- Nation
- England
- Pricing region
- South East
- Postcode areas
- OX, RG, SN, GL
- Main towns
- Oxford, Banbury, Abingdon, Bicester, Didcot
What do large HMO conversions (7+ sharers) in Oxfordshire involve?
- Second kitchen or extra kitchen capacity
- Fire alarm and detection system sized for the building
- Protected stair and landing with fire doors and fire stopping
- Sound insulation between rooms and floors
- Feasibility review and measured survey
- Ensuites or extra bathrooms
Which rules apply in Oxfordshire?
- Licences last up to 5 years and carry conditions on gas and electrical safety, alarms, room sizes and waste.
- Licensed HMOs must meet national minimum bedroom sizes: 6.51 m² for one person aged 10 or over, 10.22 m² for two, and 4.64 m² for a child under 10.
- National rules ask for an adequate number of bathrooms, WCs and basins and suitably located kitchens; numeric ratios are set by each council.
- 7 or more sharers is a sui generis large HMO and normally needs planning permission.
- A conversion can be a material change of use under the building regulations, so confirm with building control before work starts.
Councils in England can add additional licensing and Article 4 directions on top of the national rules. Check the council’s website for the exact address before you buy or start work.
How much do large HMO conversions (7+ sharers) cost in Oxfordshire?
| 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 | £3,900 – £7,300 | letting room |
| Panel alarm system (Grade A type), larger HMO | £1,750 – £4,500 | £1,950 – £5,050 | house |
| Protected route upgrades: fire-resisting linings, fire stopping, lighting (three-storey house, our estimate) | £2,000 – £6,000 | £2,250 – £6,700 | house |
| Ensuite shower room added to a bedroom | £4,000 – £10,000 | £4,500 – £11,200 | ensuite |
| Communal HMO kitchen with extra cooking and sink capacity (our estimate from domestic ranges) | £8,000 – £18,000 | £8,950 – £20,150 | kitchen |
Typical time on site: 10–20 weeks. For a figure for your house, try the guide-price tool.
Large HMO conversions (7+ sharers) by town in Oxfordshire
Questions about large HMO conversions (7+ sharers) in Oxfordshire
Does a seven-bed HMO need planning permission?
In England, normally yes: seven or more unrelated sharers is a sui generis use outside class C4. Wales and Northern Ireland require permission for new HMOs anyway, and in Scotland more than five residents falls outside the houses class. Councils also apply concentration policies, so we check the address first.
Can you work with my architect?
Yes. We often build from an architect’s drawings, or we can recommend a designer to prepare them.
Do you carry out large HMO conversions (7+ sharers) across Oxfordshire?
Yes, across the whole of Oxfordshire, including Oxford, Banbury, Abingdon.
Who licenses HMOs in Oxfordshire?
HMOs in Oxfordshire are licensed by the local council for the address. Where an area has several councils, each runs its own licensing and planning policies.
Other HMO services in Oxfordshire
- House to HMO conversion in Oxfordshire
- Escape routes, emergency lighting and fire stopping in Oxfordshire
- Fire alarm and detection systems in Oxfordshire
- Sound insulation in Oxfordshire
- Loft conversions for extra rooms in Oxfordshire
- Extensions for extra rooms in Oxfordshire
- HMO fire safety upgrades in Oxfordshire
- Fire doors in Oxfordshire