A large HMO is a shared house for seven or more people. Willesden is 5 miles west of London. We price large HMO conversions (7+ 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
- NW10
- Location
- 5 miles west of London
- Council
- London Borough of Brent
- Pricing region
- London
What do large HMO conversions (7+ sharers) in Willesden involve?
- Sound insulation between rooms and floors
- Ensuites or extra bathrooms
- Planning and building control drawings, coordinated with your designer
- Fire alarm and detection system sized for the building
- Emergency lighting where the escape route needs it
Which rules apply in Willesden?
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 Willesden 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.
- 7 or more sharers is a sui generis large HMO and normally needs planning permission.
London Borough of Brent: local HMO schemes
| Article 4 (HMO) | In force across the council area Borough-wide Article 4 Direction (C3 to C4) since 1 Nov 2022. |
|---|---|
| Additional licensing | In force across the council area Borough-wide additional licensing in force 2 Feb 2026 to 1 Feb 2031. |
| Selective licensing | In force in part of the council area All wards except Wembley Park: Dollis Hill, Harlesden & Kensal Green, Willesden Green 1 Aug 2023-31 Jul 2028; 18 further wards 1 Apr 2024-31 Mar 2029. |
Schemes change. Check the council’s current pages for the exact address in Willesden before you buy or start work. Source: London Borough of Brent HMO licensing page, checked 2026-10-31.
How much do large HMO conversions (7+ sharers) cost in Willesden?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| 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 |
| Panel alarm system (Grade A type), larger HMO | £1,750 – £4,500 | £2,250 – £5,750 | house |
| Protected route upgrades: fire-resisting linings, fire stopping, lighting (three-storey house, our estimate) | £2,000 – £6,000 | £2,550 – £7,700 | house |
| 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 |
These are typical ranges including VAT, adjusted for London, where costs run above the UK average. The fixed price for a house in Willesden follows a site visit.
How long does it take?
Allow 10–20 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 Willesden landlords need it?
We usually get the call when:
- You have planning in place, or want to apply
- A large house, three or more storeys, or a building with lots of rooms
Questions about large HMO conversions (7+ sharers) in Willesden
Do you handle building control?
Yes. The building work in a large HMO conversion (partitions, fire separation, drainage, electrics) needs to meet the building regulations, and the conversion can also count as a material change of use. We confirm the route with building control, coordinate inspections and give you the completion paperwork.
Do you cover all of Willesden?
Yes. We work across Willesden and the NW10 postcode areas, plus the rest of Greater London. Nearby places we also cover include Cricklewood, Notting Hill, Shepherds Bush.
Which council covers HMOs in Willesden?
Willesden is covered by London Borough of Brent. We read the council’s written HMO standards before pricing, and you should check the licence position for the exact address.
How much do large HMO conversions (7+ sharers) cost in Willesden?
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.
Large HMO conversions (7+ sharers) near Willesden
- Cricklewood · 2 mi
- Notting Hill · 2 mi
- Shepherds Bush · 2 mi
- Kilburn · 2 mi
- Acton · 2 mi
- Chiswick · 3 mi
- All of Greater London
Other HMO services in Willesden
- House to HMO conversion in Willesden
- Escape routes, emergency lighting and fire stopping in Willesden
- Fire alarm and detection systems in Willesden
- Sound insulation in Willesden
- Loft conversions for extra rooms in Willesden
- Extensions for extra rooms in Willesden
- Damp, mould and HHSRS repairs in Willesden
- Licence condition and schedule-of-works in Willesden