An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. For a house in Slough 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
- Berkshire, England
- Postcodes
- SL1
- Location
- 17 miles east of Reading
- Pricing region
- South East
What do extensions for extra rooms in Slough involve?
- Heating, insulation and glazing
- Fire separation and detection extended to the new space
- Kitchen or bedroom fit-out
- Ensuite drainage and extraction
- Foundations, structure and roof
Which rules apply in Slough?
Here is what usually applies to a Slough job of this kind. It is general information rather than legal advice, and the council’s written HMO standards have the final detail.
- 3–6 unrelated sharers is use class C4; changing from a family house is usually permitted development unless an Article 4 direction applies.
- A conversion can be a material change of use under the building regulations, so confirm with building control before work starts.
- 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 Slough?
| 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 |
These are typical ranges including VAT, adjusted for South East, where costs run above the UK average. The fixed price for a house in Slough follows a site visit.
How long does it take?
Typical time on site: 8–14 weeks. We agree the programme with you before starting and send photo updates as the work progresses.
When do Slough landlords need it?
Typical reasons for this work in Slough:
- Adding a ground-floor room
- A kitchen too small for the number of sharers
Questions about extensions for extra rooms in Slough
Is a kitchen extension worth it?
Often, when the existing kitchen limits how many people the council will allow. A bigger kitchen can unlock an extra room.
Do you cover all of Slough?
Yes. We work across Slough and the SL1 postcode areas, plus the rest of Berkshire. Nearby places we also cover include Windsor, Maidenhead, Gerrards Cross.
Where do I check the HMO rules for an address in Slough?
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 Slough?
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 Slough
- Windsor · 2 mi
- Maidenhead · 5 mi
- Gerrards Cross · 6 mi
- Uxbridge · 6 mi
- Egham · 6 mi
- Staines · 7 mi
- All of Berkshire
Other HMO services in Slough
- Loft conversions for extra rooms in Slough
- Communal kitchen refits in Slough
- Layout changes and room reconfiguration in Slough
- Large HMO conversions (7+ sharers) in Slough
- Ensuite installation in Slough
- House to HMO conversion in Slough
- Bedroom upgrades and room refits in Slough
- Full HMO refurbishment in Slough