An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. In Basingstoke, a place of roughly 110,000 people in Hampshire, the work is planned around the HMO rules for England and the council’s written HMO standards.
- Area
- Hampshire, England
- Postcodes
- RG21, RG24 and RG25
- Location
- 14 miles south of Reading
- Pricing region
- South East
What do extensions for extra rooms in Basingstoke involve?
- Building control completion
- Fire separation and detection extended to the new space
- Foundations, structure and roof
- Kitchen or bedroom fit-out
- Ensuite drainage and extraction
Which rules apply in Basingstoke?
The rules below are the England-wide position for this kind of work. Councils add their own standards and schemes on top, so we always check the address in Basingstoke before we price.
- 7 or more sharers is a sui generis large HMO and normally needs planning permission.
- 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.
How much do extensions for extra rooms cost in Basingstoke?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £39,200 – £67,200 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £2,000 – £4,500 | m² |
These are typical ranges including VAT, adjusted for South East, where costs run above the UK average. The fixed price for a house in Basingstoke follows a site visit.
How long does it take?
Most jobs of this kind take 8–14 weeks. If a council deadline applies in Basingstoke, tell us at the first call so the programme is built around it.
When do Basingstoke landlords need it?
We usually get the call when:
- Moving to more sharers with consent
- A kitchen too small for the number of sharers
Questions about extensions for extra rooms in Basingstoke
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 cover all of Basingstoke?
Yes. We work across Basingstoke and the RG21, RG24 and RG25 postcode areas, plus the rest of Hampshire. Nearby places we also cover include Fleet, Thatcham, Yateley.
Where do I check the HMO rules for an address in Basingstoke?
With the local council for the address. 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 Basingstoke?
Our guide ranges for South East are in the table on this page, and the guide-price tool gives a figure for your house. A fixed written quote follows a free site visit.
Extensions for extra rooms near Basingstoke
- Fleet · 11 mi
- Thatcham · 12 mi
- Yateley · 12 mi
- Farnham · 13 mi
- Lower Earley · 13 mi
- Aldershot · 14 mi
- All of Hampshire
Other HMO services in Basingstoke
- Loft conversions for extra rooms in Basingstoke
- Communal kitchen refits in Basingstoke
- Layout changes and room reconfiguration in Basingstoke
- Large HMO conversions (7+ sharers) in Basingstoke
- Ensuite installation in Basingstoke
- House to HMO conversion in Basingstoke
- Fire doors in Basingstoke
- Small HMO conversions (3–6 sharers) in Basingstoke