Gwynedd · Wales
Structural repairs in Llangefni
Structural repairs in Llangefni: subsidence, cracks, underpinning, wall ties and lintels, with a free initial assessment from your photos.
- Postcodes
- LL77
- Population
- about 5,500
- Area
- Gwynedd
- Pricing region
- Wales
Where do we cover around Llangefni?
We cover Llangefni and its postcode districts LL77, part of Gwynedd, with a population of roughly 5,500. Nearby places we cover include Bangor (8 miles), Caernarfon (8 miles), Holyhead (14 miles) and Llandudno (20 miles).
What is the ground like in Gwynedd?
Shrinkable clay is less common in Gwynedd than in south-east England. Old metal-mine shafts and workings are recorded in places, so mining searches are routine for some properties. Across Gwynedd, most homes are slate and stone terraces, chapels and cottages, Victorian seaside houses and post-war estates.
What we check first in Llangefni
Before pricing a repair in Llangefni, we look at these likely causes first.
- Soft spots, made ground or fill under footings rather than clay shrinkage
- Heavy stone chimneys and gables pulling away from the house
- Solid stone walls bulging where the rubble core has loosened
- Garden and boundary walls leaning as tree roots and frost get to them
Repairs we carry out in Llangefni
- Chimney stack repairs
- Extension pulling away repairs
- Lintel replacement
- Crack stitching
- Concrete repairs
- Wall tie replacement
- Roof structure repairs
- Retaining wall repairs
- Bowing wall repairs
- Floor joist repairs
- Brick arch repairs
- Structural surveys and crack monitoring
- Structural crack repairs
- Gable end wall repairs
- Subsidence repairs
- Underpinning
- Boundary and garden wall repairs
- Bay window subsidence repairs
- Resin injection ground stabilisation
- Subsidence insurance claim repairs
Guide prices in Llangefni
The ranges below reflect typical Wales costs for structural repairs, including VAT. Scaffold, access and making good can push a job to the top of the range.
| Item | Guide price | Per |
|---|---|---|
| Underpinning: mass-concrete underpinning | £920 – £1,400 | per metre of wall |
| Wall tie replacement: semi-detached house | £2,300 – £4,600 | per house |
| Bowing wall repairs: lateral restraint for a typical gable | £920 – £2,750 | per wall |
| Structural surveys and crack monitoring: structural engineer's inspection and report | £460 – £1,850 | per property |
Do repairs in Llangefni need approval?
In Wales, small like-for-like repairs rarely need approval, but underpinning and strengthening go through building control under the Welsh Building Regulations.
Towns near Llangefni
Structural repairs in Llangefni: questions
Do you cover Llangefni?
We do. Llangefni and the surrounding area are covered, including nearby Bangor and Caernarfon. A free initial assessment from your photos is the first step.
Why do houses in Llangefni crack?
Common causes around Llangefni include solid stone walls bulging where the rubble core has loosened, weathered lime mortar letting stone walls spread, and leaking or broken drains washing fine soil out from under footings. The cause is checked before any repair is recommended.
How much do structural repairs cost in Llangefni?
It depends on the repair. On Wales rates, wall tie replacement on a semi-detached house from about £2,300 per house and lateral restraint for a bowing gable from about £920 per wall, including VAT. Your written price follows photos or a survey.
Send photos of the problem in Llangefni and we will come back with a free initial view and the next step.