- Nation
- England
- Pricing region
- South East
- Postcode areas
- RG, SL, OX, GU
- Main towns
- Reading, Slough, Bracknell, Maidenhead, Wokingham
What do extensions for extra rooms in Berkshire involve?
- Kitchen or bedroom fit-out
- Planning route check and drawings
- Fire separation and detection extended to the new space
- Foundations, structure and roof
- Ensuite drainage and extraction
- Party wall coordination where needed
Which rules apply in Berkshire?
- 3–6 unrelated sharers is use class C4; changing from a family house is usually permitted development unless an Article 4 direction applies.
- A conversion can be a material change of use under the building regulations, so confirm with building control before work starts.
- 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 Berkshire?
| 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 |
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 Berkshire
Questions about extensions for extra rooms in Berkshire
Is a kitchen extension worth it?
Often, when the existing kitchen limits how many people the council will allow. A bigger kitchen can unlock an extra room.
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 Berkshire?
Yes, across the whole of Berkshire, including Reading, Slough, Bracknell.
Who licenses HMOs in Berkshire?
HMOs in Berkshire 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 Berkshire
- Loft conversions for extra rooms in Berkshire
- Communal kitchen refits in Berkshire
- Layout changes and room reconfiguration in Berkshire
- Large HMO conversions (7+ sharers) in Berkshire
- Ensuite installation in Berkshire
- House to HMO conversion in Berkshire
- HMO fire safety upgrades in Berkshire
- Licence condition and schedule-of-works in Berkshire