An HMO loft conversion adds one or two letting rooms, often with an ensuite, in the roof space. In Richmond, a town of about 21,000 people in Greater London, the work is planned around the HMO rules for England and the council’s written HMO standards.
- Area
- Greater London, England
- Postcodes
- TW9 and TW10
- Location
- 8 miles south-west of London
- Pricing region
- London
What do loft conversions for extra rooms in Richmond involve?
- New stair within the protected route
- Ensuite where space allows
- Fire doors and extended alarm system
- Planning or permitted development check
- Dormer or roof windows
Which rules apply in Richmond?
The rules below are the England-wide position for this kind of work. Councils add their own standards and schemes on top, so we always check the address in Richmond before we price.
- 3–6 unrelated sharers is use class C4; changing from a family house is usually permitted development unless an Article 4 direction applies.
- 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 Richmond?
| 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 Richmond 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 Richmond landlords need it?
Landlords in Richmond most often ask us for this 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 Richmond
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.
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.
Does a shared house in Richmond 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 loft conversions for extra rooms 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.
Loft conversions for extra rooms 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
- Extensions for extra rooms in Richmond
- Large HMO conversions (7+ sharers) in Richmond
- Escape routes, emergency lighting and fire stopping in Richmond
- Ensuite installation in Richmond
- Layout changes and room reconfiguration in Richmond
- Fire alarm and detection systems in Richmond
- Sound insulation in Richmond
- Fire doors in Richmond