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UrgentCommon in SepRecommended trade: Groundworker

Foundation Cracks

Cracks visible in the foundation walls or signs of foundation movement such as doors sticking and walls cracking.

What Is Causing This?

  • 1Subsidence from clay shrinkage or tree root action
  • 2Inadequate original foundations
  • 3Drainage failure washing away supporting soil

How Urgent Is This?

Urgent

This needs prompt attention. Delaying could cause further damage, safety risks, or significantly higher repair costs.

What Needs to Be Done

A groundworker with structural engineer input will excavate, assess the foundations, and carry out underpinning, piling, or other stabilisation work as needed.

How Much Will It Cost?

£1,366 – £5,000

National average estimate

Labour: £933 – £3,333 | Materials: £433 – £1,667

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Prices are estimates based on typical UK rates. Actual costs depend on the specific issue, accessibility, and your location. All quotes from tradespeople on Tradesfolk are completely free.

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Enter your postcode above to find local groundworkers, or browse all groundworkers.

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How to Prevent This

Manage trees near the property. Fix leaking drains promptly. Maintain consistent soil moisture around foundations during dry periods.

Related Problems

Subsidence Signs

Diagonal cracks appearing around windows and doors, doors sticking, and visible sinking on one side of the building.

Crack in Exterior Wall

A visible crack running through the outside wall of your property, which may be widening over time.

Sagging Floor

A noticeable dip or slope in the floor, where furniture rocks or a ball rolls to one side of the room.

Other Groundworker Problems

Standing Water in Garden After Rain

Pools of water remaining on the lawn, patio, or paths for days after rainfall.

Driveway Not Draining

Water pooling on the driveway surface or running toward the house instead of draining away.

Land Sloping Towards House

The ground around the property slopes toward the building, directing rainwater against the walls and foundations.

Soakaway Not Working

A soakaway that is not absorbing water, causing surface flooding or water backing up in drains.

Frequently Asked Questions

What causes foundation cracks?
Subsidence from clay shrinkage or tree root action. Inadequate original foundations. Drainage failure washing away supporting soil.
Is foundation cracks serious?
This needs prompt attention. Delaying could cause further damage, safety risks, or significantly higher repair costs.
How much does it cost to fix foundation cracks?
Typical costs range from £1,366 to £5,000 depending on severity and location. Get a free quote from a local groundworker on Tradesfolk.
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