An HMO loft conversion adds one or two letting rooms, often with an ensuite, in the roof space. Landlords in Hanworth (TW12 and TW13) 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
- TW12 and TW13
- Location
- 12 miles south-west of London
- Pricing region
- London
What do loft conversions for extra rooms in Hanworth involve?
- Feasibility and head-height check
- Dormer or roof windows
- New stair within the protected route
- Building control sign-off
- Structural design and steelwork
Which rules apply in Hanworth?
Here is what usually applies to a Hanworth job of this kind. It is general information rather than legal advice, and the council’s written HMO standards have the final detail.
- 7 or more sharers is a sui generis large HMO and normally needs planning permission.
- 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.
- 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.
How much do loft conversions for extra rooms cost in Hanworth?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Dormer loft conversion, about 30 m² | £40,000 – £60,000 | £51,200 – £76,800 | project |
| Rooflight loft conversion, about 30 m² | £22,500 – £30,000 | £28,800 – £38,400 | project |
Prices in Hanworth 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 6–10 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 Hanworth landlords need it?
We usually get the call when:
- Adding rooms to make an HMO work financially
- Moving to a larger HMO with the right consents
Questions about loft conversions for extra rooms in Hanworth
Does a loft room need a fire escape window?
In an HMO the main protection is usually a protected stair and fire doors. The building regulations and fire strategy decide the detail.
How far do you travel from Hanworth?
We cover the whole of Greater London and work UK-wide. For Hanworth the nearest towns on our list are Hampton (2 miles), Feltham (2 miles), Sunbury-on-Thames (3 miles).
Where do I check the HMO rules for an address in Hanworth?
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 loft conversions for extra rooms cost in Hanworth?
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.
Loft conversions for extra rooms near Hanworth
- Hampton · 2 mi
- Feltham · 2 mi
- Sunbury-on-Thames · 3 mi
- Hounslow · 3 mi
- Ashford (Surrey) · 3 mi
- Isleworth · 3 mi
- All of Greater London
Other HMO services in Hanworth
- Extensions for extra rooms in Hanworth
- Large HMO conversions (7+ sharers) in Hanworth
- Escape routes, emergency lighting and fire stopping in Hanworth
- Ensuite installation in Hanworth
- Layout changes and room reconfiguration in Hanworth
- Fire alarm and detection systems in Hanworth
- Damp, mould and HHSRS repairs in Hanworth
- Shared bathroom and shower room refits in Hanworth