In short: A commercial to HMO conversion turns space that was never a home, such as upper floors over shops or small office buildings, into shared accommodation. Across Conwy, the work is planned around Wales’s HMO rules and the standards the local council publishes.
- Nation
- Wales
- Pricing region
- Wales
- Postcode areas
- LL
- Main towns
- Colwyn Bay, Llandudno
What does commercial and above-shop to HMO in Conwy involve?
- Fire separation between the commercial unit and the homes above
- Separate entrance and protected escape route
- New kitchens, bathrooms and ensuites
- Survey of structure, services and access
- Windows and thermal upgrades
- Sound insulation to floors and party walls
Which rules apply in Conwy?
- Councils such as Cardiff and Swansea run additional licensing for HMOs outside the mandatory scheme.
- More than 6 sharers is a sui generis HMO and needs planning permission; councils such as Cardiff apply concentration limits.
- Building regulations cover structural work, partitions, drainage, fire-resisting construction and electrics; confirm with building control whether the conversion is a material change of use.
- 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 does commercial and above-shop to HMO cost in Conwy?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Conversion works per letting room (walls, linings, electrics, decoration; excludes kitchens, bathrooms and fire systems; our estimate) | £3,500 – £6,500 | £3,300 – £6,100 | letting room |
| Panel alarm system (Grade A type), larger HMO | £1,750 – £4,500 | £1,650 – £4,250 | house |
| Acoustic ceiling or floor upgrade, 12–15 m² | £800 – £2,700 | £750 – £2,550 | room |
| Communal HMO kitchen with extra cooking and sink capacity (our estimate from domestic ranges) | £8,000 – £18,000 | £7,500 – £16,900 | kitchen |
| Ensuite shower room added to a bedroom | £4,000 – £10,000 | £3,750 – £9,400 | ensuite |
Typical time on site: 12–24 weeks. For a figure for your house, try the guide-price tool.
Commercial and above-shop to HMO by town in Conwy
Questions about commercial and above-shop to HMO in Conwy
Is building control needed?
Yes. Changing commercial space to residential use is a material change of use and needs building regulations approval.
Do you work on listed or conservation area buildings?
Yes, with the right consents in place. Older high street buildings often need extra care with windows, fire upgrades and sound insulation.
Do you carry out commercial and above-shop to HMO across Conwy?
Yes, across the whole of Conwy, including Colwyn Bay, Llandudno.
Who licenses HMOs in Conwy?
Conwy council licenses HMOs in its area. Landlords must also register with Rent Smart Wales.
Other HMO services in Conwy
- Large HMO conversions (7+ sharers) in Conwy
- Escape routes, emergency lighting and fire stopping in Conwy
- Sound insulation in Conwy
- EPC and energy upgrades in Conwy
- Rewires and EICR remedials in Conwy
- Layout changes and room reconfiguration in Conwy
- Professional and co-living HMO refurbs in Conwy
- Void and between-tenancy refurbs in Conwy