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 Redruth 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
- Cornwall, England
- Postcodes
- TR15 and TR16
- Location
- 49 miles west of Plymouth
- Pricing region
- South West
What do extensions for extra rooms in Redruth involve?
- Planning route check and drawings
- Heating, insulation and glazing
- Fire separation and detection extended to the new space
- Kitchen or bedroom fit-out
- Building control completion
Which rules apply in Redruth?
Extensions for extra rooms in Redruth must satisfy national law for England, the council’s written HMO standards and, where walls, drainage or fire separation change, the building rules. In short:
- 3–6 unrelated sharers is use class C4; changing from a family house is usually permitted development unless an Article 4 direction applies.
- Building regulations cover structural changes, new partitions, ensuite drainage, fire-resisting construction and notifiable electrical work.
- The Fire Safety Order 2005 applies to the common parts of HMOs, enforced by the fire and rescue authority.
- 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 Redruth?
| 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 |
Prices in Redruth are shown with our regional adjustment for South West (above the UK average). Your quote is itemised and fixed in writing once the scope and specification are agreed.
How long does it take?
Most jobs of this kind take 8–14 weeks. If a council deadline applies in Redruth, tell us at the first call so the programme is built around it.
When do Redruth landlords need it?
We usually get the call when:
- Adding a ground-floor room
- A kitchen too small for the number of sharers
Questions about extensions for extra rooms in Redruth
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.
Which postcodes in Redruth do you work in?
All of them, including TR15 and TR16, and the surrounding parts of Cornwall.
Where do I check the HMO rules for an address in Redruth?
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 Redruth?
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 Redruth
- Camborne · 4 mi
- Truro · 8 mi
- Falmouth · 9 mi
- Newquay · 14 mi
- St Austell · 21 mi
- Plymouth · 49 mi
- All of Cornwall
Other HMO services in Redruth
- Loft conversions for extra rooms in Redruth
- Communal kitchen refits in Redruth
- Layout changes and room reconfiguration in Redruth
- Large HMO conversions (7+ sharers) in Redruth
- Ensuite installation in Redruth
- House to HMO conversion in Redruth
- Rewires and EICR remedials in Redruth
- Full HMO refurbishment in Redruth