Internal wall insulation · Northern Ireland
Internal wall insulation in County Armagh
Get guide prices online, then a free survey and fixed quote for internal wall insulation in County Armagh, including Lurgan and Portadown. We plan internal insulation in County Armagh homes room by room so you keep the rest of the house usable.
- Free survey and fixed written price
- Guide price from £75 per m² 0% VAT
- Planning and building control checked for Northern Ireland
Free survey in County Armagh
Tell us the postcode and what you need.
What the job covers
- Needs careful detailing at floor joists, reveals and corners
- Sockets, radiators, skirting and coving are moved and refitted
- Keeps the outside of the house exactly as it is
- Loses roughly 50–100mm per insulated wall
- Insulated plasterboard, stud wall or breathable systems
Local considerations in County Armagh
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 Armagh: 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 County Armagh is in a conservation area or the front elevation must stay unchanged, internal insulation is often the practical route.
- Nation
- Northern Ireland
- Region
- Northern Ireland
- Towns covered
- Craigavon, Lurgan, Portadown, Armagh
- Guide price
- From £75 per m² 0% VAT
Permissions in Northern Ireland
Internal insulation rarely needs planning permission, but listed buildings need listed building consent for internal changes that affect their character.
Insulating external walls is building work under the Building Regulations (Northern Ireland) 2012, handled by council building control, with Technical Booklet F1 covering conservation of fuel and power in dwellings.
What are the risks with internal insulation?
Insulating inside makes the masonry colder, so moisture risk rises. Weak points are where floor joists bear into the wall, window reveals and corners. A condensation risk check for the build-up, a continuous vapour control layer where specified, and returning insulation into reveals deal with most of it.
Internal wall insulation prices in County Armagh
| 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.
How it works
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.
Internal wall insulation in County Armagh: questions
Can I stay in the house?
Yes, but each room is out of use while it's worked on, typically 3–5 days.
Is internal insulation cheaper than external?
Per m² usually yes, but the cost of moving fittings and redecorating narrows the gap on whole-house jobs.
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.
Do you cover all of County Armagh?
Yes. We survey and quote internal wall insulation across County Armagh, including Craigavon, Lurgan, Portadown, Armagh.
Do I need planning permission in Northern Ireland?
In Northern Ireland, permitted development is set by the Planning (General Permitted Development) Order (NI) 2015. We check your address before quoting.