A commercial to HMO conversion turns space that was never a home, such as upper floors over shops or small office buildings, into shared accommodation. For a house in Chelsea 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
- SW3 and SW10
- Location
- 2 miles south-west of London
- Pricing region
- London
What does commercial and above-shop to HMO in Chelsea involve?
- Coordination with planning and building control
- New kitchens, bathrooms and ensuites
- New electrics, heating and ventilation
- Sound insulation to floors and party walls
- Windows and thermal upgrades
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.
- Mandatory HMO licence for 5 or more people in 2 or more households (since October 2018); councils can add additional licensing for smaller HMOs.
- 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.
How much does commercial and above-shop to HMO 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 |
| Acoustic ceiling or floor upgrade, 12–15 m² | £800 – £2,700 | £1,000 – £3,450 | room |
| Communal HMO kitchen with extra cooking and sink capacity (our estimate from domestic ranges) | £8,000 – £18,000 | £10,250 – £23,050 | kitchen |
| Ensuite shower room added to a bedroom | £4,000 – £10,000 | £5,100 – £12,800 | ensuite |
These are typical ranges including VAT, adjusted for London, where costs run above the UK average. The fixed price for a house in Chelsea follows a site visit.
How long does it take?
Allow 12–24 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?
We usually get the call when:
- A small office building with planning for residential use
- Empty upper floors above a shop you own
Questions about commercial and above-shop to HMO in Chelsea
What about the shop below?
The homes above must be separated from the commercial unit by fire-resisting construction, and the escape route must not pass through the shop. We design the separation as part of the building control application.
How far do you travel from Chelsea?
We cover the whole of Greater London and work UK-wide. For Chelsea the nearest towns on our list are Battersea (1 miles), Fulham (1 miles), Pimlico (1 miles).
Where do I check the HMO rules for an address in Chelsea?
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 does commercial and above-shop to HMO 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.
Commercial and above-shop to HMO 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
- Large HMO conversions (7+ sharers) in Chelsea
- Escape routes, emergency lighting and fire stopping in Chelsea
- Sound insulation in Chelsea
- EPC and energy upgrades in Chelsea
- Rewires and EICR remedials in Chelsea
- Layout changes and room reconfiguration in Chelsea
- Full HMO refurbishment in Chelsea
- Damp, mould and HHSRS repairs in Chelsea