A house to HMO conversion turns a single-family home into a house in multiple occupation: a shared home for unrelated people with private bedrooms and shared kitchen or bathroom space. Southall is 11 miles west of London. We price house to HMO conversion there against England’s HMO rules and the council’s written HMO standards, so work is planned to the standard an inspection looks for.
- Area
- Greater London, England
- Postcodes
- UB1, UB2, UB6 and UB18
- Location
- 11 miles west of London
- Council
- London Borough of Ealing
- Pricing region
- London
What does house to HMO conversion in Southall involve?
- Measured survey and room-size check against the licensing standards
- New stud walls, door openings and room splits
- Layout drawings showing bedrooms, kitchens, bathrooms and the escape route
- Decoration, flooring and a handover pack for licensing
- Rewiring or upgrades, with an electrical certificate
Which rules apply in Southall?
House to HMO conversion in Southall 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:
- Licences last up to 5 years and carry conditions on gas and electrical safety, alarms, room sizes and waste.
- Licensed HMOs must meet national minimum bedroom sizes: 6.51 m² for one person aged 10 or over, 10.22 m² for two, and 4.64 m² for a child under 10.
- Council standards often step up at 5 and 6 sharers, for example a separate WC at 5 and a second bathroom from 6.
- 3–6 unrelated sharers is use class C4; changing from a family house is usually permitted development unless an Article 4 direction applies.
London Borough of Ealing: local HMO schemes
| Article 4 (HMO) | In force across the council area Immediate direction for Perivale from 30 Oct 2024 and non-immediate direction for the rest of the borough from 2025. |
|---|---|
| Additional licensing | In force across the council area Borough-wide additional licensing 1 Apr 2022-31 Mar 2027; renewal consulted 15 Jul-24 Sep 2026. |
| Selective licensing | In force in part of the council area Two designations covering most wards: 1 Apr 2022-31 Mar 2027 (e.g. Southall, East/North Acton) and 3 Jan 2023-2 Jan 2028 (e.g. Greenford, Northolt, Perivale, Ealing Common). |
Schemes change. Check the council’s current pages for the exact address in Southall before you buy or start work. Source: London Borough of Ealing HMO licensing page, checked 2026-10-31.
How much does house to HMO conversion cost in Southall?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Typical 3–4 bed house to a 5–6 bed HMO, all-in | £30,000 – £75,000 | £38,400 – £96,000 | project |
| Conversion works per letting room (walls, linings, electrics, decoration; excludes kitchens, bathrooms and fire systems; our estimate) | £3,500 – £6,500 | £4,500 – £8,300 | letting room |
| Ensuite shower room added to a bedroom | £4,000 – £10,000 | £5,100 – £12,800 | ensuite |
| Communal HMO kitchen with extra cooking and sink capacity (our estimate from domestic ranges) | £8,000 – £18,000 | £10,250 – £23,050 | kitchen |
| Interlinked mains alarm system (Grade D type), small HMO (our estimate from installer guides) | £800 – £2,000 | £1,000 – £2,550 | house |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Southall can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Typical time on site: 6–14 weeks. We agree the programme with you before starting and send photo updates as the work progresses.
When do Southall landlords need it?
Landlords in Southall most often ask us for this when:
- You have bought, or are buying, a house to let to sharers
- A family let is moving to room-by-room letting
Questions about house to HMO conversion in Southall
Do I need planning permission to turn a house into an HMO?
It depends on the nation, the council and the number of sharers. In England, three to six unrelated sharers is use class C4, and moving from a family house is usually permitted development unless the council has an Article 4 direction; seven or more normally needs permission. In Wales a change to an HMO always needs permission, in Northern Ireland all new HMOs need it, and in Scotland council policy decides. We check the address before drawings start.
How far do you travel from Southall?
We cover the whole of Greater London and work UK-wide. For Southall the nearest towns on our list are Greenford (2 miles), Heston (2 miles), Hayes (2 miles).
Which council covers HMOs in Southall?
Southall is covered by London Borough of Ealing. We read the council’s written HMO standards before pricing, and you should check the licence position for the exact address.
How much does house to HMO conversion cost in Southall?
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.
House to HMO conversion near Southall
- Greenford · 2 mi
- Heston · 2 mi
- Hayes · 2 mi
- Isleworth · 3 mi
- Northolt · 3 mi
- Hounslow · 3 mi
- All of Greater London
Other HMO services in Southall
- Small HMO conversions (3–6 sharers) in Southall
- Large HMO conversions (7+ sharers) in Southall
- HMO fire safety upgrades in Southall
- Ensuite installation in Southall
- Communal kitchen refits in Southall
- Layout changes and room reconfiguration in Southall
- Rewires and EICR remedials in Southall
- Commercial and above-shop to HMO in Southall