A large HMO is a shared house for seven or more people. Landlords in Chelsea (SW3 and SW10) usually come to us with a council letter, a fire risk assessment or a house they have just bought. We price from whichever you have.
- Area
- Greater London, England
- Postcodes
- SW3 and SW10
- Location
- 2 miles south-west of London
- Pricing region
- London
What do large HMO conversions (7+ sharers) in Chelsea involve?
- Planning and building control drawings, coordinated with your designer
- Sound insulation between rooms and floors
- Feasibility review and measured survey
- Ensuites or extra bathrooms
- Second kitchen or extra kitchen capacity
Which rules apply in Chelsea?
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 Chelsea before we price.
- Licences last up to 5 years and carry conditions on gas and electrical safety, alarms, room sizes and waste.
- Licensed HMOs must meet national minimum bedroom sizes: 6.51 m² for one person aged 10 or over, 10.22 m² for two, and 4.64 m² for a child under 10.
- Council standards often step up at 5 and 6 sharers, for example a separate WC at 5 and a second bathroom from 6.
- 3–6 unrelated sharers is use class C4; changing from a family house is usually permitted development unless an Article 4 direction applies.
How much do large HMO conversions (7+ sharers) cost in Chelsea?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Conversion works per letting room (walls, linings, electrics, decoration; excludes kitchens, bathrooms and fire systems; our estimate) | £3,500 – £6,500 | £4,500 – £8,300 | letting room |
| Panel alarm system (Grade A type), larger HMO | £1,750 – £4,500 | £2,250 – £5,750 | house |
| Protected route upgrades: fire-resisting linings, fire stopping, lighting (three-storey house, our estimate) | £2,000 – £6,000 | £2,550 – £7,700 | house |
| Ensuite shower room added to a bedroom | £4,000 – £10,000 | £5,100 – £12,800 | ensuite |
| Communal HMO kitchen with extra cooking and sink capacity (our estimate from domestic ranges) | £8,000 – £18,000 | £10,250 – £23,050 | kitchen |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Chelsea can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Allow 10–20 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 Chelsea landlords need it?
Landlords in Chelsea most often ask us for this when:
- You have planning in place, or want to apply
- An existing large HMO needs works before a licence renewal
Questions about large HMO conversions (7+ sharers) in Chelsea
Does a seven-bed HMO need planning permission?
In England, normally yes: seven or more unrelated sharers is a sui generis use outside class C4. Wales and Northern Ireland require permission for new HMOs anyway, and in Scotland more than five residents falls outside the houses class. Councils also apply concentration policies, so we check the address first.
Which postcodes in Chelsea do you work in?
All of them, including SW3 and SW10, and the surrounding parts of Greater London.
Does a shared house in Chelsea 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 large HMO conversions (7+ sharers) cost in Chelsea?
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.
Large HMO conversions (7+ sharers) near Chelsea
- Battersea · 1 mi
- Fulham · 1 mi
- Pimlico · 1 mi
- City of Westminster · 2 mi
- Notting Hill · 2 mi
- London · 2 mi
- All of Greater London
Other HMO services in Chelsea
- House to HMO conversion in Chelsea
- Escape routes, emergency lighting and fire stopping in Chelsea
- Fire alarm and detection systems in Chelsea
- Sound insulation in Chelsea
- Loft conversions for extra rooms in Chelsea
- Extensions for extra rooms in Chelsea
- Full HMO refurbishment in Chelsea
- Ensuite installation in Chelsea