A large HMO is a shared house for seven or more people. Landlords in Isleworth (TW3 and TW7) 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
- TW3 and TW7
- Location
- 10 miles west of London
- Pricing region
- London
What do large HMO conversions (7+ sharers) in Isleworth involve?
- Protected stair and landing with fire doors and fire stopping
- Feasibility review and measured survey
- Second kitchen or extra kitchen capacity
- Fire alarm and detection system sized for the building
- Sound insulation between rooms and floors
Which rules apply in Isleworth?
Here is what usually applies to a Isleworth job of this kind. It is general information rather than legal advice, and the council’s written HMO standards have the final detail.
- Mandatory HMO licence for 5 or more people in 2 or more households (since October 2018); councils can add additional licensing for smaller HMOs.
- Floor area under a ceiling lower than 1.5 m does not count towards the room size, and many councils set larger sizes.
- National rules ask for an adequate number of bathrooms, WCs and basins and suitably located kitchens; numeric ratios are set by each council.
- 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 Isleworth?
| 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 Isleworth 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?
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 Isleworth landlords need it?
Typical reasons for this work in Isleworth:
- A large house, three or more storeys, or a building with lots of rooms
- You have planning in place, or want to apply
Questions about large HMO conversions (7+ sharers) in Isleworth
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.
Which postcodes in Isleworth do you work in?
All of them, including TW3 and TW7, and the surrounding parts of Greater London.
Where do I check the HMO rules for an address in Isleworth?
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 large HMO conversions (7+ sharers) cost in Isleworth?
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 Isleworth
- Hounslow · 1 mi
- Heston · 2 mi
- Richmond · 2 mi
- Southall · 3 mi
- Hanworth · 3 mi
- Feltham · 4 mi
- All of Greater London
Other HMO services in Isleworth
- House to HMO conversion in Isleworth
- Escape routes, emergency lighting and fire stopping in Isleworth
- Fire alarm and detection systems in Isleworth
- Sound insulation in Isleworth
- Loft conversions for extra rooms in Isleworth
- Extensions for extra rooms in Isleworth
- Layout changes and room reconfiguration in Isleworth
- Shared bathroom and shower room refits in Isleworth