An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. In Sevenoaks, a town of about 30,000 people in Kent, the work is planned around the HMO rules for England and the council’s written HMO standards.
- Area
- Kent, England
- Postcodes
- TN13 and TN15
- Location
- 21 miles south-east of London
- Pricing region
- South East
What do extensions for extra rooms in Sevenoaks involve?
- Fire separation and detection extended to the new space
- Heating, insulation and glazing
- Building control completion
- Party wall coordination where needed
- Foundations, structure and roof
Which rules apply in Sevenoaks?
Here is what usually applies to a Sevenoaks job of this kind. It is general information rather than legal advice, and the council’s written HMO standards have the final detail.
- 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.
- National rules ask for an adequate number of bathrooms, WCs and basins and suitably located kitchens; numeric ratios are set by each council.
How much do extensions for extra rooms cost in Sevenoaks?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £39,200 – £67,200 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £2,000 – £4,500 | m² |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Sevenoaks can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Allow 8–14 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 Sevenoaks landlords need it?
Typical reasons for this work in Sevenoaks:
- A kitchen too small for the number of sharers
- Moving to more sharers with consent
Questions about extensions for extra rooms in Sevenoaks
Is a kitchen extension worth it?
Often, when the existing kitchen limits how many people the council will allow. A bigger kitchen can unlock an extra room.
Which postcodes in Sevenoaks do you work in?
All of them, including TN13 and TN15, and the surrounding parts of Kent.
Does a shared house in Sevenoaks 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 extensions for extra rooms cost in Sevenoaks?
Our guide ranges for South East 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.
Extensions for extra rooms near Sevenoaks
- Tonbridge · 6 mi
- Swanley · 9 mi
- Royal Tunbridge Wells · 10 mi
- Caterham · 12 mi
- Bexley · 12 mi
- Dartford · 12 mi
- All of Kent
Other HMO services in Sevenoaks
- Loft conversions for extra rooms in Sevenoaks
- Communal kitchen refits in Sevenoaks
- Layout changes and room reconfiguration in Sevenoaks
- Large HMO conversions (7+ sharers) in Sevenoaks
- Ensuite installation in Sevenoaks
- House to HMO conversion in Sevenoaks
- Shared bathroom and shower room refits in Sevenoaks
- Void and between-tenancy refurbs in Sevenoaks