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. In Isle of Anglesey 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
What does commercial and above-shop to HMO in Isle of Anglesey involve?
- Windows and thermal upgrades
- Coordination with planning and building control
- Separate entrance and protected escape route
- New electrics, heating and ventilation
- New kitchens, bathrooms and ensuites
- Sound insulation to floors and party walls
Which rules apply in Isle of Anglesey?
- Mandatory licence for HMOs with 3 or more storeys and 5 or more people in 2 or more households; Wales did not adopt England’s 2018 change.
- 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.
- Council HMO standards and the fire risk assessment set detection, fire doors and escape routes.
- 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 Isle of Anglesey?
| 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.
Questions about commercial and above-shop to HMO in Isle of Anglesey
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 Isle of Anglesey?
Yes, across the whole of Isle of Anglesey.
Who licenses HMOs in Isle of Anglesey?
Isle of Anglesey council licenses HMOs in its area. Landlords must also register with Rent Smart Wales.
Other HMO services in Isle of Anglesey
- Large HMO conversions (7+ sharers) in Isle of Anglesey
- Escape routes, emergency lighting and fire stopping in Isle of Anglesey
- Sound insulation in Isle of Anglesey
- EPC and energy upgrades in Isle of Anglesey
- Rewires and EICR remedials in Isle of Anglesey
- Layout changes and room reconfiguration in Isle of Anglesey
- Extensions for extra rooms in Isle of Anglesey
- Professional and co-living HMO refurbs in Isle of Anglesey