Subsidence causes

Question

Can subsidence be caused by a failing or damaged drain. How can I tell if it is a drain that is at fault or something else. Also, if it is due to the drainage, how is the property made stable.

Simon · Accepted Answer

Yes subsidence can be caused by a failed drain. Storm or sewer. Usually due to collapse, or break. Replace or repair. Replace lost ground with concrete surround, if close to property affected.

Chloe · Answer

Yes, subsidence can indeed be caused by a failing or damaged drain, as leaks from broken pipes can wash away or soften the soil beneath your property, leading to ground movement. To determine if a drain is at fault, look for signs such as damp patches, unusual smells, or slow drainage, and consider a CCTV drain survey to identify any issues. If drainage is confirmed as the cause, the first step is to repair or replace the damaged pipes. Once the leak is fixed, a structural engineer may recommend underpinning or other stabilisation methods to support the foundation and prevent further movement.

Gary · Answer

Drainage cctv will be the answer and if that is the cause.

The property would need under pinning

Ryan · Answer

Good afternoon, damaged drainage can make subsistence happen your would need a drainage survey which we can do to locate any defects on the near by drainage if not caused my drainage depending on the subsidence there are number of things that could be done to prevent it happening any more 

Thanks Ryan

Nicky · Answer

Yes, water flow from drain can wash away the fines in the muck under the foundations causing it to drop slightly

Subsidence causes

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