External wall insulation · Wales
External wall insulation in Gwynedd
We install external wall insulation on social homes in Gwynedd, with the detailing at windows, eaves and ground level that makes it last.
External wall insulation in Gwynedd is carried out by our site teams and specialist subcontractors under our management, with photographs, notes and certificates on every job. Most social homes in Gwynedd belong to housing associations after the council transferred its stock.
Gwynedd at a glance
- Council
- Gwynedd Council
- Nation
- Wales
- Council homes
- Transferred to housing associations
- Housing standard
- WHQS 2023 (Wales)
- Damp and mould timescales
- No timescale law found
- Population
- 125,171 (2020 estimate)
- Regional price factor
- 0.93 (VOA 2026)
Council housing status from published stock transfer histories (11 transfer and 11 stock-retaining councils), not yet checked against StatsWales tables. Population: ONS 2020 mid-year estimate.
Who owns the social homes in Gwynedd?
Most social homes in Gwynedd are owned by housing associations, following the transfer of the council's homes to housing association ownership. Eleven of Wales's 22 councils took this route. Gwynedd Council remains the strategic housing authority, with duties on homelessness and housing need.
What do we cover in Gwynedd?
- Moving services, downpipes, meters and fittings
- Insulation boards, mesh, base coat and render or brick-slip finishes
- Window reveal, cill, eaves and ground-level detailing
- Fire breaks and non-combustible materials where the design requires them
- Scaffold, protection and resident liaison

How do we deliver it?
Residents are told when their wall will be worked on and what will be moved. Satellite dishes, meters and pipes are relocated and restored as part of the scope.
Which rules apply in Gwynedd?
WHQS 2023 asks Welsh social landlords to set a Target Energy Pathway for their homes by 31 March 2027, informed by a whole stock assessment.
WHQS 2023 (Wales) · More about external wall insulation
What does external wall insulation cost in Gwynedd?
Our guide range for external wall insulation in Gwynedd is £9,300–£17,200 per house. That is the UK range of £10,000–£18,500 (published figure) adjusted by a regional cost factor of 0.93 (VOA Rating Cost Guide 2026: 0.88–0.98); figures are before VAT where the source states it. Every job is priced after survey; specification, access and the condition of the homes will move the figure.
Questions about external wall insulation in Gwynedd
Does Gwynedd Council still own council homes?
Most social homes in Gwynedd are owned by housing associations, following the transfer of the council's homes to housing association ownership. Eleven of Wales's 22 councils took this route. Gwynedd Council remains the strategic housing authority, with duties on homelessness and housing need.
Do you also work near Gwynedd?
Yes. We take on external wall insulation across Wales, including Conwy, the Isle of Anglesey, Denbighshire and Flintshire, and in every other UK nation.
Which housing standard applies in Gwynedd?
Social landlords in Wales work to the Welsh Housing Quality Standard 2023, which has applied since 1 April 2024, with all homes to comply by 31 March 2034.
Other works we carry out in Gwynedd
- Fire stopping and compartmentation
- Communal area refurbishment
- Whole-house retrofit
- Housing disrepair works
- Fire door installation and remediation
- Planned maintenance and Decent Homes works
- Heating upgrades and heat pumps
- Smoke, heat and CO alarm installation
- Damp and mould remediation
- Bathroom replacement programmes
- Roofing and rainwater goods
- Kitchen replacement programmes