An HMO loft conversion adds one or two letting rooms, often with an ensuite, in the roof space. For a house in South Croydon 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
- CR0, CR7 and CR8
- Location
- 10 miles south of London
- Pricing region
- London
What do loft conversions for extra rooms in South Croydon involve?
- Planning or permitted development check
- Building control sign-off
- Feasibility and head-height check
- Dormer or roof windows
- New stair within the protected route
Which rules apply in South Croydon?
Loft conversions for extra rooms in South Croydon must satisfy national law for England, the council’s written HMO standards and, where walls, drainage or fire separation change, the building rules. In short:
- 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 South Croydon?
| 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 |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in South Croydon can move the figure either way, which is why we quote after seeing the house.
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 South Croydon landlords need it?
We usually get the call when:
- A house with usable roof space
- Moving to a larger HMO with the right consents
Questions about loft conversions for extra rooms in South Croydon
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.
Which postcodes in South Croydon do you work in?
All of them, including CR0, CR7 and CR8, and the surrounding parts of Greater London.
Does a shared house in South Croydon 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 South Croydon?
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 South Croydon
- Croydon · 1 mi
- Purley · 2 mi
- Wallington · 3 mi
- Carshalton · 3 mi
- Coulsdon · 4 mi
- Mitcham · 4 mi
- All of Greater London
Other HMO services in South Croydon
- Extensions for extra rooms in South Croydon
- Large HMO conversions (7+ sharers) in South Croydon
- Escape routes, emergency lighting and fire stopping in South Croydon
- Ensuite installation in South Croydon
- Layout changes and room reconfiguration in South Croydon
- Fire alarm and detection systems in South Croydon
- Bedroom upgrades and room refits in South Croydon
- Void and between-tenancy refurbs in South Croydon