An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Windsor is 16 miles east of Reading. We price extensions for extra rooms 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
- Berkshire, England
- Postcodes
- SL3 and SL4
- Location
- 16 miles east of Reading
- Pricing region
- South East
What do extensions for extra rooms in Windsor involve?
- Planning route check and drawings
- Foundations, structure and roof
- Building control completion
- Kitchen or bedroom fit-out
- Party wall coordination where needed
Which rules apply in Windsor?
Here is what usually applies to a Windsor job of this kind. It is general information rather than legal advice, and the council’s written HMO standards have the final detail.
- 7 or more sharers is a sui generis large HMO and normally needs planning permission.
- Building regulations cover structural changes, new partitions, ensuite drainage, fire-resisting construction and notifiable electrical work.
- Smoke alarms on every storey with living accommodation and CO alarms by fixed combustion appliances (other than gas cookers) are required by law.
- Council standards often step up at 5 and 6 sharers, for example a separate WC at 5 and a second bathroom from 6.
How much do extensions for extra rooms cost in Windsor?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £39,200 – £67,200 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £2,000 – £4,500 | m² |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Windsor can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Allow 8–14 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 Windsor landlords need it?
We usually get the call when:
- Moving to more sharers with consent
- A kitchen too small for the number of sharers
Questions about extensions for extra rooms in Windsor
Will the extension affect neighbours?
Possibly, if it is on or near a boundary. Party wall procedures may apply in England and Wales.
How far do you travel from Windsor?
We cover the whole of Berkshire and work UK-wide. For Windsor the nearest towns on our list are Slough (2 miles), Egham (4 miles), Staines (5 miles).
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 extensions for extra rooms 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.
Extensions for extra rooms 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
- Loft conversions for extra rooms in Windsor
- Communal kitchen refits in Windsor
- Layout changes and room reconfiguration in Windsor
- Large HMO conversions (7+ sharers) in Windsor
- Ensuite installation in Windsor
- House to HMO conversion in Windsor
- Licence condition and schedule-of-works in Windsor
- Damp, mould and HHSRS repairs in Windsor