Wood fibre EWI · Greater London
Wood fibre insulation for older homes in Southall
Need wood fibre external wall insulation in Southall? Tell us about the property and we'll arrange a free survey and a written quote. For period homes in Southall, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Free survey in UB1 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Southall
Postcode, service and a phone number is all we need.
Included as standard
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- Made from a renewable material with low embodied carbon
- Often the most suitable EWI where planning allows on older properties
- Thicker than foam for the same U-value
Southall: walls, weather and approvals
We cover Southall and nearby Greenford, Heston and Hayes. 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 Southall, we look at a wood fibre and lime build-up first.
- Postcode district
- UB1
- County or area
- Greater London
- Nation
- England
- Nearby
- Greenford, Heston, Hayes, Isleworth
Permissions in England
For a house in Southall, 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.
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.
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 Southall
| 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
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 Southall: questions
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.
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.
Do you cover Southall?
Yes — we survey and quote wood fibre external wall insulation in Southall (UB1) and nearby Greenford, Heston and Hayes, with a fixed written price before any work starts.