Is subsidence covered by landlord insurance? What UK portfolio landlords need to know

Subsidence is one of the few risks on this list that's genuinely an insurable peril in the UK — it's not excluded as wear-and-tear the way damp and mould are. That's the good news. The less comfortable part is what "covered" involves once a claim starts.

It's covered, at a higher excess than the rest of your policy

Standard UK buildings insurance, including most landlord policies, covers subsidence damage to the structure of the property. But it almost always sits behind its own excess, separate from your general buildings excess. The Association of British Insurers (ABI) puts the typical figure at around £1,000 — often higher on a property with any history of movement.

Coverage is narrower than people assume, too. It applies to new, sudden damage — not settlement that predates the policy, and not pre-existing movement. Garden walls, patios, and driveways are usually excluded unless the main structure is damaged at the same time.

The claims themselves are getting bigger

The average subsidence settlement reached £17,820 in Q1 2026, a record, up 9% year-on-year according to ABI figures. That's not a one-off spike. It fits a pattern of more frequent, more expensive dry-spell damage across UK clay-soil regions in recent years. If you've got several properties on clay soil, this isn't a once-in-a-career number — it's sitting across your whole portfolio at once, every dry summer.

Why timing and evidence matter as much as the policy itself

Insurers scrutinise subsidence claims more closely than most other buildings claims. They'll usually want you to get in touch as soon as you reasonably suspect serious movement, and to hold off on major structural repairs until they've assessed it — sometimes with a monitoring period first, to check whether movement is ongoing or has already settled. Report promptly, with a dated record of when conditions turned risky, and you're in a much better position than someone reconstructing a timeline from memory months later.

That's the gap subsidence watch closes: an email the moment soil moisture data for a property's own location crosses a calibrated risk threshold. Not a memory of "it was a dry summer" — an actual dated reading.

What this means in practice

• Check your subsidence excess specifically. It's usually higher than your main excess, and it can vary property to property — don't assume it's the same across your portfolio.
• Report early. The point at which you first had reason to suspect movement matters to an insurer, not just the point cracks became visible.
• Keep dated records. A Property Risk Report turns a season of monitoring into exactly that — dated, sourced entries instead of recollection.
• Take clay soil and mature trees within about 15m seriously at signup, not as checkbox trivia — both increase the odds subsidence watch ever has something to tell you.

This isn't legal or insurance advice — check your specific policy wording, and talk to your insurer or broker about your own excess and claims process. But the risk itself looks similar enough across UK portfolio landlords that it's worth planning for before a dry spell arrives, not during one.

Add your properties and you'll get an alert the moment conditions turn risky, not after.