Abercarn · Gwent
Brick arch repairs in Abercarn
Before repairing a brick arch at a Abercarn property, we check what sits behind it. A rotting timber lintel on the inner face is a frequent hidden cause, and fixing only the visible arch would leave the real problem in place.
Guide price from£370per arch inc VAT

- Postcodes
- NP11
- Population
- about 10,000
- Area
- Gwent
- Pricing region
- Wales
Is Gwent prone to ground movement?
Abercarn (NP11) has around 10,000 residents and sits in Gwent. Neighbouring towns we cover: Risca (3 miles), Blackwood (3 miles) and Cwmbran (5 miles).
Parts of Gwent have clay that can shrink near trees in dry spells. Historic coal workings are recorded beneath parts of Gwent, and a coal mining search is worth checking where movement is unexplained. Across Gwent, most homes are valley terraces on steep hillsides, Victorian houses in Newport and Abergavenny, and post-war estates.
Signs you may need brick arch repairs
- Gaps opening between arch bricks at the top or bottom edge
- A flat arch that has started to sag into a shallow curve
- Cracks stepping out from the arch ends into the wall
How much will brick arch repairs cost in Abercarn?
The ranges below reflect typical Wales costs for brick arch repairs, including VAT. Scaffold, access and making good can push a job to the top of the range.
| Item | Guide price | Per |
|---|---|---|
| Stitching and reinforcing a sound archest. | £370 – £1,100 | per arch |
| Rebuilding an arch (one side) | £830 – £1,200 | per opening |
| Rebuilding an arch (both sides) | £1,650 – £2,400 | per opening |
Which repair method suits a home in Abercarn?
Lime mortar repairs
On older houses built in soft brick and lime, the arch is rebuilt or repointed in a lime mortar matched to the original. Lime lets moisture escape and moves slightly with the wall, so it protects the bricks rather than forcing damage into them, as hard cement mortar can.
Best for: Pre-1919 houses and soft historic brick
Rebuilding both faces
Where the arch shows inside as well as outside, or a rotten timber behind it has also failed, both faces are rebuilt. The inner timber is replaced with a suitable lintel, and the outer arch is reformed in front. The two are worked in sequence so the wall is supported throughout.
Best for: Arches with a failed timber or inner face
What happens when we carry out brick arch repairs in Abercarn?
Look at the arch closely
Straight-on photos of the arch and the wall either side show us how far it has dropped, whether the bricks are sound and whether the cause seems to be the arch itself or the wall around it.
Support the opening
Props carry the brickwork above, and for a rebuild a former is made to the exact profile of the arch. The window or door frame is protected so it is not asked to carry any load.
Strike the former and point
Once the mortar has cured enough, the former and props are removed. Joints are finished to match the surrounding wall, and any cracks running from the arch into the wall are repaired at the same visit.
Rules for brick arch repairs in Wales
In Wales, small like-for-like repairs do not usually need approval, but work that alters or strengthens the structure needs building control under the Welsh Building Regulations, and the Party Wall etc. Act 1996 can apply to shared walls.
Brick arch repairs in Abercarn: questions and answers
What is the price of brick arch repairs in Abercarn?
Guide prices for brick arch repairs in Abercarn start from about £370 per arch, including VAT, on Wales rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you carry out brick arch repairs in Abercarn?
We do. Abercarn and the surrounding area are covered, including nearby Risca and Blackwood. A free initial assessment from your photos is the first step.
Does the ground around Abercarn cause cracking?
The valleys of Blaenau Gwent, Torfaen and Islwyn lie on the South Wales coalfield with extensive historic workings and spoil tips, while Newport and Monmouthshire have Mercia Mudstone, alluvium and Old Red Sandstone. Only an investigation can say why a particular building has moved.
Should a brick arch be repaired with lime mortar?
On older houses built with soft bricks and lime, yes, in most cases. Lime mortar lets the wall breathe and is weaker than the brick, so any movement or frost damage happens in the joints rather than the bricks. Modern hard brickwork can take a cement-based mortar.
Is a dropped brick arch dangerous?
A slightly dropped arch is not usually an immediate danger, but it is no longer carrying load as it should and tends to worsen. Loose bricks that could fall, or a fast-growing crack above, need prompt attention. Do not rely on the window frame to hold it.
More repairs we carry out in Abercarn
Brick arch repairs near Abercarn
If bricks in an arch at your Abercarn property are loose, photograph them from a safe distance and send them over for advice.