Wood fibre EWI · Gwent
Wood fibre insulation for older homes in Abergavenny
From Abergavenny to Pontypool, we price wood fibre external wall insulation after a measured survey — no guesswork, and no work starts until the price is agreed in writing. For older stone and early brick properties in Abergavenny, we look at a wood fibre and lime build-up first.
- Free survey in NP7 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Abergavenny
Postcode, service and a phone number is all we need.
Part of every quote
- Often the most suitable EWI where planning allows on older properties
- Made from a renewable material with low embodied carbon
- Compatible with lime renders used on traditional buildings
- High density gives good protection from summer heat

Local considerations in Abergavenny
Surveys in Abergavenny also cover the surrounding NP7 district and towns such as Pontypool and Ebbw Vale. It's roughly 16 miles from Abergavenny to Newport (Gwent), the largest town in Gwent. South Wales has long runs of solid-wall valley terraces, Victorian and Edwardian town housing and post-war council estates.
Exposure to wind-driven rain varies across Gwent: sheltered town streets fare better than walls on high ground or facing the prevailing weather, and the render, beads and cill details are chosen with that in mind.
For period homes in Abergavenny, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Postcode district
- NP7
- County or area
- Gwent
- Nation
- Wales
- Nearby
- Pontypool, Ebbw Vale, Cwmbran, Monmouth
Approvals in Wales
For homes in Abergavenny, the local planning authority decides any borderline cases; changing a brick house to render, or work on flats, usually needs an application in Wales.
Building control in Wales applies to most insulation and re-rendering jobs of this size; the quote states who submits the notice.
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 Abergavenny
| 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%.
From enquiry to finished wall
Enquiry
Send your postcode and a few details.
Measured survey
Walls, damp, eaves, cills and services recorded.
Written price
A fixed price with the specification attached.
Work and handover
Installed, inspected and documents handed over.
Wood fibre EWI in Abergavenny: questions
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.
Does wood fibre need a lime render?
It needs the render specified by the system manufacturer, which is usually lime or mineral based.
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 Abergavenny?
Yes — we survey and quote wood fibre external wall insulation in Abergavenny (NP7) and nearby Pontypool, Ebbw Vale and Cwmbran, with a fixed written price before any work starts.