Wood fibre EWI · Berkshire
Wood fibre insulation for older homes in Maidenhead
From Maidenhead to Slough, 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 Maidenhead is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Free survey in SL6 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Maidenhead
Postcode, service and a phone number is all we need.
What the job covers
- Made from a renewable material with low embodied carbon
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- Compatible with lime renders used on traditional buildings
- Thicker than foam for the same U-value
Local considerations in Maidenhead
As well as Maidenhead itself, we quote in Slough, Windsor and High Wycombe. Maidenhead sits around 12 miles from Reading. Homes across the South East range from inter-war semis and post-war estates, which are mostly cavity-walled, to older solid-walled cottages and Victorian town terraces.
Much of Berkshire sits in the lower wind-driven rain exposure bands, which keeps the choice of finishes wide — though hilltop, coastal and exposed gable walls can still need a tougher specification, so we check the actual site.
For period homes in Maidenhead, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Postcode district
- SL6
- County or area
- Berkshire
- Nation
- England
- Nearby
- Slough, Windsor, High Wycombe, Bracknell
Permissions in England
For a house in Maidenhead, external insulation or render is often permitted development if it looks similar to the existing walls; conservation areas, flats, commercial buildings and listed buildings need permission or consent, so we check your address first.
Building control applies once more than half of a wall is insulated or re-rendered, or more than a quarter of the whole building envelope, and your written quote says how that's handled.
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 Maidenhead
| 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 Maidenhead: 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.
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.
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 Maidenhead?
Yes — we survey and quote wood fibre external wall insulation in Maidenhead (SL6) and nearby Slough, Windsor and High Wycombe, with a fixed written price before any work starts.