Wood fibre EWI · Argyll and Bute
Wood fibre insulation for older homes in Helensburgh
If you're planning wood fibre external wall insulation in Helensburgh, start with a free survey: we measure, check the walls and confirm planning and building control for your address. If your home in Helensburgh is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Free survey in G84 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Helensburgh
Postcode, service and a phone number is all we need.
What's included
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- High density gives good protection from summer heat
- Made from a renewable material with low embodied carbon
- Thicker than foam for the same U-value

Local considerations in Helensburgh
Surveys in Helensburgh also cover the surrounding G84 district and towns such as Greenock and Dunoon. The Highlands and Islands have many exposed stone and harled homes, timber-framed houses and scattered rural properties.
Parts of Argyll and Bute fall in the higher wind-driven rain exposure bands, especially coastal and upland sites, so render specification, movement joints and detailing at cills, verges and the base of the wall matter more than usual.
For period homes in Helensburgh, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Postcode district
- G84
- County or area
- Argyll and Bute
- Nation
- Scotland
- Nearby
- Greenock, Dunoon, Clydebank, Renfrew
Planning and building control in Scotland
For Helensburgh properties, flats and tenements need planning permission for external insulation, and a noticeable change of finish on a house often does too under Scottish rules.
Where a building warrant is needed for Helensburgh work, it's obtained before installation starts, and the quote says who arranges it.
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 Helensburgh
| 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 Helensburgh: 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.
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.
Do you cover Helensburgh?
Yes — we survey and quote wood fibre external wall insulation in Helensburgh (G84) and nearby Greenock, Dunoon and Clydebank, with a fixed written price before any work starts.