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 Gwynedd, the work is planned around Wales’s HMO rules and the standards the local council publishes.
- Nation
- Wales
- Pricing region
- Wales
- Postcode areas
- LL, SY
- Main towns
- Bangor (Gwynedd)
What do damp, mould and HHSRS repairs in Gwynedd involve?
- Extraction and continuous ventilation
- Mould treatment and stain-block
- Re-plastering and making good
- Leak, gutter and roof repairs
- Insulation to cold spots
- Damp-proofing where it is the cause
Which rules apply in Gwynedd?
- 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.
Welsh councils set their own HMO standards and may run additional licensing. In Wales, changing a house to a C4 HMO always needs planning permission, so check planning first.
How much do damp, mould and HHSRS repairs cost in Gwynedd?
| 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 Gwynedd
Questions about damp, mould and HHSRS repairs in Gwynedd
Will a mould wash fix it?
Only for a while. Unless the cause is fixed, mould comes back.
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.
Do you carry out damp, mould and HHSRS repairs across Gwynedd?
Yes, across the whole of Gwynedd, including Bangor (Gwynedd).
Who licenses HMOs in Gwynedd?
Gwynedd council licenses HMOs in its area. Landlords must also register with Rent Smart Wales.
Other HMO services in Gwynedd
- Shared bathroom and shower room refits in Gwynedd
- EPC and energy upgrades in Gwynedd
- Full HMO refurbishment in Gwynedd
- Void and between-tenancy refurbs in Gwynedd
- Licence condition and schedule-of-works in Gwynedd
- Communal kitchen refits in Gwynedd
- Sound insulation in Gwynedd
- Student HMO refurbishment in Gwynedd