In short: A shared bathroom refit replaces worn or failing bathrooms in an HMO with hard-wearing, easy-clean ones: good extraction, waterproofing, thermostatic showers and finishes that stand up to several users a day. In Cardiff we survey first, price each item separately and hand over the certificates and photos a council asks for.
- Nation
- Wales
- Pricing region
- Wales
- Postcode areas
- CF
- Main towns
- Cardiff, Whitchurch
What do shared bathroom and shower room refits in Cardiff involve?
- Strip-out and repairs to floors and walls
- Wall panels or tiling
- Thermostatic shower and bath or walk-in shower
- Separate WC where the ratio needs it
- Extractor fan with humidistat or overrun
- Tanking and waterproofing
Which rules apply in Cardiff?
- Kitchen and bathroom ratios are set in each council’s HMO standards.
- Councils assess hazards, including damp and mould, under the HHSRS, alongside the fitness for human habitation rules for occupation contracts.
- An electrical inspection and test at least every 5 years, with the report given to the contract-holder within 14 days.
Cardiff Council: local HMO schemes
| Additional licensing | In force in part of the council area Cathays: 1 Feb 2023 to 1 Feb 2028. Plasnewydd had a scheme from 1 Jan 2021; check with Cardiff Council whether it has been renewed. |
|---|---|
| Selective licensing | No scheme found |
Schemes change. Check the council’s current pages for the exact address in Cardiff before you buy or start work. Source: Cardiff Council HMO licensing page, checked 2026-10-31.
How much do shared bathroom and shower room refits cost in Cardiff?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Shared bathroom refit | £5,500 – £9,000 | £5,150 – £8,450 | bathroom |
| Ensuite shower room added to a bedroom | £4,000 – £10,000 | £3,750 – £9,400 | ensuite |
| Mould treatment and making good | £250 – £500 | £240 – £470 | room |
Typical time on site: 5–10 working days. For a figure for your house, try the guide-price tool.
Shared bathroom and shower room refits by town in Cardiff
Questions about shared bathroom and shower room refits in Cardiff
How many bathrooms does my HMO need?
The national test is adequacy; councils usually set a ratio, often one bathroom per five sharers, with an extra WC in some cases. We check your council’s figure.
Will you work while tenants use the house?
Yes, if another bathroom is available. We plan the work so the house is never left without one.
Do you carry out shared bathroom and shower room refits across Cardiff?
Yes, across the whole of Cardiff, including Cardiff, Whitchurch.
Who licenses HMOs in Cardiff?
Cardiff council licenses HMOs in its area. Landlords must also register with Rent Smart Wales.
Other HMO services in Cardiff
- Ensuite installation in Cardiff
- Damp, mould and HHSRS repairs in Cardiff
- Communal kitchen refits in Cardiff
- Void and between-tenancy refurbs in Cardiff
- Full HMO refurbishment in Cardiff
- Layout changes and room reconfiguration in Cardiff
- Large HMO conversions (7+ sharers) in Cardiff
- Professional and co-living HMO refurbs in Cardiff