In short: A professional or co-living HMO refurbishment creates a higher-specification shared home: ensuite bedrooms, well-designed shared kitchens and lounges, good sound insulation, and finishes aimed at working tenants. In Gwynedd 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
- LL, SY
- Main towns
- Bangor (Gwynedd)
What do professional and co-living HMO refurbs in Gwynedd involve?
- Interior design and furnishing coordination
- Smart heating and lighting controls
- Designer communal kitchen and lounge
- Bike and bin storage
- Ensuite to every room where space allows
- Sound insulation between rooms
Which rules apply in Gwynedd?
- Councils such as Cardiff and Swansea run additional licensing for HMOs outside the mandatory scheme.
- England’s national room sizes do not apply in Wales; councils set their own room standards.
- Kitchen and bathroom ratios are set in each council’s HMO standards.
- Fitness for human habitation rules require mains-powered, interlinked smoke alarms on every storey and CO alarms where there is a gas, oil or solid-fuel appliance.
- Building regulations sound requirements can apply to conversions and new separating walls and floors.
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 professional and co-living HMO refurbs cost in Gwynedd?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Full refurbishment per letting room, with a share of communal areas (excludes kitchens, bathrooms and fire systems; our estimate) | £4,000 – £9,000 | £3,750 – £8,450 | letting room |
| Ensuite shower room added to a bedroom | £4,000 – £10,000 | £3,750 – £9,400 | ensuite |
| Communal HMO kitchen with extra cooking and sink capacity (our estimate from domestic ranges) | £8,000 – £18,000 | £7,500 – £16,900 | kitchen |
| Acoustic upgrade to a party or partition wall | £900 – £2,000 | £850 – £1,900 | wall |
Typical time on site: 8–16 weeks. For a figure for your house, try the guide-price tool.
Professional and co-living HMO refurbs by town in Gwynedd
Questions about professional and co-living HMO refurbs in Gwynedd
Do you do the interior design?
We coordinate finishes and fittings with you, and can work with your interior designer or furnishing supplier.
Can every room have an ensuite?
Only where the room is still big enough after the ensuite is taken out and drainage can be reached. We check both before designing.
Do you carry out professional and co-living HMO refurbs 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
- Ensuite installation in Gwynedd
- Sound insulation in Gwynedd
- Communal kitchen refits in Gwynedd
- Bedroom upgrades and room refits in Gwynedd
- Large HMO conversions (7+ sharers) in Gwynedd
- EPC and energy upgrades in Gwynedd
- Small HMO conversions (3–6 sharers) in Gwynedd
- Loft conversions for extra rooms in Gwynedd