Gwynedd · Wales
Structural repairs in Caernarfon
Structural repairs in Caernarfon: subsidence, cracks, underpinning, wall ties and lintels, with a free initial assessment from your photos.
- Postcodes
- LL55
- Population
- about 10,000
- Area
- Gwynedd
- Pricing region
- Wales
Where do we cover around Caernarfon?
With roughly 10,000 people, Caernarfon spans postcode districts LL55 in Gwynedd. We also take enquiries from nearby Llangefni (8 miles), Bangor (9 miles), Pwllheli (18 miles) and Holyhead (19 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. What you mostly find across Gwynedd: slate and stone terraces, chapels and cottages, Victorian seaside houses and post-war estates.
What we check first in Caernarfon
These are the things we most often check for in Caernarfon. The repair only lasts if the cause has stopped.
- Loose or saturated ground where water has collected around foundations
- Solid stone walls bulging where the rubble core has loosened
- Weathered lime mortar letting stone walls spread
- Extensions and bays moving differently from the main house
Repairs we carry out in Caernarfon
- Structural crack repairs
- Underpinning
- Resin injection ground stabilisation
- Lintel replacement
- Boundary and garden wall repairs
- Wall tie replacement
- Floor joist repairs
- Subsidence repairs
- Roof structure repairs
- Retaining wall repairs
- Gable end wall repairs
- Concrete repairs
- Structural surveys and crack monitoring
- Brick arch repairs
- Bay window subsidence repairs
- Chimney stack repairs
- Extension pulling away repairs
- Bowing wall repairs
- Subsidence insurance claim repairs
- Crack stitching
Guide prices in Caernarfon
For Caernarfon we use Wales rates. Treat the table as a budget guide, inc VAT; the price you pay is the one on your written quote.
| Item | Guide price | Per |
|---|---|---|
| Crack stitching: crack stitching with stainless helical bars | £75 – £165 | per metre of crack |
| Underpinning: mass-concrete underpinning | £920 – £1,400 | per metre of wall |
| Lintel replacement: standard window or door opening | £690 – £2,300 | per opening |
| Bowing wall repairs: lateral restraint for a typical gable | £920 – £2,750 | per wall |
Do repairs in Caernarfon need approval?
Most crack repairs in Wales need no approval; foundation work does. We confirm which applies before a price is agreed.
Towns near Caernarfon
Structural repairs in Caernarfon: questions
Do you cover Caernarfon?
Yes, Caernarfon is covered, along with postcode districts LL55. We also cover nearby Llangefni and Bangor.
Why do houses in Caernarfon crack?
Common causes around Caernarfon include heavy stone chimneys and gables pulling away from the house, weathered lime mortar letting stone walls spread, and extensions and bays moving differently from the main house. The cause is checked before any repair is recommended.
How much do structural repairs cost in Caernarfon?
It depends on the repair. On Wales rates, crack stitching from about £75 per metre of crack and a standard window or door lintel from about £690 per opening, including VAT. Your written price follows photos or a survey.
Send photos of the problem in Caernarfon and we will come back with a free initial view and the next step.