An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. For a house in Herne Bay 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
- Kent, England
- Postcodes
- CT6
- Location
- 55 miles east of London
- Council
- Canterbury City Council
- Pricing region
- South East
What do extensions for extra rooms in Herne Bay involve?
- Party wall coordination where needed
- Fire separation and detection extended to the new space
- Foundations, structure and roof
- Building control completion
- Ensuite drainage and extraction
Which rules apply in Herne Bay?
Here is what usually applies to a Herne Bay 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.
- National rules ask for an adequate number of bathrooms, WCs and basins and suitably located kitchens; numeric ratios are set by each council.
Canterbury City Council: local HMO schemes
| Article 4 (HMO) | In force in part of the council area Article 4 Direction covering named wards or parts of them (incl. Barton, Blean Forest, Northgate, Westgate) since 25 Feb 2016. |
|---|---|
| Additional licensing | Not confirmed: check with the council |
| Selective licensing | Not confirmed: check with the council |
Schemes change. Check the council’s current pages for the exact address in Herne Bay before you buy or start work. Source: Canterbury City Council HMO licensing page, checked 2026-10-31.
How much do extensions for extra rooms cost in Herne Bay?
| 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 Herne Bay follows a site visit.
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 Herne Bay landlords need it?
Landlords in Herne Bay most often ask us for this when:
- A kitchen too small for the number of sharers
- Adding a ground-floor room
Questions about extensions for extra rooms in Herne Bay
Will the extension affect neighbours?
Possibly, if it is on or near a boundary. Party wall procedures may apply in England and Wales.
Which postcodes in Herne Bay do you work in?
All of them, including CT6, and the surrounding parts of Kent.
Which council covers HMOs in Herne Bay?
Herne Bay is covered by Canterbury City Council. We read the council’s written HMO standards before pricing, and you should check the licence position for the exact address.
How much do extensions for extra rooms cost in Herne Bay?
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 Herne Bay
- Whitstable · 5 mi
- Canterbury · 7 mi
- Faversham · 11 mi
- Margate · 11 mi
- Saint Peters · 12 mi
- Ramsgate · 13 mi
- All of Kent
Other HMO services in Herne Bay
- Loft conversions for extra rooms in Herne Bay
- Communal kitchen refits in Herne Bay
- Layout changes and room reconfiguration in Herne Bay
- Large HMO conversions (7+ sharers) in Herne Bay
- Ensuite installation in Herne Bay
- House to HMO conversion in Herne Bay
- Void and between-tenancy refurbs in Herne Bay
- Professional and co-living HMO refurbs in Herne Bay