Wood fibre EWI · Greater London
Wood fibre insulation for older homes in Surbiton
From Surbiton to New Malden, 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 period homes in Surbiton, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Free survey in KT5 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Surbiton
Postcode, service and a phone number is all we need.
What's included
- Compatible with lime renders used on traditional buildings
- High density gives good protection from summer heat
- Thicker than foam for the same U-value
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
Surbiton: walls, weather and approvals
We also cover New Malden and Esher, close to Surbiton. London's housing includes a large stock of Victorian and Edwardian solid-wall terraces, inter-war semis and post-war blocks, and conservation areas cover many streets — so planning is often the first question for external work.
Much of Greater London 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 older stone and early brick properties in Surbiton, we look at a wood fibre and lime build-up first.
- Postcode district
- KT5
- County or area
- Greater London
- Nation
- England
- Nearby
- New Malden, Esher, Morden, Epsom
Permissions in England
For a house in Surbiton, 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.
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 Surbiton
| 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
Tell us about the property
Use the quote tool or form, or call. Photos help.
Free survey
We measure, check the walls and confirm approvals.
Fixed written quote
System, details, access, exclusions and VAT in writing.
Installation
Scheduled for suitable weather, with a clear programme.
Wood fibre EWI in Surbiton: 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 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.
Does wood fibre need a lime render?
It needs the render specified by the system manufacturer, which is usually lime or mineral based.
Do you cover Surbiton?
Yes — we survey and quote wood fibre external wall insulation in Surbiton (KT5) and nearby New Malden, Esher and Morden, with a fixed written price before any work starts.