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 Runcorn 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
- Cheshire, England
- Postcodes
- WA7 and WA8
- Location
- 11 miles south-east of Liverpool
- Pricing region
- North West
What do extensions for extra rooms in Runcorn involve?
- Party wall coordination where needed
- Building control completion
- Planning route check and drawings
- Kitchen or bedroom fit-out
- Fire separation and detection extended to the new space
Which rules apply in Runcorn?
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 Runcorn before we price.
- 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.
- 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 Runcorn?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £33,600 – £57,600 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £1,750 – £3,850 | m² |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Runcorn 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 Runcorn landlords need it?
Typical reasons for this work in Runcorn:
- A kitchen too small for the number of sharers
- Moving to more sharers with consent
Questions about extensions for extra rooms in Runcorn
Do you handle building control?
Yes, from application to completion certificate.
Do you cover all of Runcorn?
Yes. We work across Runcorn and the WA7 and WA8 postcode areas, plus the rest of Cheshire. Nearby places we also cover include Widnes, Halewood, Speke.
Where do I check the HMO rules for an address in Runcorn?
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 Runcorn?
Our guide ranges for North 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 Runcorn
- Widnes · 1 mi
- Halewood · 4 mi
- Speke · 5 mi
- Great Sankey · 5 mi
- Huyton · 7 mi
- Prescot · 7 mi
- All of Cheshire
Other HMO services in Runcorn
- Loft conversions for extra rooms in Runcorn
- Communal kitchen refits in Runcorn
- Layout changes and room reconfiguration in Runcorn
- Large HMO conversions (7+ sharers) in Runcorn
- Ensuite installation in Runcorn
- House to HMO conversion in Runcorn
- Damp, mould and HHSRS repairs in Runcorn
- Commercial and above-shop to HMO in Runcorn