Loft and cavity wall insulation · Wales

Loft and cavity wall insulation in the Isle of Anglesey

Loft top-ups and cavity fill are the cheapest fabric measures for most homes in the Isle of Anglesey, provided the survey comes first.

Social landlords in the Isle of Anglesey can appoint us for loft and cavity wall insulation, from a single home to a programme. Isle of Anglesey County Council still owns council homes here, alongside housing association stock. We work to the Welsh Housing Quality Standard 2023 and to your own specification.

Isle of Anglesey at a glance

Council: Isle of Anglesey County Council
Nation: Wales
Council homes: Council-owned, managed by the council
Housing standard: WHQS 2023 (Wales)
Damp and mould timescales: No timescale law found
Population: 70,440 (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 the Isle of Anglesey?

Isle of Anglesey County Council is one of the 11 Welsh councils that kept their homes rather than transferring them. Housing associations also own social homes in the Isle of Anglesey, and we can work for both.

What do we cover in the Isle of Anglesey?

Cavity suitability survey, including borescope inspection
Extraction of failed or unsuitable cavity fill
Boarded walkways, hatch insulation and draught-proofing
Loft ventilation checks and remedial vents
Pipe and tank insulation

Loft and cavity wall insulation in a social home

How do we deliver it?

Loft work includes checking that the eaves are still ventilating once the new insulation is down, because blocked eaves cause condensation in the roof space.

Which rules apply in the Isle of Anglesey?

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 the Isle of Anglesey?

Our guide range for cavity wall insulation in the Isle of Anglesey 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 the Isle of Anglesey

Does Isle of Anglesey County Council still own council homes?

Do you also work near the Isle of Anglesey?

Yes. We take on loft and cavity wall insulation across Wales, including Conwy, Gwynedd, Denbighshire and Flintshire, and in every other UK nation.

Can you take on loft and cavity wall insulation in the Isle of Anglesey as a subcontractor?

Yes. Main contractors working for social landlords in the Isle of Anglesey can engage us as a tier-2 subcontractor for loft and cavity wall insulation, working under their systems and their client's specification.