Gwynedd · Wales
Render and insulation in Llangefni
External wall insulation, render and repairs in Llangefni, with a free survey and a fixed written price before any work starts.
- Free survey in LL77 and nearby
- Fixed written price before work starts
- Guide prices online
Free survey in Llangefni
Tell us about the property. We reply on working days.
Services
Services in Llangefni
External wall insulation
- External wall insulation in Llangefni
- EPS insulation in Llangefni
- Mineral wool EWI in Llangefni
- Wood fibre EWI in Llangefni
- Non-traditional houses in Llangefni
- Park home insulation in Llangefni
- Flats and blocks in Llangefni
- Commercial EWI in Llangefni
Solid and internal wall insulation
- Solid wall insulation in Llangefni
- Internal wall insulation in Llangefni
- Survey and quote in Llangefni
Render finishes
- Insulated render in Llangefni
- Silicone render in Llangefni
- Monocouche render in Llangefni
- Lime render in Llangefni
- Brick slip EWI in Llangefni
- Acrylic render in Llangefni
Re-rendering, repairs and upkeep
Homes and walls in Llangefni
We cover Llangefni and nearby Bangor (Gwynedd), Caernarfon and Holyhead. Llangefni is about 8 miles from Bangor (Gwynedd).
North Wales has many solid stone and slate-built homes, Victorian seaside terraces and post-war council estates.
Parts of Gwynedd fall in the higher wind-driven rain exposure bands, especially coastal and upland sites, so render specification, movement joints and detailing at cills, verges and the base of the wall matter more than usual.
- Postcode district
- LL77
- County or area
- Gwynedd
- Nation
- Wales
Approvals in Wales
We check Llangefni addresses for conservation areas and listing before quoting, because Welsh permitted development rules don't cover every external change.
In Wales, insulating or re-rendering more than half of a wall's area is treated as renovating a thermal element under Approved Document L (Wales), so building control is involved before work starts.
Typical jobs and guide prices
| Item | Guide price | Notes |
|---|---|---|
| Covering pebble dash | From £72 per m² + scaffoldinc VAT | Render over sound pebble dash |
| Render repairs | From £475inc VAT | Small repairs, single visit |
| Park home insulation | From £7,9950% VAT | Single-unit park home |
| Lime render | From £78 per m² + scaffoldinc VAT | Lime render, three-coat |
Insulation prices for homes are totals (0% VAT until 31 March 2027); render and repair prices include VAT at 20%. Confirmed in writing after a free survey. Full price guide
Nearby towns
Llangefni: questions
Do you cover Llangefni?
Yes — we survey and quote in Llangefni (LL77) and nearby Bangor (Gwynedd), Caernarfon and Holyhead.
How much does external wall insulation cost in Llangefni?
Our guide is £105–£170 per m² depending on the system, plus scaffolding — roughly £10,200–£17,700 for a typical three-bed semi with EPS and silicone render. Installing insulation in a home is zero-rated for VAT until 31 March 2027, so that's the total. A free survey fixes the price.
Do I need planning permission in Llangefni?
For homes in Llangefni, the local planning authority decides any borderline cases; changing a brick house to render, or work on flats, usually needs an application in Wales.
Is VAT charged on wall insulation?
Installing wall insulation in homes is zero-rated until 31 March 2027, then 5%, so our insulation prices are totals. Render-only work and repairs carry VAT at 20%, and our prices for them include it.