A house to HMO conversion turns a single-family home into a house in multiple occupation: a shared home for unrelated people with private bedrooms and shared kitchen or bathroom space. 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 does house to HMO conversion in Isleworth involve?
- New stud walls, door openings and room splits
- Fire doors, fire-rated linings and an interlinked fire alarm
- A communal kitchen sized for the number of sharers
- Rewiring or upgrades, with an electrical certificate
- Layout drawings showing bedrooms, kitchens, bathrooms and the escape route
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.
- 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.
- 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 does house to HMO conversion cost in Isleworth?
| 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 |
| 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 |
| Interlinked mains alarm system (Grade D type), small HMO (our estimate from installer guides) | £800 – £2,000 | £1,000 – £2,550 | house |
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?
Typical time on site: 6–14 weeks. We agree the programme with you before starting and send photo updates as the work progresses.
When do Isleworth landlords need it?
Typical reasons for this work in Isleworth:
- A council has said an existing shared house needs works before a licence
- A family let is moving to room-by-room letting
Questions about house to HMO conversion in Isleworth
Will the house pass licensing once the works are done?
We build to the standards your council publishes and give you the certificates and drawings an inspection asks for. The licence decision belongs to the licensing authority, so we never promise approval, but we design to meet the written standards from day one.
How far do you travel from Isleworth?
We cover the whole of Greater London and work UK-wide. For Isleworth the nearest towns on our list are Hounslow (1 miles), Heston (2 miles), Richmond (2 miles).
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 does house to HMO conversion 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.
House to HMO conversion 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
- Small HMO conversions (3–6 sharers) in Isleworth
- Large HMO conversions (7+ sharers) in Isleworth
- HMO fire safety upgrades in Isleworth
- Ensuite installation in Isleworth
- Communal kitchen refits in Isleworth
- Layout changes and room reconfiguration in Isleworth
- Fire alarm and detection systems in Isleworth
- Escape routes, emergency lighting and fire stopping in Isleworth