Loft and cavity wall insulation · Wales
Loft and cavity wall insulation in Gwynedd
Social landlords in Gwynedd can use us for insulation top-ups and for extracting failed cavity fill that is causing damp.
Social landlords in Gwynedd can appoint us for loft and cavity wall insulation, from a single home to a programme. Most social homes in Gwynedd belong to housing associations after the council transferred its stock. We work to the Welsh Housing Quality Standard 2023 and to your own specification.
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?
- Cavity suitability survey, including borescope inspection
- Cavity wall insulation injection
- Extraction of failed or unsuitable cavity fill
- Boarded walkways, hatch insulation and draught-proofing
- Pipe and tank insulation
How do we deliver it?
No home is filled without a suitability survey. A cavity that should not have been filled becomes a damp complaint, and then a disrepair case.
Which rules apply in Gwynedd?
PAS 2035:2023 sets the whole-house retrofit process (assessment, coordination, design, installation and evaluation), and PAS 2030:2023 covers installation. Most government-backed retrofit schemes require both, with TrustMark lodgement.
WHQS 2023 (Wales) · More about loft and cavity wall insulation
What does loft and cavity wall insulation cost in Gwynedd?
Our guide range for cavity wall insulation in Gwynedd is £900–£2,500 per home. That is the UK range of £950–£2,700 (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 loft and cavity 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.
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.
Do you also work near Gwynedd?
Yes. We take on loft and cavity wall insulation across Wales, including Conwy, the Isle of Anglesey, Denbighshire and Flintshire, and in every other UK nation.
Other works we carry out in Gwynedd
- Responsive repairs
- Roofing and rainwater goods
- Bathroom replacement programmes
- Housing disrepair works
- Damp and mould remediation
- Heating upgrades and heat pumps
- Acquisition and temporary accommodation refurbishment
- Supported and sheltered housing refurbishment
- Fire stopping and compartmentation
- Aids and adaptations
- External wall insulation
- Whole-house retrofit