A large HMO is a shared house for seven or more people. Landlords in Windsor (SL3 and SL4) usually come to us with a council letter, a fire risk assessment or a house they have just bought. We price from whichever you have.
- Area
- Berkshire, England
- Postcodes
- SL3 and SL4
- Location
- 16 miles east of Reading
- Pricing region
- South East
What do large HMO conversions (7+ sharers) in Windsor involve?
- Feasibility review and measured survey
- Protected stair and landing with fire doors and fire stopping
- Sound insulation between rooms and floors
- Fire alarm and detection system sized for the building
- Planning and building control drawings, coordinated with your designer
Which rules apply in Windsor?
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 Windsor before we price.
- Under the Renters’ Rights Act, civil penalties reach £40,000 for offences such as running an unlicensed HMO.
- 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 do large HMO conversions (7+ sharers) cost in Windsor?
| 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 | £3,900 – £7,300 | letting room |
| Panel alarm system (Grade A type), larger HMO | £1,750 – £4,500 | £1,950 – £5,050 | house |
| Protected route upgrades: fire-resisting linings, fire stopping, lighting (three-storey house, our estimate) | £2,000 – £6,000 | £2,250 – £6,700 | house |
| Ensuite shower room added to a bedroom | £4,000 – £10,000 | £4,500 – £11,200 | ensuite |
| Communal HMO kitchen with extra cooking and sink capacity (our estimate from domestic ranges) | £8,000 – £18,000 | £8,950 – £20,150 | kitchen |
These are typical ranges including VAT, adjusted for South East, where costs run above the UK average. The fixed price for a house in Windsor follows a site visit.
How long does it take?
Typical time on site: 10–20 weeks. We agree the programme with you before starting and send photo updates as the work progresses.
When do Windsor landlords need it?
Landlords in Windsor most often ask us for this 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 Windsor
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 Windsor?
Yes. We work across Windsor and the SL3 and SL4 postcode areas, plus the rest of Berkshire. Nearby places we also cover include Slough, Egham, Staines.
Where do I check the HMO rules for an address in Windsor?
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 Windsor?
Our guide ranges for South East 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 Windsor
- Slough · 2 mi
- Egham · 4 mi
- Staines · 5 mi
- Maidenhead · 6 mi
- Uxbridge · 7 mi
- Ashford (Surrey) · 7 mi
- All of Berkshire
Other HMO services in Windsor
- House to HMO conversion in Windsor
- Escape routes, emergency lighting and fire stopping in Windsor
- Fire alarm and detection systems in Windsor
- Sound insulation in Windsor
- Loft conversions for extra rooms in Windsor
- Extensions for extra rooms in Windsor
- Licence condition and schedule-of-works in Windsor
- Void and between-tenancy refurbs in Windsor