Wood fibre EWI · Kent
Wood fibre insulation for older homes in Tonbridge
Looking for wood fibre external wall insulation in Tonbridge? We survey homes across Tonbridge and the TN9 area, then give you a fixed written price before any work starts. If your home in Tonbridge is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Free survey in TN9 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Tonbridge
Postcode, service and a phone number is all we need.
What you get
- 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
- Often the most suitable EWI where planning allows on older properties
Local considerations in Tonbridge
As well as Tonbridge itself, we quote in Tunbridge Wells, Sevenoaks and Crowborough. Tonbridge sits around 12 miles from Maidstone. 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 Kent 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 Tonbridge, we look at a wood fibre and lime build-up first.
- Postcode district
- TN9
- County or area
- Kent
- Nation
- England
- Nearby
- Tunbridge Wells, Sevenoaks, Crowborough, Maidstone
Approvals in England
For a house in Tonbridge, 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 Tonbridge
| 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 Tonbridge: questions
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.
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.
Do you cover Tonbridge?
Yes — we survey and quote wood fibre external wall insulation in Tonbridge (TN9) and nearby Tunbridge Wells, Sevenoaks and Crowborough, with a fixed written price before any work starts.