In short: Damp and mould in an HMO is usually caused by condensation, leaks or rising or penetrating damp, and often by a mix. Across Swansea, the work is planned around Wales’s HMO rules and the standards the local council publishes.
- Nation
- Wales
- Pricing region
- Wales
- Postcode areas
- SA
- Main towns
- Swansea, Gorseinon, Clydach
What do damp, mould and HHSRS repairs in Swansea involve?
- Damp-proofing where it is the cause
- Mould treatment and stain-block
- Re-plastering and making good
- Insulation to cold spots
- Cause-finding survey with moisture readings
- Photo report of before and after
Which rules apply in Swansea?
- Councils assess hazards, including damp and mould, under the HHSRS, alongside the fitness for human habitation rules for occupation contracts.
- Rented homes must meet at least EPC E. Whether the planned EPC C standard will apply in Wales has not yet been confirmed.
Swansea Council: local HMO schemes
| Additional licensing | In force in part of the council area Additional licensing in Castle, Uplands, St Thomas and Waterfront wards from 14 Feb 2026 for five years (replaced 2020 Castle/Uplands scheme). |
|---|---|
| Selective licensing | No scheme found |
Schemes change. Check the council’s current pages for the exact address in Swansea before you buy or start work. Source: Swansea Council HMO licensing page, checked 2026-10-31.
How much do damp, mould and HHSRS repairs cost in Swansea?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Damp repair, from a single wall to a whole house | £600 – £4,000 | £560 – £3,750 | job |
| Mould treatment and making good | £250 – £500 | £240 – £470 | room |
Typical time on site: 2–10 working days. For a figure for your house, try the guide-price tool.
Damp, mould and HHSRS repairs by town in Swansea
Questions about damp, mould and HHSRS repairs in Swansea
What is HHSRS?
The Housing Health and Safety Rating System, the method councils in England and Wales use to assess hazards in homes, including damp and mould.
Will a mould wash fix it?
Only for a while. Unless the cause is fixed, mould comes back.
Do you carry out damp, mould and HHSRS repairs across Swansea?
Yes, across the whole of Swansea, including Swansea, Gorseinon, Clydach.
Who licenses HMOs in Swansea?
Swansea council licenses HMOs in its area. Landlords must also register with Rent Smart Wales.
Other HMO services in Swansea
- Shared bathroom and shower room refits in Swansea
- EPC and energy upgrades in Swansea
- Full HMO refurbishment in Swansea
- Void and between-tenancy refurbs in Swansea
- Licence condition and schedule-of-works in Swansea
- Communal kitchen refits in Swansea
- Fire doors in Swansea
- Extensions for extra rooms in Swansea