Brick slip external wall insulation in Ilford
Every brick slip external wall insulation job in Ilford 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 Ilford
Ilford is in the IG1 postcode district, about 9 miles from London. 6 other towns we cover are within 25 miles.
Our Ilford surveys cover the IG1 district and the surrounding area, including Barking, Becontree and Leytonstone.
Most EWI failures start at the edges rather than the middle of a wall, so the quote for your Ilford home sets out how each detail will be built.
Brick slip EWI near Ilford: Barking (2 miles), Becontree (2 miles), Leytonstone (3 miles), Stratford (4 miles), Canning Town (4 miles), Dagenham (4 miles).
Cost in Ilford
Guide prices for brick slip external wall insulation in Ilford 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
- Bond
- Stretcher, Flemish-effect or to match
- Insulation underneath
- EPS or mineral wool, as certified
- Best for
- Brick streets, planning-sensitive fronts
Why choose it
- Often an easier route through planning than render on brick streets
- 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 Ilford
- Phenolic EWI
- Silicone render finish
- Solid wall insulation
- Terraced house EWI
- Park home insulation
- Flats & low-rise blocks
- Failed EWI remediation
- EWI surveys
Rules that apply in Ilford
- 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 Ilford: questions
Do I need planning permission for external wall insulation in Ilford?
On a house, external wall insulation is usually permitted development if the finish looks similar to the existing walls. Render or cladding on a house in a conservation area, National Park, National Landscape (AONB), the Broads or a World Heritage Site needs planning permission. Flats and maisonettes have no householder permitted development rights, listed buildings need listed building consent, and an Article 4 direction can remove rights locally.
Is VAT charged on brick slip external wall insulation in Ilford?
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.
How long will the work take in Ilford?
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.
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