Wood fibre EWI · Devon
Wood fibre insulation for older homes in Plymouth
Looking for wood fibre external wall insulation in Plymouth? We survey homes across Plymouth and the PL2 area, then give you a fixed written price before any work starts. For period homes in Plymouth, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Free survey in PL2 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Plymouth
Postcode, service and a phone number is all we need.
What the job covers
- Thicker than foam for the same U-value
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- High density gives good protection from summer heat
- Compatible with lime renders used on traditional buildings
Plymouth: walls, weather and approvals
As well as Plymouth itself, we quote in Plymstock, Paignton and Newton Abbot. 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.
Parts of Devon 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 older stone and early brick properties in Plymouth, we look at a wood fibre and lime build-up first.
- Postcode district
- PL2
- County or area
- Devon
- Nation
- England
- Nearby
- Plymstock, Paignton, Newton Abbot, Bodmin
Planning and building control in England
For a house in Plymouth, 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.
Insulating or re-rendering more than half of a wall's area brings in Part L of the Building Regulations, so building control is notified and the wall is upgraded to about 0.30 W/m²K where practical.
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 Plymouth
| 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
Enquiry
Send your postcode and a few details.
Measured survey
Walls, damp, eaves, cills and services recorded.
Written price
A fixed price with the specification attached.
Work and handover
Installed, inspected and documents handed over.
Wood fibre EWI in Plymouth: 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 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.
Do you cover Plymouth?
Yes — we survey and quote wood fibre external wall insulation in Plymouth (PL2) and nearby Plymstock, Paignton and Newton Abbot, with a fixed written price before any work starts.