External wall insulation in Carrickfergus
If you live in Carrickfergus (BT38) and your walls are solid, system-built or simply cold, external wall insulation may be the most effective upgrade you can make without losing any room inside.
Homes in and around Carrickfergus
Carrickfergus is in the BT38 postcode district, about 10 miles from Belfast. 6 other towns we cover are within 25 miles.
We arrange surveys in Carrickfergus (BT38) at a time that suits you, and cover neighbouring Newtownabbey, Bangor in County Down and Larne too.
In exposed parts of County Antrim, we pay particular attention to how rain is shed at the eaves, sills and corners, where wind-driven water finds its way in.
Nearby towns we cover: Newtownabbey (6 miles), Bangor, Down (7 miles), Larne (9 miles), Belfast (10 miles), Newtownards (10 miles), Castlereagh (10 miles).
External wall insulation prices in Carrickfergus
Guide prices for external wall insulation in Carrickfergus run from about £109 to £175 per square metre installed, depending on system and finish; scaffolding priced per house, with VAT at 0% on homes until 31 March 2027.
Whole-house prices include standard scaffolding, beads, sills and refitting services; unusual access, footpath licences and wall repairs are quoted separately.
Popular services in Carrickfergus
- EWI installation
- EPS insulated render
- Silicone render finish
- Terraced house EWI
- Semi-detached EWI
- Detached house EWI
- Park home insulation
- Flats & low-rise blocks
- EWI repairs
- Failed EWI remediation
- All 24 services
Rules that apply in Carrickfergus
- Building regulations
- EWI is controlled under the Building Regulations (Northern Ireland) 2012, with energy standards in Technical Booklet F and fire in Technical Booklet E, so you need building control approval from your council.
- VAT
- Installing insulation in a home is zero-rated for VAT until 31 March 2027, then 5%.
Checked October 2026. Rules change, so we confirm them for your address at survey.
External wall insulation in Carrickfergus: questions
How much should I budget for external wall insulation in Carrickfergus?
Budget around £109–£175 per square metre of wall for the system and finish, plus scaffolding priced per house. The survey measures your walls in Carrickfergus and fixes the total in writing.
Do you cover Newtownabbey as well as Carrickfergus?
Yes. From Carrickfergus we also cover Newtownabbey, Bangor in County Down and Larne, and the rest of County Antrim.
How long will the work take in Carrickfergus?
Two to six weeks on site for most houses, depending on size: bungalows are quicker, detached houses longer, weather allowing. Render isn't applied in rain or frost.