Wood fibre EWI · Somerset
Wood fibre insulation for older homes in Portishead
Need wood fibre external wall insulation in Portishead? Tell us about the property and we'll arrange a free survey and a written quote. If your home in Portishead is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Free survey in BS20 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Portishead
Postcode, service and a phone number is all we need.
What you get
- High density gives good protection from summer heat
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- Often the most suitable EWI where planning allows on older properties
- Compatible with lime renders used on traditional buildings
Before we quote in Portishead
We also cover Nailsea and Clevedon, close to Portishead. Portishead sits around 19 miles from Bath. The South West has many stone and solid-walled cottages, exposed coastal properties and a share of post-war system-built houses, including types such as the Cornish Unit.
Exposure to wind-driven rain varies across Somerset: sheltered town streets fare better than walls on high ground or facing the prevailing weather, and the render, beads and cill details are chosen with that in mind.
For older stone and early brick properties in Portishead, we look at a wood fibre and lime build-up first.
- Postcode district
- BS20
- County or area
- Somerset
- Nation
- England
- Nearby
- Nailsea, Clevedon, Kingswood, Mangotsfield
England: planning and regulations
Before quoting in Portishead, we check whether the property is in a conservation area, under an Article 4 direction or listed, because that decides whether changing the outside needs planning permission.
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 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 Portishead
| 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
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 Portishead: 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 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 Portishead?
Yes — we survey and quote wood fibre external wall insulation in Portishead (BS20) and nearby Nailsea, Clevedon and Kingswood, with a fixed written price before any work starts.