A large HMO is a shared house for seven or more people. For a house in Wallington 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
- SM5 and SM6
- Location
- 10 miles south of London
- Pricing region
- London
What do large HMO conversions (7+ sharers) in Wallington involve?
- Feasibility review and measured survey
- Ensuites or extra bathrooms
- Fire alarm and detection system sized for the building
- Sound insulation between rooms and floors
- Planning and building control drawings, coordinated with your designer
Which rules apply in Wallington?
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 Wallington before we price.
- 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.
- 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.
How much do large HMO conversions (7+ sharers) cost in Wallington?
| 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 Wallington follows a site visit.
How long does it take?
Most jobs of this kind take 10–20 weeks. If a council deadline applies in Wallington, tell us at the first call so the programme is built around it.
When do Wallington landlords need it?
We usually get the call when:
- An existing large HMO needs works before a licence renewal
- You have planning in place, or want to apply
Questions about large HMO conversions (7+ sharers) in Wallington
Does a seven-bed HMO need planning permission?
In England, normally yes: seven or more unrelated sharers is a sui generis use outside class C4. Wales and Northern Ireland require permission for new HMOs anyway, and in Scotland more than five residents falls outside the houses class. Councils also apply concentration policies, so we check the address first.
How far do you travel from Wallington?
We cover the whole of Greater London and work UK-wide. For Wallington the nearest towns on our list are Carshalton (1 miles), Sutton (2 miles), South Croydon (3 miles).
Where do I check the HMO rules for an address in Wallington?
With the local council for the address. Councils in England can add additional licensing and Article 4 directions on top of the national rules. Check the council’s website for the exact address before you buy or start work.
How much do large HMO conversions (7+ sharers) cost in Wallington?
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 Wallington
- Carshalton · 1 mi
- Sutton · 2 mi
- South Croydon · 3 mi
- Purley · 3 mi
- Croydon · 3 mi
- Mitcham · 3 mi
- All of Greater London
Other HMO services in Wallington
- House to HMO conversion in Wallington
- Escape routes, emergency lighting and fire stopping in Wallington
- Fire alarm and detection systems in Wallington
- Sound insulation in Wallington
- Loft conversions for extra rooms in Wallington
- Extensions for extra rooms in Wallington
- Bedroom upgrades and room refits in Wallington
- Licence condition and schedule-of-works in Wallington