In short: An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Across Nottinghamshire, the work is planned around England’s HMO rules and the standards the local council publishes.
- Nation
- England
- Pricing region
- East Midlands
- Postcode areas
- NG, DN, S, LE
- Main towns
- Nottingham, Mansfield, Worksop, Newark on Trent, Arnold
What do extensions for extra rooms in Nottinghamshire involve?
- Party wall coordination where needed
- Heating, insulation and glazing
- Foundations, structure and roof
- Fire separation and detection extended to the new space
- Building control completion
- Ensuite drainage and extraction
Which rules apply in Nottinghamshire?
- 3–6 unrelated sharers is use class C4; changing from a family house is usually permitted development unless an Article 4 direction applies.
- Building regulations cover structural changes, new partitions, ensuite drainage, fire-resisting construction and notifiable electrical work.
- The Fire Safety Order 2005 applies to the common parts of HMOs, enforced by the fire and rescue authority.
- 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.
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 extensions for extra rooms cost in Nottinghamshire?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £33,950 – £58,200 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £1,750 – £3,900 | m² |
Typical time on site: 8–14 weeks. For a figure for your house, try the guide-price tool.
Extensions for extra rooms by town in Nottinghamshire
- Nottingham
- Mansfield
- Worksop
- Newark on Trent
- Arnold
- West Bridgford
- Sutton in Ashfield
- Hucknall
- Kirkby in Ashfield
- Retford
Questions about extensions for extra rooms in Nottinghamshire
Do you handle building control?
Yes, from application to completion certificate.
Can I extend an HMO under permitted development?
Some extensions to houses are permitted development, but rules differ for HMOs and by nation and council. We check the address before design.
Do you carry out extensions for extra rooms across Nottinghamshire?
Yes, across the whole of Nottinghamshire, including Nottingham, Mansfield, Worksop.
Who licenses HMOs in Nottinghamshire?
HMOs in Nottinghamshire 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 Nottinghamshire
- Loft conversions for extra rooms in Nottinghamshire
- Communal kitchen refits in Nottinghamshire
- Layout changes and room reconfiguration in Nottinghamshire
- Large HMO conversions (7+ sharers) in Nottinghamshire
- Ensuite installation in Nottinghamshire
- House to HMO conversion in Nottinghamshire
- Bedroom upgrades and room refits in Nottinghamshire
- Rewires and EICR remedials in Nottinghamshire