An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Landlords in Portishead (BS20) 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
- Somerset, England
- Postcodes
- BS20
- Location
- 8 miles west of Bristol
- Pricing region
- South West
What do extensions for extra rooms in Portishead involve?
- Foundations, structure and roof
- Kitchen or bedroom fit-out
- Building control completion
- Heating, insulation and glazing
- Party wall coordination where needed
Which rules apply in Portishead?
The rules below are the England-wide position for this kind of work. Councils add their own standards and schemes on top, so we always check the address in Portishead before we price.
- 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.
- Fire precautions follow a risk assessment; the LACORS Housing – Fire Safety guide (2008) is guidance, not law, but many councils base their standards on it.
- 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 Portishead?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £36,400 – £62,400 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £1,850 – £4,150 | m² |
These are typical ranges including VAT, adjusted for South West, where costs run above the UK average. The fixed price for a house in Portishead 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 Portishead landlords need it?
We usually get the call when:
- A kitchen too small for the number of sharers
- Moving to more sharers with consent
Questions about extensions for extra rooms in Portishead
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.
How far do you travel from Portishead?
We cover the whole of Somerset and work UK-wide. For Portishead the nearest towns on our list are Nailsea (3 miles), Clevedon (5 miles), Bristol (8 miles).
Where do I check the HMO rules for an address in Portishead?
With the local council for the address. 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 extensions for extra rooms cost in Portishead?
Our guide ranges for South West 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 Portishead
- Nailsea · 3 mi
- Clevedon · 5 mi
- Bristol · 8 mi
- Kingswood · 11 mi
- Mangotsfield · 11 mi
- Newport (Newport) · 12 mi
- All of Somerset
Other HMO services in Portishead
- Loft conversions for extra rooms in Portishead
- Communal kitchen refits in Portishead
- Layout changes and room reconfiguration in Portishead
- Large HMO conversions (7+ sharers) in Portishead
- Ensuite installation in Portishead
- House to HMO conversion in Portishead
- Shared bathroom and shower room refits in Portishead
- Student HMO refurbishment in Portishead