An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Brixton is 3 miles south of London. We price extensions for extra rooms there against England’s HMO rules and the council’s written HMO standards, so work is planned to the standard an inspection looks for.
- Area
- Greater London, England
- Postcodes
- SW2, SW4 and SW9
- Location
- 3 miles south of London
- Pricing region
- London
What do extensions for extra rooms in Brixton involve?
- Planning route check and drawings
- Heating, insulation and glazing
- Kitchen or bedroom fit-out
- Foundations, structure and roof
- Fire separation and detection extended to the new space
Which rules apply in Brixton?
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 Brixton before we price.
- 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.
- Smoke alarms on every storey with living accommodation and CO alarms by fixed combustion appliances (other than gas cookers) are required by law.
- 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 Brixton?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £44,800 – £76,800 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £2,300 – £5,100 | m² |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Brixton can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Allow 8–14 weeks on site for a typical job. Drawings, approvals and long-lead items such as kitchens or fire door sets are booked before we start.
When do Brixton landlords need it?
Landlords in Brixton most often ask us for this when:
- Moving to more sharers with consent
- A kitchen too small for the number of sharers
Questions about extensions for extra rooms in Brixton
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 Brixton?
Yes. We work across Brixton and the SW2, SW4 and SW9 postcode areas, plus the rest of Greater London. Nearby places we also cover include Peckham, Pimlico, Battersea.
Does a shared house in Brixton 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 Brixton?
Our guide ranges for London 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 Brixton
- Peckham · 2 mi
- Pimlico · 2 mi
- Battersea · 2 mi
- City of Westminster · 3 mi
- Streatham · 3 mi
- London · 3 mi
- All of Greater London
Other HMO services in Brixton
- Loft conversions for extra rooms in Brixton
- Communal kitchen refits in Brixton
- Layout changes and room reconfiguration in Brixton
- Large HMO conversions (7+ sharers) in Brixton
- Ensuite installation in Brixton
- House to HMO conversion in Brixton
- Bedroom upgrades and room refits in Brixton
- Small HMO conversions (3–6 sharers) in Brixton