Whole-house retrofit · Wales
Whole-house retrofit in Cardiff
If you have a funded retrofit project in Cardiff, we can price the measures, confirm certification arrangements in writing and deliver to programme.
We take on whole-house retrofit in Cardiff for City of Cardiff Council, housing associations and supported housing providers, managing every trade ourselves and working to the timescales in your order. 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?
- Fabric measures: external, internal and cavity wall insulation, loft and floor insulation
- Windows and doors, draught-proofing and airtightness details
- Heating: heat pumps, controls and emitters where specified
- Resident liaison through a disruptive programme
- Handover data for lodgement and post-installation evaluation

How do we deliver it?
Residents get a plain-English guide to their new heating and ventilation at handover. A heat pump that is run like a gas boiler will disappoint everyone.
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 whole-house retrofit
What does whole-house retrofit cost in Cardiff?
Our guide range for whole-house retrofit towards EPC C in Cardiff is £12,550–£21,950 per home. That is the UK range of £13,500–£23,600 (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 whole-house retrofit 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.
Which housing standard applies in Cardiff?
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 Cardiff?
Yes. We take on whole-house retrofit across Wales, including the Vale of Glamorgan, Caerphilly, Newport and Rhondda Cynon Taf, and in every other UK nation.
Other works we carry out in Cardiff
- Cyclical and external decoration
- Fire door installation and remediation
- Responsive repairs
- Heating upgrades and heat pumps
- Loft and cavity wall insulation
- Electrical remedial works and rewires
- External wall insulation
- Kitchen replacement programmes
- Bathroom replacement programmes
- Housing disrepair works
- Fire stopping and compartmentation
- Supported and sheltered housing refurbishment