- Nation
- England
- Pricing region
- South East
- Postcode areas
- GU, RH, KT, TW
- Main towns
- Woking, Guildford, Esher, Redhill, Staines
What do loft conversions for extra rooms in Surrey involve?
- Structural design and steelwork
- Planning or permitted development check
- Fire doors and extended alarm system
- Feasibility and head-height check
- Building control sign-off
- New stair within the protected route
Which rules apply in Surrey?
- 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.
- The Fire Safety Order 2005 applies to the common parts of HMOs, enforced by the fire and rescue authority.
- 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.
- Under the Renters’ Rights Act, civil penalties reach £40,000 for offences such as running an unlicensed HMO.
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 Surrey?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Dormer loft conversion, about 30 m² | £40,000 – £60,000 | £44,800 – £67,200 | project |
| Rooflight loft conversion, about 30 m² | £22,500 – £30,000 | £25,200 – £33,600 | project |
Typical time on site: 6–10 weeks. For a figure for your house, try the guide-price tool.
Loft conversions for extra rooms by town in Surrey
- Woking
- Guildford
- Esher
- Redhill
- Staines
- Banstead
- Leatherhead
- Aldershot
- Ewell
- Farnham
- Epsom
- Camberley
- Egham
- Sunbury-on-Thames
- Ashford (Surrey)
- Walton-on-Thames
- Godalming
- Reigate
- Horley
- Caterham
Questions about loft conversions for extra rooms in Surrey
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 much head height do I need?
As a rule of thumb, about 2.2 metres at the highest point of the existing roof space before any work. Less can work with a dormer or lowered ceilings.
Do you carry out loft conversions for extra rooms across Surrey?
Yes, across the whole of Surrey, including Woking, Guildford, Esher.
Who licenses HMOs in Surrey?
HMOs in Surrey are licensed by the local council for the address. Where an area has several councils, each runs its own licensing and planning policies.
Other HMO services in Surrey
- Extensions for extra rooms in Surrey
- Large HMO conversions (7+ sharers) in Surrey
- Escape routes, emergency lighting and fire stopping in Surrey
- Ensuite installation in Surrey
- Layout changes and room reconfiguration in Surrey
- Fire alarm and detection systems in Surrey
- Sound insulation in Surrey
- Shared bathroom and shower room refits in Surrey