Wood fibre EWI · County Durham
Wood fibre insulation for older homes in Darlington
From Darlington to Newton Aycliffe, we price wood fibre external wall insulation after a measured survey — no guesswork, and no work starts until the price is agreed in writing. If your home in Darlington is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Free survey in DL3 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Darlington
Postcode, service and a phone number is all we need.
Part of every quote
- Compatible with lime renders used on traditional buildings
- Made from a renewable material with low embodied carbon
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- Thicker than foam for the same U-value
Darlington: walls, weather and approvals
We also cover Newton Aycliffe and Stockton-on-Tees, close to Darlington. The North East has many solid brick terraces, including former colliery housing, plus post-war council estates with some system-built homes.
Exposure to wind-driven rain varies across County Durham: 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 Darlington, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Postcode district
- DL3
- County or area
- County Durham
- Nation
- England
- Nearby
- Newton Aycliffe, Stockton-on-Tees, Thornaby-on-Tees, Bishop Auckland
Approvals in England
Before quoting in Darlington, we check whether the property is in a conservation area, under an Article 4 direction or listed, because that decides whether changing the outside needs planning permission.
If the work covers more than half of a wall, or a quarter of the building's whole envelope, it counts as renovating a thermal element, with a target of about 0.30 W/m²K where feasible.
What about listed buildings and conservation areas?
EWI on a listed building needs listed building consent and is often refused where the outside appearance matters. In conservation areas, rendering or cladding a house normally needs planning permission. Wood fibre and lime are more likely to be acceptable than foam and acrylic, but the council decides. We check before quoting.
Wood fibre insulation for older homes prices in Darlington
| 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 Darlington: 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 Darlington?
Yes — we survey and quote wood fibre external wall insulation in Darlington (DL3) and nearby Newton Aycliffe, Stockton-on-Tees and Thornaby-on-Tees, with a fixed written price before any work starts.