Brick slip external wall insulation in Southampton
We cover Southampton and nearby Hythe for brick slip external wall insulation, with the survey, system choice, building control and finish all set out in one written quote.
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 Southampton
Southampton is in the SO14 postcode district. 6 other towns we cover are within 25 miles.
From Southampton we also cover Hythe (3 miles away), Totton (4 miles) and Eastleigh (5 miles).
Whatever the exposure of your street, the details at sills, eaves and the base of the wall are what keep an EWI system dry, and we draw them before work starts.
Brick slip EWI near Southampton: Hythe (3 miles), Totton (4 miles), Eastleigh (5 miles), Fareham (10 miles), Cowes (11 miles), Winchester (12 miles).
Cost in Southampton
Guide prices for brick slip external wall insulation in Southampton 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
- Insulation underneath
- EPS or mineral wool, as certified
- Weight
- Heavier than render; anchor pattern checked
- Best for
- Brick streets, planning-sensitive fronts
Why choose it
- Keeps a real brick appearance
- Very durable, low-maintenance face
- 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 Southampton
- Mineral wool EWI
- Phenolic EWI
- Wood fibre EWI
- Insulated cladding
- Insulating lime render
- Silicone render finish
- EWI repairs
- EWI surveys
Rules that apply in Southampton
- Building regulations
- Insulating more than half of a wall, or more than a quarter of the whole building envelope, counts as renovating a thermal element under the Building Regulations, so the wall should reach 0.30 W/m²K where that is technically, functionally and economically feasible, and building control must be involved.
- 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 Southampton: questions
Is VAT charged on brick slip external wall insulation in Southampton?
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 Hythe as well as Southampton?
Yes. From Southampton we also cover Hythe, Totton and Eastleigh, and the rest of Hampshire.
How long will the work take in Southampton?
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.
Brick slip EWI | Brick slip EWI in Hampshire | All services in Southampton