Brick slip external wall insulation in Belfast
Planning brick slip external wall insulation in Belfast? The answers below cover cost, timescales and the rules that apply in Northern Ireland; the free survey turns them into a fixed price for your house.
What is brick slip external wall insulation?
Brick slip external wall insulation is an EWI system finished with 10–20mm thick clay brick slips, bonded with adhesive onto a reinforced basecoat over the insulation and then pointed. Corner slips return around external corners so the finish reads as solid brickwork.
Brick slip EWI around Belfast
Belfast is in the BT1 postcode district. 6 other towns we cover are within 25 miles.
Nearby places we cover from Belfast include Castlereagh (2 miles), Newtownabbey (4 miles) and Lisburn (7 miles), all in Northern Ireland.
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.
Brick slip EWI near Belfast: Castlereagh (2 miles), Newtownabbey (4 miles), Lisburn (7 miles), Newtownards (9 miles), Carrickfergus (10 miles), Bangor, Down (11 miles).
Cost in Belfast
Guide prices for brick slip external wall insulation in Belfast run from about £185 to £265 per square metre installed, slips and pointing included; scaffolding priced per house, with VAT at 0% on homes until 31 March 2027.
Bays, gables, conservatory junctions and narrow side passages take longer than plain walls, so the survey prices your actual house rather than an average.
Key facts
- Bond
- Stretcher, Flemish-effect or to match
- Insulation underneath
- EPS or mineral wool, as certified
- Weight
- Heavier than render; anchor pattern checked
Why choose it
- Keeps a real brick appearance
- Often an easier route through planning than render on brick streets
- Can mix with render on side and rear walls to manage cost
Can brick slips match my existing bricks?
Slips come in a wide range of colours and textures, and a close match is often possible. An exact match to weathered Victorian brick is hard; we bring samples to the survey and you see them against your wall in daylight before ordering.
More services in Belfast
- EPS insulated render
- Mineral & silicate render
- Solid wall insulation
- Bungalow EWI
- Semi-detached EWI
- Detached house EWI
- EWI repairs
- EWI surveys
Rules that apply in Belfast
- 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.
Brick slip EWI in Belfast: questions
Do I need planning permission for external wall insulation in Belfast?
Planning in Northern Ireland is handled by the 11 councils. Changes that alter a house's appearance, work on flats, listed buildings and conservation areas should be checked with the council planning office before work is booked.
Is VAT charged on brick slip external wall insulation in Belfast?
Not on installing insulation in a home at the moment: that's zero-rated until 31 March 2027, after which the rate is due to be 5%. Work on commercial buildings is standard-rated.
Do you cover Castlereagh as well as Belfast?
Yes. From Belfast we also cover Castlereagh, Newtownabbey and Lisburn, and the rest of County Antrim.
Brick slip EWI | Brick slip EWI in County Antrim | All services in Belfast