Describe your cracks
leeds subsidence

Concrete cracking in Leeds

Cracked concrete floor repair in Leeds

Send details of the cracks you have noticed and find out whether they point to ground movement. A specialist will assess what is happening at your home, and asking costs nothing.

Describe the cracking Read the guides first

How specialists handle concrete cracking in Leeds

Each job starts with measuring what has moved and why. The right repair follows that evidence, so a specialist only recommends work the ground conditions actually require.

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    Subsidence Help in Leeds

    A subsidence surveyor examines the cracks, checks the soil beneath your home and determines whether the concrete floor is moving because of ground loss or simple shrinkage.

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    Underpinning in Leeds

    Where the ground cannot support the existing slab, an underpinning contractor excavates below the foundations and pours new concrete to transfer the load to stable soil.

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    Resin Injection in Leeds

    A resin injection technician pumps expanding material beneath a sunken garage floor or extension slab to fill voids, compact loose soil and lift the concrete back to level.

  • a large building with a green and white sign in front of it

    Screw Piling in Leeds

    On made ground where traditional footings fail, a piling firm drives steel helical piles deep into load-bearing strata to support a new or existing concrete slab.

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Reading the cracks

What the cracks in your home mean

Concrete floor crack causes range from harmless drying shrinkage to soil washing away beneath the slab. The shape and location tell a specialist which one applies.

  • Hairline surface crazing Fine lines across the surface usually mean the concrete dried too fast.
  • Straight through-cracks A clean break across a slab often points to settlement or sub-base failure.
  • Diagonal corner cracks Cracking near one corner suggests the ground beneath that spot has dropped.
  • Stepped cracks in blocks Garage walls built from blockwork crack in steps when the footing moves unevenly.
  • Slab edge separation A gap between an extension slab and the house indicates differential movement.

Typical costs for concrete repairs around Leeds

The price of any repair depends on how much concrete has moved, what caused it and how deep the unstable ground runs. A small area of surface crazing needs little intervention, while a sunken slab sitting on washed-out hardcore requires extensive stabilisation before any lifting begins.

  • Epoxy filling hairline cracks

    £150 - £400

    Number of cracks and whether the surface needs grinding before the resin bonds properly.

  • Cracked driveway concrete repair

    £800 - £2,500

    Area affected, depth of the existing slab and condition of the sub-base underneath.

  • Resin injection floor lifting

    £1,500 - £4,500

    Depth of the void, weight of the slab and how far the concrete has dropped from level.

  • Replacing a sunken garage floor

    £3,000 - £7,000

    Size of the garage, disposal of old concrete and whether drainage needs rerouting first.

  • Underpinning an extension slab

    £6,000 - £15,000

    Length of wall affected, depth to competent soil and access for excavation machinery.

These figures indicate what work of this type typically costs. Nothing here is a quotation. Only a site inspection can settle a figure for your home.

Before any work starts

What a specialist measures at your home

A structural surveyor uses precise levels to map exactly how far a floor slab has dropped. They compare readings across the room to build a picture of where the ground is failing and where it remains stable.

They check drains and service pipes for leaks, since escaping water washes fine particles out of the sub-base. A leaking pipe beneath a kitchen extension is a frequent cause of floor slab settlement in an extension.

Soil samples reveal whether the ground is reactive clay that shrinks in summer, or made ground left over from old industry. That determines whether resin injection or screw piling suits the site better.

Crack monitors track whether a fracture is still widening or has stopped moving. Repairing a slab that is still shifting wastes money, so a specialist waits until the cause is addressed first.

Questions about cracked concrete floors in Leeds

Homeowners ask these things when they first notice cracking. Here is what the evidence usually shows.

Are hairline cracks just the concrete curing?
If the lines are thin, shallow and appeared within the first year, they are likely shrinkage. Wider cracks that run through the full thickness suggest the ground beneath has shifted.
My extension slab dropped at one corner
A corner dropping usually means the soil there has compacted or washed away. A specialist measures the fall and checks nearby drains before recommending resin injection or underpinning.
Is a drive crack from ground movement or wear?
Wear creates surface spalling. Ground movement produces cracks that run through the full depth of the slab and widen over time, especially near the edges where the sub-base ends.
Can resin injection lift a sunken floor?
Expanding resin fills voids and compacts loose soil, lifting a dropped slab back towards its original level. The material cures hard and resists compression for decades once the underlying cause is fixed.
How much mess does the repair involve?
Resin injection requires small drilled holes rather than excavation, so disruption stays low. The specialist advises how long the floor needs to remain clear before it can take weight again. Full slab replacement involves removing the old concrete and takes longer.
Would buildings insurance cover this?
Insurance covers cracking caused by subsidence. It does not pay for wear and tear or poor original construction. A specialist report confirming ground movement is needed before a claim proceeds.

Areas covered around Leeds for concrete cracking

Specialist firms take on work across the city and its surrounding towns. Whether your home sits on clay in the north or made ground closer to the river, surveyors operate throughout the region.

If your street is not listed, send an enquiry anyway. Coverage extends further than the names shown here.

Ask about the cracks in your home

Describe what you have seen and where it is. A specialist will review the details and advise whether the cracking needs a site visit. Sending an enquiry does not commit you to any work.

  • No obligation to proceed
  • Free initial assessment
  • Local specialists only

What you tell us goes to one independent subsidence specialist covering Leeds, and that specialist may pay us for the introduction. You are charged nothing by this website, seeking further quotations is entirely up to you, and our privacy notice explains in more detail how your details are handled.

Prefer email? Write to hello@leedssubsidence.co.uk