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. For a house in Blackheath 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
- Greater London, England
- Postcodes
- SE3 and SE13
- Location
- 6 miles south-east of London
- Pricing region
- London
What does house to HMO conversion in Blackheath involve?
- Fire doors, fire-rated linings and an interlinked fire alarm
- Layout drawings showing bedrooms, kitchens, bathrooms and the escape route
- Measured survey and room-size check against the licensing standards
- A communal kitchen sized for the number of sharers
- New stud walls, door openings and room splits
Which rules apply in Blackheath?
House to HMO conversion in Blackheath 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.
- Floor area under a ceiling lower than 1.5 m does not count towards the room size, and many councils set larger sizes.
- 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.
How much does house to HMO conversion cost in Blackheath?
| 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 |
These are typical ranges including VAT, adjusted for London, where costs run above the UK average. The fixed price for a house in Blackheath follows a site visit.
How long does it take?
Allow 6–14 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 Blackheath landlords need it?
Typical reasons for this work in Blackheath:
- You have bought, or are buying, a house to let to sharers
- A council has said an existing shared house needs works before a licence
Questions about house to HMO conversion in Blackheath
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.
Which postcodes in Blackheath do you work in?
All of them, including SE3 and SE13, and the surrounding parts of Greater London.
Does a shared house in Blackheath 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 does house to HMO conversion cost in Blackheath?
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 Blackheath
- Greenwich · 1 mi
- Catford · 2 mi
- Eltham · 2 mi
- Canary Wharf · 3 mi
- Peckham · 3 mi
- Canning Town · 3 mi
- All of Greater London
Other HMO services in Blackheath
- Small HMO conversions (3–6 sharers) in Blackheath
- Large HMO conversions (7+ sharers) in Blackheath
- HMO fire safety upgrades in Blackheath
- Ensuite installation in Blackheath
- Communal kitchen refits in Blackheath
- Layout changes and room reconfiguration in Blackheath
- Rewires and EICR remedials in Blackheath
- Full HMO refurbishment in Blackheath