An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Landlords in Gravesend (DA11 and DA12) usually come to us with a council letter, a fire risk assessment or a house they have just bought. We price from whichever you have.
- Area
- Kent, England
- Postcodes
- DA11 and DA12
- Location
- 22 miles east of London
- Pricing region
- South East
What do extensions for extra rooms in Gravesend involve?
- Planning route check and drawings
- Foundations, structure and roof
- Party wall coordination where needed
- Building control completion
- Fire separation and detection extended to the new space
Which rules apply in Gravesend?
Here is what usually applies to a Gravesend 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.
- The Fire Safety Order 2005 applies to the common parts of HMOs, enforced by the fire and rescue authority.
- Council standards often step up at 5 and 6 sharers, for example a separate WC at 5 and a second bathroom from 6.
How much do extensions for extra rooms cost in Gravesend?
| 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 |
These are typical ranges including VAT, adjusted for South East, where costs run above the UK average. The fixed price for a house in Gravesend follows a site visit.
How long does it take?
Typical time on site: 8–14 weeks. We agree the programme with you before starting and send photo updates as the work progresses.
When do Gravesend landlords need it?
Typical reasons for this work in Gravesend:
- Moving to more sharers with consent
- Adding a ground-floor room
Questions about extensions for extra rooms in Gravesend
Can I extend an HMO under permitted development?
Some extensions to houses are permitted development, but rules differ for HMOs and by nation and council. We check the address before design.
How far do you travel from Gravesend?
We cover the whole of Kent and work UK-wide. For Gravesend the nearest towns on our list are Grays (3 miles), Strood (6 miles), South Ockendon (6 miles).
Does a shared house in Gravesend 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 Gravesend?
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 Gravesend
- Grays · 3 mi
- Strood · 6 mi
- South Ockendon · 6 mi
- Stanford-le-Hope · 6 mi
- Dartford · 7 mi
- Rochester · 7 mi
- All of Kent
Other HMO services in Gravesend
- Loft conversions for extra rooms in Gravesend
- Communal kitchen refits in Gravesend
- Layout changes and room reconfiguration in Gravesend
- Large HMO conversions (7+ sharers) in Gravesend
- Ensuite installation in Gravesend
- House to HMO conversion in Gravesend
- Student HMO refurbishment in Gravesend
- Licence condition and schedule-of-works in Gravesend