External wall insulation in Sudbury
From Sudbury to Colchester and Haverhill, we plan external wall insulation around the house in front of us rather than a standard package, with guide prices online and a written quote after survey.

Homes in and around Sudbury
Sudbury is in the CO10 postcode district, about 18 miles from Ipswich. 6 other towns we cover are within 25 miles.
Nearby places we cover from Sudbury include Colchester (13 miles), Haverhill (13 miles) and Braintree (13 miles), all in England.
Your quote will name the certified system, the board thickness and the calculated U-value for your walls, not a vague 'insulation package'.
Nearby towns we cover: Colchester (13 miles), Haverhill (13 miles), Braintree (13 miles), Bury St Edmunds (14 miles), Stowmarket (15 miles), Witham (17 miles).
External wall insulation prices in Sudbury
Guide prices for external wall insulation in Sudbury 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 Sudbury
- Mineral wool EWI
- Wood fibre EWI
- Brick slip EWI
- Silicone render finish
- Terraced house EWI
- Detached house EWI
- Park home insulation
- Flats & low-rise blocks
- Social housing EWI
- EWI surveys
- All 24 services
Rules that apply in Sudbury
- 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.
External wall insulation in Sudbury: questions
How much should I budget for external wall insulation in Sudbury?
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 Sudbury and fixes the total in writing.
Do you cover Colchester as well as Sudbury?
Yes. From Sudbury we also cover Colchester, Haverhill and Braintree, and the rest of Suffolk.
Which EWI system suits homes in Sudbury?
It depends on the walls. Most brick houses in Sudbury suit EPS with silicone render; older stone or lime-built walls suit wood fibre or insulating lime render; and blocks need mineral wool. The free survey recommends one and explains why.