External wall insulation in Holyhead
If you live in Holyhead (LL65) and your walls are solid, system-built or simply cold, external wall insulation may be the most effective upgrade you can make without losing any room inside.
Homes in and around Holyhead
Holyhead is in the LL65 postcode district, about 21 miles from Bangor in Gwynedd. 2 other towns we cover are within 25 miles.
Parts of Gwynedd see high levels of wind-driven rain, so render specification and the details at sills and the roofline get extra attention.
Nearby towns we cover: Caernarfon (19 miles), Bangor, Gwynedd (21 miles).
External wall insulation prices in Holyhead
Guide prices for external wall insulation in Holyhead 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 Holyhead
- EWI installation
- EPS insulated render
- Mineral wool EWI
- Phenolic EWI
- Wood fibre EWI
- Mineral & silicate render
- Solid wall insulation
- Non-traditional houses
- Flats & low-rise blocks
- Social housing EWI
- All 24 services
Rules that apply in Holyhead
- Planning
- Welsh guidance allows cladding a house without an application if the materials look similar to the original, but external wall insulation that projects more than 16cm from the wall needs planning permission. Any cladding or render in a conservation area, National Park, AONB or World Heritage Site needs permission, listed buildings need consent, and permitted development rights may have been removed by condition or Article 4 direction.
- 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 Holyhead: questions
How much should I budget for external wall insulation in Holyhead?
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 Holyhead and fixes the total in writing.
Is VAT charged on external wall insulation in Holyhead?
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 Caernarfon as well as Holyhead?
Yes. From Holyhead we also cover Caernarfon and Bangor in Gwynedd, and the rest of Gwynedd.