External wall insulation in Grantham
External wall insulation in Grantham and across Lincolnshire, priced from a free survey and installed with photographs of every hidden detail.
Homes in and around Grantham
Grantham is in the NG31 postcode district, about 22 miles from Lincoln. 6 other towns we cover are within 25 miles.
We arrange surveys in Grantham (NG31) at a time that suits you, and cover neighbouring Newark-on-Trent, Melton Mowbray and Oakham too.
We photograph every hidden layer as it goes on, so you have a record of what's behind the finish on your Grantham home.
Nearby towns we cover: Newark-on-Trent (13 miles), Melton Mowbray (14 miles), Oakham (17 miles), Stamford (19 miles), West Bridgford (20 miles), Arnold (21 miles).
External wall insulation prices in Grantham
Guide prices for external wall insulation in Grantham 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.
Whole-house prices include standard scaffolding, beads, sills and refitting services; unusual access, footpath licences and wall repairs are quoted separately.
Popular services in Grantham
- EWI installation
- Insulated cladding
- Insulating lime render
- Pebbledash & dry dash EWI
- Non-traditional houses
- Terraced house EWI
- Semi-detached EWI
- Flats & low-rise blocks
- Social housing EWI
- EWI surveys
- All 24 services
Rules that apply in Grantham
- 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 Grantham: questions
How much should I budget for external wall insulation in Grantham?
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 Grantham and fixes the total in writing.
Do you cover Newark-on-Trent as well as Grantham?
Yes. From Grantham we also cover Newark-on-Trent, Melton Mowbray and Oakham, and the rest of Lincolnshire.
How long will the work take in Grantham?
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.