Block Paving Sinking
Sections of block paving that have sunk, creating dips, puddles, and an uneven surface.
What Is Causing This?
- 1Poorly compacted sub-base settling
- 2Water washing away the sand bedding layer
- 3Tree roots disturbing the ground beneath
How Urgent Is This?
This should be fixed in the coming weeks. Leaving it may allow the problem to worsen and cost more to repair.
What Needs to Be Done
A driveway specialist will lift the affected blocks, excavate and re-compact the sub-base, add fresh sand, and relay the blocks level with the rest of the driveway.
How Much Will It Cost?
National average estimate
Labour: £913 – £2,350 | Materials: £608 – £1,863
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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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Ask a QuestionHow to Prevent This
Ensure kiln-dried sand is swept into joints regularly. Direct drainage away from the driveway. Plant trees well away from paved areas.
Related Problems
Cracks appearing in a concrete, tarmac, or resin-bound driveway surface.
Individual patio slabs or sections of paving that have dropped, creating an uneven and sometimes dangerous surface.
Weeds pushing up through cracks or joints in the driveway surface, spreading if not dealt with.
Other Driveway Specialist Problems
Cracks appearing in a concrete, tarmac, or resin-bound driveway surface.
Weeds pushing up through cracks or joints in the driveway surface, spreading if not dealt with.
Dark, greasy stains on the driveway surface from vehicle oil or fluid leaks.
Gravel migrating off the driveway, leaving thin patches, ruts, and bare areas, especially after heavy rain.