A small HMO is a shared house for three to six unrelated people. Southall is 11 miles west of London. We price small HMO conversions (3–6 sharers) 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 do small HMO conversions (3–6 sharers) in Southall involve?
- Kitchen enlarged or refitted for the number of sharers
- Second bathroom, shower room or ensuites
- Room-by-room size check before any work starts
- Locks, door closers and thumb-turn locks on the exit route
- Interlinked smoke and heat detection
Which rules apply in Southall?
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 Southall before we price.
- Under the Renters’ Rights Act, civil penalties reach £40,000 for offences such as running an unlicensed HMO.
- 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.
- National rules ask for an adequate number of bathrooms, WCs and basins and suitably located kitchens; numeric ratios are set by each council.
- 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 do small HMO conversions (3–6 sharers) 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 |
| Shared bathroom refit | £5,500 – £9,000 | £7,050 – £11,500 | bathroom |
| Interlinked mains alarm system (Grade D type), small HMO (our estimate from installer guides) | £800 – £2,000 | £1,000 – £2,550 | house |
| FD30S fire door leaf into an existing frame, with seals, closer and hinges, fitted | £300 – £600 | £380 – £770 | door |
Prices in Southall are shown with our regional adjustment for London (above the UK average). Your quote is itemised and fixed in writing once the scope and specification are agreed.
How long does it take?
Typical time on site: 4–10 weeks. We agree the programme with you before starting and send photo updates as the work progresses.
When do Southall landlords need it?
Typical reasons for this work in Southall:
- An existing small HMO needs bringing up to date
- A three or four-bedroom house you want to let to sharers
Questions about small HMO conversions (3–6 sharers) in Southall
What is the smallest room I can let?
In a licensed HMO in England, a room for one person aged 10 or over must be at least 6.51 square metres, not counting floor under a ceiling lower than 1.5 metres. Councils can set larger sizes, and Wales, Scotland and Northern Ireland have their own standards. We measure every room before you commit to a layout.
Do you cover all of Southall?
Yes. We work across Southall and the UB1, UB2, UB6 and UB18 postcode areas, plus the rest of Greater London. Nearby places we also cover include Greenford, Heston, Hayes.
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 do small HMO conversions (3–6 sharers) 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.
Small HMO conversions (3–6 sharers) 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
- House to HMO conversion in Southall
- Ensuite installation in Southall
- Fire alarm and detection systems in Southall
- Communal kitchen refits in Southall
- Fire doors in Southall
- Licence condition and schedule-of-works in Southall
- Shared bathroom and shower room refits in Southall
- Large HMO conversions (7+ sharers) in Southall