Wood fibre EWI · Essex
Wood fibre insulation for older homes in Harlow
Homeowners and landlords in Harlow can get a free survey and a fixed written quote for wood fibre external wall insulation, covering CM17 and the surrounding area. If your home in Harlow is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Free survey in CM17 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Harlow
Postcode, service and a phone number is all we need.
What's included
- Thicker than foam for the same U-value
- Made from a renewable material with low embodied carbon
- Compatible with lime renders used on traditional buildings
- Often the most suitable EWI where planning allows on older properties
Harlow: walls, weather and approvals
Surveys in Harlow also cover the surrounding CM17 district and towns such as Hoddesdon and Bishop's Stortford. Harlow is about 31 miles from Southend-on-Sea. The East of England has a mix of post-war estates, inter-war semis and older solid brick and flint cottages, with some system-built council homes on post-war estates.
Much of Essex 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 period homes in Harlow, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Postcode district
- CM17
- County or area
- Essex
- Nation
- England
- Nearby
- Hoddesdon, Bishop's Stortford, Cheshunt, Hertford
Permissions in England
For a house in Harlow, 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 Harlow
| 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%.
From enquiry to finished wall
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 Harlow: questions
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 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 Harlow?
Yes — we survey and quote wood fibre external wall insulation in Harlow (CM17) and nearby Hoddesdon, Bishop's Stortford and Cheshunt, with a fixed written price before any work starts.