Internal wall insulation · County Down
Internal wall insulation in Newry
If you're planning internal wall insulation in Newry, start with a free survey: we measure, check the walls and confirm planning and building control for your address. For terraced homes in Newry with attractive brick fronts, one approach is to insulate the front internally and the rear externally.
- Free survey in BT34 and nearby
- Guide price from £75 per m² 0% VAT
- Fixed written price before work starts
Free survey in Newry
Postcode, service and a phone number is all we need.
Part of every quote
- Loses roughly 50–100mm per insulated wall
- Can be done one room at a time during a renovation
- Insulated plasterboard, stud wall or breathable systems
- Sockets, radiators, skirting and coving are moved and refitted

Local considerations in Newry
We cover Newry and nearby Banbridge, Armagh and Portadown. Newry sits around 43 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.
Where a property in Newry is in a conservation area or the front elevation must stay unchanged, internal insulation is often the practical route.
- Postcode district
- BT34
- County or area
- County Down
- Nation
- Northern Ireland
- Nearby
- Banbridge, Armagh, Portadown, Craigavon
Approvals in Northern Ireland
Internal insulation rarely needs planning permission; listed buildings need consent for internal changes.
Building control applies to insulation and major re-rendering in Northern Ireland, and the work is signed off by the council.
What are the options for internal insulation?
- Insulated plasterboard — PIR or phenolic foam bonded to plasterboard, fixed to the wall and skimmed. Thinnest option.
- Insulated stud wall — a timber or metal frame filled with insulation, with a vapour control layer and plasterboard. Takes more space but runs services easily.
- Wood fibre and lime — breathable boards finished in lime plaster, for older walls that need to manage moisture.
Internal wall insulation prices in Newry
| Item | Guide price | Notes |
|---|---|---|
| Insulated plasterboard, supplied and skimmed | £75–£110 per m²0% VAT | |
| Insulated stud wall | £90–£130 per m²0% VAT | |
| Typical bedroom, one external wall | £1,795–£2,9950% VAT | Including making good |
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.
What happens next
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.
Internal wall insulation in Newry: questions
How much room space will I lose?
Usually 50–100mm on each insulated wall, depending on the system.
What happens to my radiators and sockets?
They're taken off and refitted on the new wall face. Electrical work is done by a qualified electrician.
Can I stay in the house?
Yes, but each room is out of use while it's worked on, typically 3–5 days.
Do you cover Newry?
Yes — we survey and quote internal wall insulation in Newry (BT34) and nearby Banbridge, Armagh and Portadown, with a fixed written price before any work starts.