An HMO loft conversion adds one or two letting rooms, often with an ensuite, in the roof space. For a house in Sutton we start with a measured survey, check the council’s written HMO standards for the number of sharers, and then price each item separately.
- Area
- Greater London, England
- Postcodes
- CR44, SM1, SM2 and SM3
- Location
- 11 miles south of London
- Pricing region
- London
What do loft conversions for extra rooms in Sutton involve?
- Ensuite where space allows
- Fire doors and extended alarm system
- Building control sign-off
- Dormer or roof windows
- Planning or permitted development check
Which rules apply in Sutton?
Here is what usually applies to a Sutton 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.
- Building regulations cover structural changes, new partitions, ensuite drainage, fire-resisting construction and notifiable electrical work.
- 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 Sutton?
| 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 Sutton 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 6–10 weeks. If a council deadline applies in Sutton, tell us at the first call so the programme is built around it.
When do Sutton landlords need it?
We usually get the call when:
- Adding rooms to make an HMO work financially
- A house with usable roof space
Questions about loft conversions for extra rooms in Sutton
Will the loft room count for licensing?
Only the floor area with at least 1.5 metres of headroom counts towards the room size in England.
Which postcodes in Sutton do you work in?
All of them, including CR44, SM1, SM2 and SM3, and the surrounding parts of Greater London.
Where do I check the HMO rules for an address in Sutton?
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 Sutton?
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 Sutton
- Carshalton · 2 mi
- Banstead · 2 mi
- Ewell · 2 mi
- Wallington · 2 mi
- Coulsdon · 3 mi
- Epsom · 3 mi
- All of Greater London
Other HMO services in Sutton
- Extensions for extra rooms in Sutton
- Large HMO conversions (7+ sharers) in Sutton
- Escape routes, emergency lighting and fire stopping in Sutton
- Ensuite installation in Sutton
- Layout changes and room reconfiguration in Sutton
- Fire alarm and detection systems in Sutton
- Full HMO refurbishment in Sutton
- Bedroom upgrades and room refits in Sutton