Brick slip external wall insulation in Hampton
Homeowners in Hampton look at brick slip external wall insulation for warmer rooms, lower heat loss and a new exterior in one job. Here is how it works, what it costs and which England rules apply.

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 Hampton
Hampton is in the TW12 postcode district, about 12 miles from London. 6 other towns we cover are within 25 miles.
Our Hampton surveys cover the TW12 district and the surrounding area, including Hanworth, Sunbury-on-Thames and Walton-on-Thames.
Most EWI failures start at the edges rather than the middle of a wall, so the quote for your Hampton home sets out how each detail will be built.
Brick slip EWI near Hampton: Hanworth (2 miles), Sunbury-on-Thames (2 miles), Walton-on-Thames (3 miles), Esher (3 miles), Feltham (3 miles), Surbiton (3 miles).
Cost in Hampton
Guide prices for brick slip external wall insulation in Hampton 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
- 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 Hampton
- EWI installation
- Wood fibre EWI
- Bungalow EWI
- Park home insulation
- Flats & low-rise blocks
- EWI for landlords
- EWI repairs
- EWI surveys
Rules that apply in Hampton
- Funding
- Low-income households in homes rated below EPC C can apply for Warm Homes: Local Grant where their council is taking part. The Great British Insulation Scheme closed on 31 March 2026, and ECO4 closes on 31 December 2026; its final months are for finishing and putting right existing work. Grant schemes use their own approved installers, so check a scheme's installer rules before booking; our quotes are for privately funded work unless we confirm otherwise in writing. Grants guide
- 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 Hampton: questions
How much should I budget for brick slip external wall insulation in Hampton?
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 Hampton and fixes the total in writing.
Do I need planning permission for external wall insulation in Hampton?
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.
Do you cover Hanworth as well as Hampton?
Yes. From Hampton we also cover Hanworth, Sunbury-on-Thames and Walton-on-Thames, and the rest of Greater London.
Brick slip EWI | Brick slip EWI in Greater London | All services in Hampton