Brick Slip EWI in Larne | Prices & Free Survey

Brick slip external wall insulation in Larne

If you live in Larne (BT40) and your walls are solid, system-built or simply cold, brick slip external wall insulation may be the most effective upgrade you can make without losing any room inside.

£185–£265 per m²installed, slips and pointing included; scaffolding priced per 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 Larne

Larne is in the BT40 postcode district, about 18 miles from Belfast. 6 other towns we cover are within 25 miles.

We arrange surveys in Larne (BT40) at a time that suits you, and cover neighbouring Carrickfergus, Newtownabbey and Bangor in County Down too.

Parts of County Antrim see high levels of wind-driven rain, so render specification and the details at sills and the roofline get extra attention.

Brick slip EWI near Larne: Carrickfergus (9 miles), Newtownabbey (14 miles), Bangor, Down (14 miles), Belfast (18 miles), Ballymena (18 miles), Newtownards (18 miles).

Cost in Larne

Guide prices for brick slip external wall insulation in Larne 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.

The final figure depends on wall area, the number of windows and doors, the finish and how much work the roofline, sills and services need.

Key facts

Finish: Real clay brick slips, 10–20mm
Bond: Stretcher, Flemish-effect or to match
Insulation underneath: EPS or mineral wool, as certified

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

Why is a brick slip finish more expensive?

Slips are a material cost on their own, they are laid by hand course by course, corners need special pieces, and the whole face is pointed. Expect brick slip finishes to cost noticeably more per square metre than render.

More services in Larne

Rules that apply in Larne

Planning: 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.
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 Larne: questions

Is building control approval needed for brick slip external wall insulation in Larne?

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. We arrange it as part of the job.

Is VAT charged on brick slip external wall insulation in Larne?

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.

Which EWI system suits homes in Larne?

It depends on the walls. Most brick houses in Larne suit EPS with silicone render; older stone or lime-built walls suit wood fibre or insulating lime render; and blocks need mineral wool. The free survey recommends one and explains why.

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