- Nation
- Wales
- Pricing region
- Wales
- Postcode areas
- NP
- Main towns
- Brynmawr, Abergavenny
What does commercial and above-shop to HMO in Monmouthshire involve?
- Coordination with planning and building control
- New kitchens, bathrooms and ensuites
- Fire separation between the commercial unit and the homes above
- Separate entrance and protected escape route
- Sound insulation to floors and party walls
- New electrics, heating and ventilation
Which rules apply in Monmouthshire?
- Councils such as Cardiff and Swansea run additional licensing for HMOs outside the mandatory scheme.
- 3–6 sharers is use class C4, and in Wales changing a house to C4 always needs planning permission; only C4 back to C3 is permitted development.
- 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 Monmouthshire?
| 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 Monmouthshire
Questions about commercial and above-shop to HMO in Monmouthshire
Is building control needed?
Yes. Changing commercial space to residential use is a material change of use and needs building regulations approval.
What about the shop below?
The homes above must be separated from the commercial unit by fire-resisting construction, and the escape route must not pass through the shop. We design the separation as part of the building control application.
Do you carry out commercial and above-shop to HMO across Monmouthshire?
Yes, across the whole of Monmouthshire, including Brynmawr, Abergavenny.
Who licenses HMOs in Monmouthshire?
Monmouthshire council licenses HMOs in its area. Landlords must also register with Rent Smart Wales.
Other HMO services in Monmouthshire
- Large HMO conversions (7+ sharers) in Monmouthshire
- Escape routes, emergency lighting and fire stopping in Monmouthshire
- Sound insulation in Monmouthshire
- EPC and energy upgrades in Monmouthshire
- Rewires and EICR remedials in Monmouthshire
- Layout changes and room reconfiguration in Monmouthshire
- Void and between-tenancy refurbs in Monmouthshire
- Extensions for extra rooms in Monmouthshire