External wall insulation in Lancaster
Every external wall insulation job in Lancaster 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.

Homes in and around Lancaster
Lancaster is in the LA1 postcode district, about 20 miles from Preston. 6 other towns we cover are within 25 miles.
Our Lancaster surveys cover the LA1 district and the surrounding area, including Morecambe, Fleetwood and Thornton-Cleveleys.
In exposed parts of Lancashire, we pay particular attention to how rain is shed at the eaves, sills and corners, where wind-driven water finds its way in.
Nearby towns we cover: Morecambe (3 miles), Fleetwood (12 miles), Thornton-Cleveleys (15 miles), Barrow-in-Furness (18 miles), Blackpool (19 miles), Kendal (19 miles).
External wall insulation prices in Lancaster
Guide prices for external wall insulation in Lancaster run from about £109 to £175 per square metre installed, depending on system and finish; 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.
Popular services in Lancaster
- Mineral wool EWI
- Wood fibre EWI
- Silicone render finish
- Solid wall insulation
- Terraced house EWI
- Semi-detached EWI
- Park home insulation
- EWI for landlords
- EWI repairs
- EWI surveys
- All 24 services
Rules that apply in Lancaster
- 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.
External wall insulation in Lancaster: questions
How much should I budget for external wall insulation in Lancaster?
Budget around £109–£175 per square metre of wall for the system and finish, plus scaffolding priced per house. The survey measures your walls in Lancaster and fixes the total in writing.
Do you cover Morecambe as well as Lancaster?
Yes. From Lancaster we also cover Morecambe, Fleetwood and Thornton-Cleveleys, and the rest of Lancashire.
How long will the work take in Lancaster?
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.