Brick slip external wall insulation in Bexley
Every brick slip external wall insulation job in Bexley starts with a free survey of your walls: what they are built from, how they have weathered, and what the details around windows, eaves and services will need.

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 Bexley
Bexley is in the DA5 postcode district, about 13 miles from London. 6 other towns we cover are within 25 miles.
Our Bexley surveys cover the DA5 district and the surrounding area, including Welling, Dartford and Swanley.
Most EWI failures start at the edges rather than the middle of a wall, so the quote for your Bexley home sets out how each detail will be built.
Brick slip EWI near Bexley: Welling (2 miles), Dartford (3 miles), Swanley (3 miles), Eltham (4 miles), Thamesmead (4 miles), Blackheath (6 miles).
Cost in Bexley
Guide prices for brick slip external wall insulation in Bexley 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.
Brick slips, cladding and mineral wool cost more than EPS and render; the survey shows you the difference side by side.
Key facts
- Finish
- Real clay brick slips, 10–20mm
- Insulation underneath
- EPS or mineral wool, as certified
- Weight
- Heavier than render; anchor pattern checked
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
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 Bexley
- Phenolic EWI
- Wood fibre EWI
- Silicone render finish
- Non-traditional houses
- Bungalow EWI
- EWI for landlords
- Failed EWI remediation
- EWI surveys
Rules that apply in Bexley
- 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 Bexley: questions
How much should I budget for brick slip external wall insulation in Bexley?
Budget around £185–£265 per square metre of wall for the system and finish, plus scaffolding priced per house. The survey measures your walls in Bexley and fixes the total in writing.
Is VAT charged on brick slip external wall insulation in Bexley?
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 Welling as well as Bexley?
Yes. From Bexley we also cover Welling, Dartford and Swanley, and the rest of Greater London.
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