A large HMO is a shared house for seven or more people. Barnes is 6 miles south-west of London. We price large HMO conversions (7+ sharers) 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
- SW13
- Location
- 6 miles south-west of London
- Pricing region
- London
What do large HMO conversions (7+ sharers) in Barnes involve?
- Second kitchen or extra kitchen capacity
- Feasibility review and measured survey
- Protected stair and landing with fire doors and fire stopping
- Ensuites or extra bathrooms
- Planning and building control drawings, coordinated with your designer
Which rules apply in Barnes?
Large HMO conversions (7+ sharers) in Barnes 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:
- Under the Renters’ Rights Act, civil penalties reach £40,000 for offences such as running an unlicensed HMO.
- 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.
- 7 or more sharers is a sui generis large HMO and normally needs planning permission.
How much do large HMO conversions (7+ sharers) cost in Barnes?
| 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 |
Prices in Barnes are shown with our regional adjustment for London (above the UK average). Your quote is itemised and fixed in writing once the scope and specification are agreed.
How long does it take?
Most jobs of this kind take 10–20 weeks. If a council deadline applies in Barnes, tell us at the first call so the programme is built around it.
When do Barnes landlords need it?
Typical reasons for this work in Barnes:
- You have planning in place, or want to apply
- A large house, three or more storeys, or a building with lots of rooms
Questions about large HMO conversions (7+ sharers) in Barnes
Do you handle building control?
Yes. The building work in a large HMO conversion (partitions, fire separation, drainage, electrics) needs to meet the building regulations, and the conversion can also count as a material change of use. We confirm the route with building control, coordinate inspections and give you the completion paperwork.
Do you cover all of Barnes?
Yes. We work across Barnes and the SW13 postcode areas, plus the rest of Greater London. Nearby places we also cover include Chiswick, Putney, Fulham.
Does a shared house in Barnes 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 Barnes?
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 Barnes
- Chiswick · 1 mi
- Putney · 2 mi
- Fulham · 2 mi
- Shepherds Bush · 2 mi
- Richmond · 3 mi
- Acton · 3 mi
- All of Greater London
Other HMO services in Barnes
- House to HMO conversion in Barnes
- Escape routes, emergency lighting and fire stopping in Barnes
- Fire alarm and detection systems in Barnes
- Sound insulation in Barnes
- Loft conversions for extra rooms in Barnes
- Extensions for extra rooms in Barnes
- Professional and co-living HMO refurbs in Barnes
- Bedroom upgrades and room refits in Barnes