Wood fibre EWI · County Down
Wood fibre insulation for older homes in Downpatrick
We quote wood fibre external wall insulation for homes in Downpatrick (BT30) and nearby Newtownards and Castlereagh, with guide prices online and a free survey to fix the price. For period homes in Downpatrick, the survey looks closely at existing lime mortars and any cement patching that may trap moisture.
- Free survey in BT30 and nearby
- Guide price from £150 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Downpatrick
Postcode, service and a phone number is all we need.
Included as standard
- High density gives good protection from summer heat
- Vapour-open and hygroscopic — buffers moisture rather than trapping it
- Compatible with lime renders used on traditional buildings
- Thicker than foam for the same U-value
Downpatrick: walls, weather and approvals
As well as Downpatrick itself, we quote in Newtownards, Castlereagh and Lisburn. It's roughly 23 miles from Downpatrick to Bangor (County Down), the largest town in 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.
If your home in Downpatrick is in a conservation area, we check the council's position on render before suggesting wood fibre EWI.
- Postcode district
- BT30
- County or area
- County Down
- Nation
- Northern Ireland
- Nearby
- Newtownards, Castlereagh, Lisburn, Belfast
Northern Ireland: planning and regulations
In Northern Ireland, permitted development is set by the 2015 Order; in Downpatrick, changing a house's external appearance, and any work on flats or listed buildings, may need permission, so we check with the council.
Council building control in Northern Ireland checks insulation work of this kind; the quote says how the application is handled.
Why do older walls need breathable insulation?
Stone and early brick walls were built with lime mortars and renders that let moisture in and out. Sealing them with impermeable materials can trap water in the wall, leading to damp and frost damage. Wood fibre keeps the build-up open to vapour, and its ability to absorb and release moisture helps the wall stay in balance.
Wood fibre insulation for older homes prices in Downpatrick
| 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 Downpatrick: 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.
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.
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 Downpatrick?
Yes — we survey and quote wood fibre external wall insulation in Downpatrick (BT30) and nearby Newtownards, Castlereagh and Lisburn, with a fixed written price before any work starts.