Wood fibre EWI · Greater London
Wood fibre insulation for older homes in Northolt
Homeowners and landlords in Northolt can get a free survey and a fixed written quote for wood fibre external wall insulation, covering UB5 and the surrounding area. If your home in Northolt is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Free survey in UB5 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Northolt
Postcode, service and a phone number is all we need.
What's included
- Compatible with lime renders used on traditional buildings
- Often the most suitable EWI where planning allows on older properties
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- High density gives good protection from summer heat
What we look for in Northolt
We cover Northolt and nearby Greenford, Harrow and Southall. 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 period homes in Northolt, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Postcode district
- UB5
- County or area
- Greater London
- Nation
- England
- Nearby
- Greenford, Harrow, Southall, Ruislip
Permissions in England
Planning in Northolt follows England's national rules: similar-looking finishes on houses are usually permitted, while flats, commercial premises, conservation areas and streets under an Article 4 direction need an application.
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 finish goes over wood fibre?
A lime-based or mineral render designed for the system, applied over a reinforcing base coat. Lime finishes give the softer, slightly irregular texture that suits cottages and older terraces.
Wood fibre insulation for older homes prices in Northolt
| 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
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 Northolt: 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.
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 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 Northolt?
Yes — we survey and quote wood fibre external wall insulation in Northolt (UB5) and nearby Greenford, Harrow and Southall, with a fixed written price before any work starts.