Wood fibre EWI · Powys
Wood fibre insulation for older homes in Brecon
Need wood fibre external wall insulation in Brecon? Tell us about the property and we'll arrange a free survey and a written quote. For older stone and early brick properties in Brecon, we look at a wood fibre and lime build-up first.
- Free survey in LD3 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Brecon
Postcode, service and a phone number is all we need.
What you get
- Often the most suitable EWI where planning allows on older properties
- Thicker than foam for the same U-value
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- Compatible with lime renders used on traditional buildings
Homes and walls in Brecon
We also cover Merthyr Tydfil and Ebbw Vale, close to Brecon. It's roughly 39 miles from Brecon to Newtown, the largest town in Powys. Mid Wales is largely rural, with stone farmhouses, cottages and market-town terraces, many of them solid-walled.
Parts of Powys 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.
If your home in Brecon is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Postcode district
- LD3
- County or area
- Powys
- Nation
- Wales
- Nearby
- Merthyr Tydfil, Ebbw Vale, Aberdare, Abergavenny
Approvals in Wales
We check Brecon addresses for conservation areas and listing before quoting, because Welsh permitted development rules don't cover every external change.
Welsh Building Regulations expect walls to be upgraded when a substantial area is renewed, and building control signs the work off.
What finish goes over wood fibre?
A lime-based or mineral render designed for the system, applied over a reinforcing base coat. Lime finishes give the softer, slightly irregular texture that suits cottages and older terraces.
Wood fibre insulation for older homes prices in Brecon
| Item | Guide price | Notes |
|---|---|---|
| Wood fibre + lime render system | £150–£210 per m²0% VAT | Excluding scaffold |
| Cottage, about 90 m² of wall | £15,300–£22,1000% VAT | Including scaffold |
| Lime render only (no insulation) | £78–£132 per m²inc VAT | See lime render |
Confirmed by a fixed written quote after survey. 0% VAT: installing insulation in a home is zero-rated until 31 March 2027, so these figures are the total; 5% applies from 1 April 2027. Prices include VAT at 20%.
How it works
Get a guide price
Try the online quote tool for a ballpark figure.
Book the survey
A visit at a time that suits you.
Agree the quote
Nothing starts until you've signed the written price.
We do the work
Planned around weather, with you kept informed.
Wood fibre EWI in Brecon: questions
Is wood fibre insulation fireproof?
No — it's a timber product. It chars rather than flaming readily, but it is combustible, so it's used on low-rise buildings within a tested system and never where non-combustible materials are required.
Is wood fibre worth the extra cost?
On older solid walls the main benefit is moisture safety rather than raw U-value. If the wall needs to breathe, the cheaper option can cost more later.
Can wood fibre go on a stone wall?
Yes, after levelling. Rubble stone is often uneven, so a levelling coat or adapted fixing method is used first.
Do you cover Brecon?
Yes — we survey and quote wood fibre external wall insulation in Brecon (LD3) and nearby Merthyr Tydfil, Ebbw Vale and Aberdare, with a fixed written price before any work starts.