External wall insulation in Harwich
Looking for external wall insulation in Harwich? We survey homes across Essex and the CO12 postcode district, measure every wall and give you a fixed price in writing before any work is booked.
Homes in and around Harwich
Harwich is in the CO12 postcode district. 6 other towns we cover are within 25 miles.
From Harwich we also cover Felixstowe (3 miles away), Ipswich (10 miles) and Clacton-on-Sea (12 miles).
Whatever the exposure of your street, the details at sills, eaves and the base of the wall are what keep an EWI system dry, and we draw them before work starts.
Nearby towns we cover: Felixstowe (3 miles), Ipswich (10 miles), Clacton-on-Sea (12 miles), Colchester (17 miles), Stowmarket (21 miles), Sudbury (24 miles).
External wall insulation prices in Harwich
Guide prices for external wall insulation in Harwich 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 Harwich
- EPS insulated render
- Wood fibre EWI
- Insulated cladding
- Insulating lime render
- Pebbledash & dry dash EWI
- Solid wall insulation
- Terraced house EWI
- Semi-detached EWI
- Park home insulation
- EWI repairs
- All 24 services
Rules that apply in Harwich
- Planning
- On a house, external wall insulation is usually permitted development if the finish looks similar to the existing walls. Render or cladding on a house in a conservation area, National Park, National Landscape (AONB), the Broads or a World Heritage Site needs planning permission. Flats and maisonettes have no householder permitted development rights, listed buildings need listed building consent, and an Article 4 direction can remove rights locally.
- 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 Harwich: questions
How much should I budget for external wall insulation in Harwich?
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 Harwich and fixes the total in writing.
Is VAT charged on external wall insulation in Harwich?
Not on installing insulation in a home at the moment: that's zero-rated until 31 March 2027, after which the rate is due to be 5%. Work on commercial buildings is standard-rated.
Do you cover Felixstowe as well as Harwich?
Yes. From Harwich we also cover Felixstowe, Ipswich and Clacton-on-Sea, and the rest of Essex.