Brick Slip EWI in Feltham | Prices & Free Survey

Brick slip external wall insulation in Feltham

Every brick slip external wall insulation job in Feltham 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.

£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 Feltham

Feltham is in the TW13 postcode district, about 13 miles from London. 6 other towns we cover are within 25 miles.

Our Feltham surveys cover the TW13 district and the surrounding area, including Hanworth, Ashford in Surrey and Hounslow.

Most EWI failures start at the edges rather than the middle of a wall, so the quote for your Feltham home sets out how each detail will be built.

Brick slip EWI near Feltham: Hanworth (2 miles), Ashford, Surrey (2 miles), Hounslow (3 miles), Sunbury-on-Thames (3 miles), Hampton (3 miles), Heston (3 miles).

Cost in Feltham

Guide prices for brick slip external wall insulation in Feltham 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.

Whole-house prices include standard scaffolding, beads, sills and refitting services; unusual access, footpath licences and wall repairs are quoted separately.

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
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 Feltham

Rules that apply in Feltham

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 Feltham: questions

How much should I budget for brick slip external wall insulation in Feltham?

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 Feltham and fixes the total in writing.

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

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 Hanworth as well as Feltham?

Yes. From Feltham we also cover Hanworth, Ashford in Surrey and Hounslow, and the rest of Greater London.

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