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 Pimlico 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
- Greater London, England
- Postcodes
- SW1
- Location
- 1 miles south of London
- Pricing region
- London
What do extensions for extra rooms in Pimlico involve?
- Heating, insulation and glazing
- Party wall coordination where needed
- Ensuite drainage and extraction
- Kitchen or bedroom fit-out
- Fire separation and detection extended to the new space
Which rules apply in Pimlico?
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 Pimlico 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.
- Council standards often step up at 5 and 6 sharers, for example a separate WC at 5 and a second bathroom from 6.
How much do extensions for extra rooms cost in Pimlico?
| 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 |
These are typical ranges including VAT, adjusted for London, where costs run above the UK average. The fixed price for a house in Pimlico follows a site visit.
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 Pimlico landlords need it?
Typical reasons for this work in Pimlico:
- A kitchen too small for the number of sharers
- Adding a ground-floor room
Questions about extensions for extra rooms in Pimlico
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.
How far do you travel from Pimlico?
We cover the whole of Greater London and work UK-wide. For Pimlico the nearest towns on our list are City of Westminster (1 miles), Battersea (1 miles), Chelsea (1 miles).
Where do I check the HMO rules for an address in Pimlico?
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 Pimlico?
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 Pimlico
- City of Westminster · 1 mi
- Battersea · 1 mi
- Chelsea · 1 mi
- London · 1 mi
- Brixton · 2 mi
- Fulham · 3 mi
- All of Greater London
Other HMO services in Pimlico
- Loft conversions for extra rooms in Pimlico
- Communal kitchen refits in Pimlico
- Layout changes and room reconfiguration in Pimlico
- Large HMO conversions (7+ sharers) in Pimlico
- Ensuite installation in Pimlico
- House to HMO conversion in Pimlico
- Professional and co-living HMO refurbs in Pimlico
- EPC and energy upgrades in Pimlico