External wall insulation in Cardiff

External wall insulation in Cardiff is carried out by our site teams and specialist subcontractors under our management, with photographs, notes and certificates on every job. City of Cardiff Council still owns council homes here, alongside housing association stock.

Cardiff at a glance

Council: City of Cardiff 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: 369,202 (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 Cardiff?

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

What do we cover in Cardiff?

Survey of walls, services and details before design
Moving services, downpipes, meters and fittings
Window reveal, cill, eaves and ground-level detailing
Scaffold, protection and resident liaison
Handover with system guarantee documents

External wall insulation in a social home

How do we deliver it?

Detailing is agreed before ordering, opening by opening. It is the difference between an EWI scheme that lasts thirty years and one that develops damp in three.

Which rules apply in Cardiff?

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 external wall insulation

What does external wall insulation cost in Cardiff?

Our guide range for external wall insulation in Cardiff 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 Cardiff

Does City of Cardiff Council still own council homes?

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

Can you take on external wall insulation in Cardiff as a subcontractor?

Yes. Main contractors working for social landlords in Cardiff can engage us as a tier-2 subcontractor for external wall insulation, working under their systems and their client's specification.

Do you also work near Cardiff?

Yes. We take on external wall insulation across Wales, including the Vale of Glamorgan, Caerphilly, Newport and Rhondda Cynon Taf, and in every other UK nation.