Wood fibre EWI · Clwyd
Wood fibre insulation for older homes in Flint
From Flint to Deeside, 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 Flint, we look at a wood fibre and lime build-up first.
- Free survey in CH6 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Flint
Postcode, service and a phone number is all we need.
What's included
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- Thicker than foam for the same U-value
- Made from a renewable material with low embodied carbon
- High density gives good protection from summer heat
Flint: walls, weather and approvals
We also cover Deeside and Buckley, close to Flint. Flint is about 15 miles from Wrexham. North Wales has many solid stone and slate-built homes, Victorian seaside terraces and post-war council estates.
Exposure to wind-driven rain varies across Clwyd: 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.
If your home in Flint is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Postcode district
- CH6
- County or area
- Clwyd
- Nation
- Wales
- Nearby
- Deeside, Buckley, Hawarden, Wrexham
Permissions in Wales
We check Flint 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.
Why do older walls need breathable insulation?
Stone and early brick walls were built with lime mortars and renders that let moisture in and out. Sealing them with impermeable materials can trap water in the wall, leading to damp and frost damage. Wood fibre keeps the build-up open to vapour, and its ability to absorb and release moisture helps the wall stay in balance.
Wood fibre insulation for older homes prices in Flint
| 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%.
What happens next
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 Flint: questions
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.
Does wood fibre need a lime render?
It needs the render specified by the system manufacturer, which is usually lime or mineral based.
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.
Do you cover Flint?
Yes — we survey and quote wood fibre external wall insulation in Flint (CH6) and nearby Deeside, Buckley and Hawarden, with a fixed written price before any work starts.