Wood fibre EWI · County Down
Wood fibre insulation for older homes in Holywood
We quote wood fibre external wall insulation for homes in Holywood (BT18) and nearby Newtownabbey and Belfast, with guide prices online and a free survey to fix the price. If your home in Holywood is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Free survey in BT18 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Holywood
Postcode, service and a phone number is all we need.
What's included
- High density gives good protection from summer heat
- Compatible with lime renders used on traditional buildings
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- Made from a renewable material with low embodied carbon

What we look for in Holywood
Surveys in Holywood also cover the surrounding BT18 district and towns such as Newtownabbey and Belfast. Holywood sits around 6 miles from Bangor (County Down). Northern Ireland has many rendered and pebble-dashed homes, older solid-walled rural houses, and estates built by the Housing Executive.
Exposure to wind-driven rain varies across County Down: 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 Holywood, we look at a wood fibre and lime build-up first.
- Postcode district
- BT18
- County or area
- County Down
- Nation
- Northern Ireland
- Nearby
- Newtownabbey, Belfast, Castlereagh, Carrickfergus
Northern Ireland: planning and regulations
For Holywood homes, the council's planning office has the final say on external changes; conservation areas, flats and listed buildings need an application or consent.
External wall insulation is building work under the Building Regulations (Northern Ireland) 2012, so council building control is involved, with Technical Booklet F1 covering dwellings.
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 Holywood
| 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
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 Holywood: 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 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.
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.
Do you cover Holywood?
Yes — we survey and quote wood fibre external wall insulation in Holywood (BT18) and nearby Newtownabbey, Belfast and Castlereagh, with a fixed written price before any work starts.