Wood fibre EWI · Dorset
Wood fibre insulation for older homes in Weymouth
Homeowners and landlords in Weymouth can get a free survey and a fixed written quote for wood fibre external wall insulation, covering DT3 and the surrounding area. For period homes in Weymouth, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Free survey in DT3 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Weymouth
Postcode, service and a phone number is all we need.
What the job covers
- Made from a renewable material with low embodied carbon
- High density gives good protection from summer heat
- Often the most suitable EWI where planning allows on older properties
- Thicker than foam for the same U-value
Weymouth: walls, weather and approvals
We also cover Dorchester and Bridport, close to Weymouth. Weymouth is about 26 miles from Bournemouth. 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 Dorset: 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 Weymouth, we look at a wood fibre and lime build-up first.
- Postcode district
- DT3
- County or area
- Dorset
- Nation
- England
- Nearby
- Dorchester, Bridport, Poole, Yeovil
England: planning and regulations
For a house in Weymouth, 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 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 Weymouth
| 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 Weymouth: 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.
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 Weymouth?
Yes — we survey and quote wood fibre external wall insulation in Weymouth (DT3) and nearby Dorchester, Bridport and Poole, with a fixed written price before any work starts.