An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. For a house in Rottingdean we start with a measured survey, check the council’s written HMO standards for the number of sharers, and then price each item separately.
- Area
- East Sussex, England
- Postcodes
- BN2
- Location
- 4 miles east of Brighton
- Pricing region
- South East
What do extensions for extra rooms in Rottingdean involve?
- Heating, insulation and glazing
- Kitchen or bedroom fit-out
- Foundations, structure and roof
- Party wall coordination where needed
- Fire separation and detection extended to the new space
Which rules apply in Rottingdean?
Extensions for extra rooms in Rottingdean must satisfy national law for England, the council’s written HMO standards and, where walls, drainage or fire separation change, the building rules. In short:
- 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.
- 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 Rottingdean?
| 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 |
Prices in Rottingdean are shown with our regional adjustment for South East (above the UK average). Your quote is itemised and fixed in writing once the scope and specification are agreed.
How long does it take?
Most jobs of this kind take 8–14 weeks. If a council deadline applies in Rottingdean, tell us at the first call so the programme is built around it.
When do Rottingdean landlords need it?
We usually get the call when:
- A kitchen too small for the number of sharers
- Moving to more sharers with consent
Questions about extensions for extra rooms in Rottingdean
Will the extension affect neighbours?
Possibly, if it is on or near a boundary. Party wall procedures may apply in England and Wales.
Do you cover all of Rottingdean?
Yes. We work across Rottingdean and the BN2 postcode areas, plus the rest of East Sussex. Nearby places we also cover include Brighton, Hove, Portslade.
Does a shared house in Rottingdean need an HMO licence?
In England, a mandatory licence is needed for 5 or more people from 2 or more households. Smaller HMOs can need a licence where the council runs additional licensing, which is common in towns with many shared houses. Check the council’s website for the address.
How much do extensions for extra rooms cost in Rottingdean?
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 Rottingdean
- Brighton · 4 mi
- Hove · 5 mi
- Portslade · 7 mi
- Seaford · 8 mi
- Burgess Hill · 11 mi
- Haywards Heath · 13 mi
- All of East Sussex
Other HMO services in Rottingdean
- Loft conversions for extra rooms in Rottingdean
- Communal kitchen refits in Rottingdean
- Layout changes and room reconfiguration in Rottingdean
- Large HMO conversions (7+ sharers) in Rottingdean
- Ensuite installation in Rottingdean
- House to HMO conversion in Rottingdean
- Licence condition and schedule-of-works in Rottingdean
- Bedroom upgrades and room refits in Rottingdean