Whole-house retrofit · Wales
Whole-house retrofit in Carmarthenshire
If you have a funded retrofit project in Carmarthenshire, we can price the measures, confirm certification arrangements in writing and deliver to programme.
Whole-house retrofit in Carmarthenshire is carried out by our site teams and specialist subcontractors under our management, with photographs, notes and certificates on every job. Carmarthenshire County Council still owns council homes here, alongside housing association stock.
Carmarthenshire at a glance
- Council
- Carmarthenshire 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
- 190,073 (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 Carmarthenshire?
Carmarthenshire County Council is one of the 11 Welsh councils that kept their homes rather than transferring them. Housing associations also own social homes in Carmarthenshire, and we can work for both.
What do we cover in Carmarthenshire?
- Coordination with your retrofit assessor and retrofit coordinator
- Fabric measures: external, internal and cavity wall insulation, loft and floor insulation
- Ventilation upgrades to match the improved airtightness
- Heating: heat pumps, controls and emitters where specified
- Resident liaison through a disruptive programme

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 Carmarthenshire?
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 Carmarthenshire?
Our guide range for whole-house retrofit towards EPC C in Carmarthenshire 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 Carmarthenshire
Does Carmarthenshire County Council still own council homes?
Carmarthenshire County Council is one of the 11 Welsh councils that kept their homes rather than transferring them. Housing associations also own social homes in Carmarthenshire, and we can work for both.
Can you take on whole-house retrofit in Carmarthenshire as a subcontractor?
Yes. Main contractors working for social landlords in Carmarthenshire can engage us as a tier-2 subcontractor for whole-house retrofit, working under their systems and their client's specification.
Which housing standard applies in Carmarthenshire?
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 Carmarthenshire
- Void property works
- Aids and adaptations
- Electrical remedial works and rewires
- Acquisition and temporary accommodation refurbishment
- Supported and sheltered housing refurbishment
- Communal area refurbishment
- Housing disrepair works
- Smoke, heat and CO alarm installation
- External wall insulation
- Window and door replacement
- Roofing and rainwater goods
- Damp and mould remediation