Wood fibre EWI · Hertfordshire
Wood fibre insulation for older homes in Bishop's Stortford
From Bishop's Stortford to Harlow, we price wood fibre external wall insulation after a measured survey — no guesswork, and no work starts until the price is agreed in writing. For older stone and early brick properties in Bishop's Stortford, we look at a wood fibre and lime build-up first.
- Free survey in CM23 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Bishop's Stortford
Postcode, service and a phone number is all we need.
What you get
- Thicker than foam for the same U-value
- Often the most suitable EWI where planning allows on older properties
- High density gives good protection from summer heat
- Compatible with lime renders used on traditional buildings
Before we quote in Bishop's Stortford
As well as Bishop's Stortford itself, we quote in Harlow, Hoddesdon and Hertford. Bishop's Stortford is about 28 miles from Watford. 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 Hertfordshire 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 Bishop's Stortford, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Postcode district
- CM23
- County or area
- Hertfordshire
- Nation
- England
- Nearby
- Harlow, Hoddesdon, Hertford, Cheshunt
England: planning and regulations
For a house in Bishop's Stortford, 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.
Building control applies once more than half of a wall is insulated or re-rendered, or more than a quarter of the whole building envelope, and your written quote says how that's handled.
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 Bishop's Stortford
| 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 Bishop's Stortford: questions
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.
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.
Do you cover Bishop's Stortford?
Yes — we survey and quote wood fibre external wall insulation in Bishop's Stortford (CM23) and nearby Harlow, Hoddesdon and Hertford, with a fixed written price before any work starts.