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Compare collapsed drain repair quotes

A dip in the lawn, a sinking patio or a drain that simply will not clear usually means a pipe has failed structurally. Compare repair quotes from up to 3 verified local specialists — with the survey evidence your insurer will want.

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Excavated trench in a UK garden exposing a collapsed clay drainage pipe
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A collapse is not a blockage. The pipe has lost its shape or broken apart, so water escapes into the ground and soil washes back into the pipe. The surface symptoms follow: a soft dip in a lawn, a driveway that sinks in one spot, cracking that appears in a wall near a drain run, or a drain that is jetted clear and blocks again within days.

Most buildings insurance covers this

Sudden drain collapse and the resulting subsidence are covered by most buildings policies, and the accidental damage section often covers underground services. What insurers require is evidence: a CCTV survey with a written report locating the failure and stating the cause. Get the survey done before any excavation starts.

Typical cost

£1,200–£5,000+

Depends on depth, access and how much surface has to be reinstated; often insurable

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What’s involved

Collapsed Drain Repair

CCTV survey and locate

The run is filmed and the failure located and depth-recorded from the surface, so the excavation is a metre of trench in the right place rather than a garden dug up on guesswork.

Excavate and replace

The failed section is dug out and replaced in new pipe on a proper bed and surround. Where the collapse is partial, relining from an existing chamber may avoid digging altogether.

Reinstate and evidence

Surfaces are made good — turf, slabs, block paving or tarmac — and you get post-works footage and a report for your insurer and for any future sale.

FAQs

Collapsed Drain Repair questions

How do I know if my drain has collapsed?

The usual signs are a drain that reblocks within days of being cleared, a soft dip or sinkhole appearing in a lawn or driveway above a drain run, slow drainage that no amount of rodding fixes, and sometimes cracking in nearby walls. Only a CCTV survey confirms it — and the same footage is what your insurer will ask for.

Can a collapsed drain be repaired without digging?

Sometimes. If the pipe has cracked or partly deformed but still holds its line and bore, a structural liner cured in place can rebuild it from the inside with no excavation. A full collapse, where the pipe has lost its shape or separated, has to be dug out and replaced. The survey tells you which you have.

Not quite what you need?

These are the closest related services.

Drain repairs Drain relining (no-dig) CCTV drain survey Drain repairs & insurance

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