Solid wall insulation · County Down
Solid wall insulation in Newtownards
Quotes for solid wall insulation in Newtownards list the system, the detailing and the VAT position in writing, so you know exactly what's included. For solid-walled homes in Newtownards, we check wall thickness and age first to confirm there's no cavity to fill.
- Free survey in BT23 and nearby
- Guide price from £75 per m² + scaffold, 0% VAT
- Fixed written price before work starts
Free survey in Newtownards
Postcode, service and a phone number is all we need.
What you get
- External insulation keeps room sizes and treats cold bridges well
- Both can be done in stages, elevation by elevation or room by room
- Internal insulation suits single rooms or where the outside can't change
- Breathable options for stone and lime-mortared walls
Before we quote in Newtownards
We also cover Bangor (County Down) and Holywood, close to Newtownards. Newtownards is about 5 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.
On solid-walled houses in Newtownards, the gable or the most weather-exposed wall is often the place to start.
- Postcode district
- BT23
- County or area
- County Down
- Nation
- Northern Ireland
- Nearby
- Bangor (County Down), Holywood, Castlereagh, Belfast
Approvals in Northern Ireland
In Northern Ireland, permitted development is set by the 2015 Order; in Newtownards, changing a house's external appearance, and any work on flats or listed buildings, may need permission, so we check with the council.
Building control applies to insulation and major re-rendering in Northern Ireland, and the work is signed off by the council.
External or internal — which is better?
External insulation keeps the wall warm, reduces cold bridging at floors and party walls, renews the outside, and doesn't shrink rooms — but it changes the look and needs scaffolding. Internal insulation keeps the façade unchanged and can be done room by room, but loses 50–100mm of floor space per wall and needs careful detailing to avoid condensation at joists and corners.
Solid wall insulation prices in Newtownards
| Item | Guide price | Notes |
|---|---|---|
| External (EWI) | £105–£210 per m²0% VAT | By board and finish |
| Internal (IWI) | £75–£130 per m²0% VAT | Plus making good |
| Survey and written recommendation | Free with a quote |
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.
From enquiry to finished wall
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.
Solid wall insulation in Newtownards: questions
Is solid wall insulation worth it?
For many solid-walled homes it's one of the biggest single improvements to comfort, because the walls are often the largest heat-loss area. Savings depend on the home and heating, so we don't promise a figure.
Does solid wall insulation cause condensation?
It can if detailed poorly, particularly internally. A condensation risk check for the proposed build-up and careful detailing at joists, reveals and corners avoid it.
Can I do one wall at a time?
Yes. Many owners start with the coldest or most exposed elevation, often a gable end.
Do you cover Newtownards?
Yes — we survey and quote solid wall insulation in Newtownards (BT23) and nearby Bangor (County Down), Holywood and Castlereagh, with a fixed written price before any work starts.