An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. In Heston, a town of about 37,000 people in Greater London, the work is planned around the HMO rules for England and the council’s written HMO standards.
- Area
- Greater London, England
- Postcodes
- TW3, TW5 and UB2
- Location
- 11 miles west of London
- Pricing region
- London
What do extensions for extra rooms in Heston involve?
- Party wall coordination where needed
- Heating, insulation and glazing
- Building control completion
- Fire separation and detection extended to the new space
- Planning route check and drawings
Which rules apply in Heston?
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 Heston 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.
- 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 Heston?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £44,800 – £76,800 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £2,300 – £5,100 | m² |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Heston 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 Heston landlords need it?
Landlords in Heston most often ask us for this when:
- Adding a ground-floor room
- Moving to more sharers with consent
Questions about extensions for extra rooms in Heston
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 Heston do you work in?
All of them, including TW3, TW5 and UB2, and the surrounding parts of Greater London.
Does a shared house in Heston 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 Heston?
Our guide ranges for London 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 Heston
- Hounslow · 1 mi
- Isleworth · 2 mi
- Southall · 2 mi
- Hayes · 3 mi
- Feltham · 3 mi
- Greenford · 3 mi
- All of Greater London
Other HMO services in Heston
- Loft conversions for extra rooms in Heston
- Communal kitchen refits in Heston
- Layout changes and room reconfiguration in Heston
- Large HMO conversions (7+ sharers) in Heston
- Ensuite installation in Heston
- House to HMO conversion in Heston
- Damp, mould and HHSRS repairs in Heston
- Void and between-tenancy refurbs in Heston