A small HMO is a shared house for three to six unrelated people. For a house in Richmond 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
- TW9 and TW10
- Location
- 8 miles south-west of London
- Pricing region
- London
What do small HMO conversions (3–6 sharers) in Richmond involve?
- Second bathroom, shower room or ensuites
- Room-by-room size check before any work starts
- Locks, door closers and thumb-turn locks on the exit route
- Decoration and durable flooring
- Interlinked smoke and heat detection
Which rules apply in Richmond?
Small HMO conversions (3–6 sharers) in Richmond 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:
- Mandatory HMO licence for 5 or more people in 2 or more households (since October 2018); councils can add additional licensing for smaller HMOs.
- 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 small HMO conversions (3–6 sharers) cost in Richmond?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Typical 3–4 bed house to a 5–6 bed HMO, all-in | £30,000 – £75,000 | £38,400 – £96,000 | project |
| 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 |
| Shared bathroom refit | £5,500 – £9,000 | £7,050 – £11,500 | bathroom |
| Interlinked mains alarm system (Grade D type), small HMO (our estimate from installer guides) | £800 – £2,000 | £1,000 – £2,550 | house |
| FD30S fire door leaf into an existing frame, with seals, closer and hinges, fitted | £300 – £600 | £380 – £770 | door |
These are typical ranges including VAT, adjusted for London, where costs run above the UK average. The fixed price for a house in Richmond follows a site visit.
How long does it take?
Typical time on site: 4–10 weeks. We agree the programme with you before starting and send photo updates as the work progresses.
When do Richmond landlords need it?
We usually get the call when:
- A three or four-bedroom house you want to let to sharers
- An existing small HMO needs bringing up to date
Questions about small HMO conversions (3–6 sharers) in Richmond
What is the smallest room I can let?
In a licensed HMO in England, a room for one person aged 10 or over must be at least 6.51 square metres, not counting floor under a ceiling lower than 1.5 metres. Councils can set larger sizes, and Wales, Scotland and Northern Ireland have their own standards. We measure every room before you commit to a layout.
Do you cover all of Richmond?
Yes. We work across Richmond and the TW9 and TW10 postcode areas, plus the rest of Greater London. Nearby places we also cover include Isleworth, Hounslow, Barnes.
Where do I check the HMO rules for an address in Richmond?
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 small HMO conversions (3–6 sharers) cost in Richmond?
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.
Small HMO conversions (3–6 sharers) near Richmond
- Isleworth · 2 mi
- Hounslow · 2 mi
- Barnes · 3 mi
- Chiswick · 3 mi
- Heston · 3 mi
- Acton · 4 mi
- All of Greater London
Other HMO services in Richmond
- House to HMO conversion in Richmond
- Ensuite installation in Richmond
- Fire alarm and detection systems in Richmond
- Communal kitchen refits in Richmond
- Fire doors in Richmond
- Licence condition and schedule-of-works in Richmond
- Professional and co-living HMO refurbs in Richmond
- Shared bathroom and shower room refits in Richmond