped, often helped by wind rocking the tile over years. On older roofs, fixings fail in batches as they reach the same age, which is why one slipped tile is often the first of several. Storms, foot traffic and failed battens do the rest.

Only if a specific storm dislodged them. Insurers cover sudden storm damage but exclude wear and tear, so tiles that slipped because 40-year-old nails corroded will not be paid for. Photograph the roof and note the date of the storm, and see our insurance and roof leaks guide before claiming.

Working at height on a pitched roof without scaffolding or proper access equipment is how most roofing injuries happen, and a botched tile swap can crack the neighbouring tiles. Given a professional visit costs from around £150 and comes with the rest of the roof checked at the same time, DIY rarely makes sense.