External wall insulation in Corby
Planning external wall insulation in Corby? The answers below cover cost, timescales and the rules that apply in England; the free survey turns them into a fixed price for your house.

Homes in and around Corby
Corby is in the NN17 postcode district, about 19 miles from Northampton. 6 other towns we cover are within 25 miles.
Nearby places we cover from Corby include Uppingham (6 miles), Kettering (7 miles) and Market Harborough (10 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: Uppingham (6 miles), Kettering (7 miles), Market Harborough (10 miles), Oakham (12 miles), Wellingborough (13 miles), Stamford (14 miles).
External wall insulation prices in Corby
Guide prices for external wall insulation in Corby 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.
What moves the price most is the board and finish you choose, the access around the house, and details such as roofline extensions or moving a gas meter.
Popular services in Corby
- EWI installation
- EPS insulated render
- Wood fibre EWI
- Pebbledash & dry dash EWI
- Solid wall insulation
- Bungalow EWI
- Terraced house EWI
- Flats & low-rise blocks
- Social housing EWI
- EWI for landlords
- All 24 services
Rules that apply in Corby
- 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 Corby: questions
How much should I budget for external wall insulation in Corby?
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 Corby and fixes the total in writing.
Do you cover Uppingham as well as Corby?
Yes. From Corby we also cover Uppingham, Kettering and Market Harborough, and the rest of Northamptonshire.
Which EWI system suits homes in Corby?
It depends on the walls. Most brick houses in Corby 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.