External wall insulation in March
Planning external wall insulation in March? 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 March
March is in the PE15 postcode district, about 14 miles from Peterborough. 6 other towns we cover are within 25 miles.
Nearby places we cover from March include Wisbech (8 miles), Ely (13 miles) and Peterborough (14 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: Wisbech (8 miles), Ely (13 miles), Peterborough (14 miles), King's Lynn (19 miles), Spalding (19 miles), Huntingdon (19 miles).
External wall insulation prices in March
Guide prices for external wall insulation in March 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.
Bays, gables, conservatory junctions and narrow side passages take longer than plain walls, so the survey prices your actual house rather than an average.
Popular services in March
- EWI installation
- Phenolic EWI
- Wood fibre EWI
- Insulating lime render
- Silicone render finish
- Pebbledash & dry dash EWI
- Non-traditional houses
- Terraced house EWI
- Flats & low-rise blocks
- EWI repairs
- All 24 services
Rules that apply in March
- 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 March: questions
How much should I budget for external wall insulation in March?
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 March and fixes the total in writing.
Do you cover Wisbech as well as March?
Yes. From March we also cover Wisbech, Ely and Peterborough, and the rest of Cambridgeshire.
Which EWI system suits homes in March?
It depends on the walls. Most brick houses in March 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.