Antrim · County Antrim
Subsidence repairs in Antrim
Whatever the ground is like under Antrim, the order of work for subsidence stays the same. Confirm the cause, deal with it, check the movement has stopped, and only then repair the walls so the cracks do not simply return.
Guide price from£2,200per property inc VAT
- Postcodes
- BT41
- Population
- about 20,000
- Area
- County Antrim
- Pricing region
- Northern Ireland
Why does the ground in County Antrim matter for subsidence repairs?
Antrim (BT41) has around 20,000 residents and sits in County Antrim. Nearby, we also cover Ballymena (10 miles), Newtownabbey (13 miles) and Belfast (14 miles).
Shrinkable clay is less common in County Antrim than in south-east England. Historic brine and salt working has caused ground movement in parts of County Antrim in the past. What you mostly find across County Antrim: red-brick terraces in Belfast, Victorian villas, and post-war and newer estates.
Which repair method suits a home in Antrim?
Crack stitching and making good
Once movement has stopped, cracked brickwork is cut along the bed joints, stainless helical bars are bonded in to tie the wall together, and the joints are repointed to match. Inside, plaster is renewed along the crack line before redecoration.
Best for: Category 1 to 3 cracking in walls that are otherwise sound
Remove the cause, then repair
Most subsidence is dealt with this way. The drain is repaired or the vegetation managed, the house is watched to confirm it has stabilised, and then the cracks are stitched, repointed and made good inside. It is the least disruptive route and usually the cheapest.
Best for: Clay movement or drain leaks where the cause can be removed
What happens when we carry out subsidence repairs in Antrim?
Find the cause
An independent chartered structural engineer inspects the house and, where needed, arranges a drain survey, trial pits or soil tests. We can arrange the engineer. The aim is to know what is moving, and why, before money goes on repairs.
Written quote
We price the agreed repair and confirm a fixed price in writing once it is specified. If there is an insurance claim, we can price to the loss adjuster’s or engineer’s schedule instead of our own scope.
Repairs and making good
Cracks are stitched and repointed outside, plaster is renewed along the crack lines inside, and sticking doors are eased. Where the work needs it, we deal with building control and hand over the paperwork.
Signs you may need subsidence repairs
- Cracks that open in summer and partly close again in winter
- Wallpaper rippling or tearing where the wall meets the ceiling
- Doors and windows that start to stick or no longer close
How much will subsidence repairs cost in Antrim?
Guide prices below are for homes in Antrim, on Northern Ireland rates and including VAT. A survey or good photos let us turn them into a fixed written price.
| Item | Guide price | Per |
|---|---|---|
| Structural engineer's investigation and report | £440 – £1,750 | per property |
| CCTV drain survey (common first check) | £130 – £310 | per survey |
| Typical repair once the cause is dealt with: crack stitching and making goodest. | £2,200 – £10,600 | per property |
| Foundation strengthening where it is needed (see underpinning) | £880 – £3,100 | per metre of wall |
Rules for subsidence repairs in Northern Ireland
In Northern Ireland, the Building Regulations (Northern Ireland) 2012 apply and the council’s building control service approves structural work such as underpinning; minor like-for-like repairs usually need no approval. The Party Wall Act does not apply in Northern Ireland, so work to shared walls depends on deeds and agreement with neighbours.
Subsidence repairs in Antrim: questions and answers
What is the price of subsidence repairs in Antrim?
Guide prices for subsidence repairs in Antrim start from about £2,200 per property, including VAT, on Northern Ireland rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you carry out subsidence repairs in Antrim?
We do. Antrim and the surrounding area are covered, including nearby Ballymena and Newtownabbey. A free initial assessment from your photos is the first step.
Does the ground around Antrim cause cracking?
County Antrim is largely basalt over chalk, with soft estuarine 'sleech' along Belfast Lough that is notorious for settlement. Historic salt mining is recorded near Carrickfergus. Only an investigation can say why a particular building has moved.
How do I know if cracks are subsidence?
Subsidence cracks are usually tapered, run diagonally from door and window corners, and show on both faces of the wall. Fine vertical cracks in new plaster are more often shrinkage. An engineer’s inspection, sometimes with monitoring, is the reliable way to tell.
Does subsidence always need underpinning?
No, most subsidence is repaired without underpinning. When a leaking drain is fixed or nearby vegetation is managed, the ground usually stabilises and the house needs only crack repairs. Foundation work is kept for movement that continues after the cause has gone.
More repairs we carry out in Antrim
- Wall tie replacement
- Subsidence insurance claim repairs
- Boundary and garden wall repairs
- Lintel replacement
- Brick arch repairs
Subsidence repairs near Antrim
Get a free initial assessment for subsidence damage in Antrim: send photos or call, and a written quote follows once the repair is specified.