An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Borehamwood is 12 miles north-west of London. 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
- Hertfordshire, England
- Postcodes
- WD6 and WD7
- Location
- 12 miles north-west of London
- Pricing region
- East of England
What do extensions for extra rooms in Borehamwood involve?
- Heating, insulation and glazing
- Fire separation and detection extended to the new space
- Kitchen or bedroom fit-out
- Foundations, structure and roof
- Party wall coordination where needed
Which rules apply in Borehamwood?
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 Borehamwood before we price.
- 7 or more sharers is a sui generis large HMO and normally needs planning permission.
- A conversion can be a material change of use under the building regulations, so confirm with building control before work starts.
- Fire precautions follow a risk assessment; the LACORS Housing – Fire Safety guide (2008) is guidance, not law, but many councils base their standards on it.
- 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 Borehamwood?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £37,100 – £63,600 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £1,900 – £4,250 | m² |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Borehamwood 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 Borehamwood landlords need it?
We usually get the call when:
- A kitchen too small for the number of sharers
- Moving to more sharers with consent
Questions about extensions for extra rooms in Borehamwood
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.
How far do you travel from Borehamwood?
We cover the whole of Hertfordshire and work UK-wide. For Borehamwood the nearest towns on our list are Barnet (3 miles), Bushey (4 miles), Hadley Wood (5 miles).
Does a shared house in Borehamwood 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 do extensions for extra rooms cost in Borehamwood?
Our guide ranges for East of England 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 Borehamwood
- Barnet · 3 mi
- Bushey · 4 mi
- Hadley Wood · 5 mi
- Potters Bar · 5 mi
- Watford · 5 mi
- Finchley · 5 mi
- All of Hertfordshire
Other HMO services in Borehamwood
- Loft conversions for extra rooms in Borehamwood
- Communal kitchen refits in Borehamwood
- Layout changes and room reconfiguration in Borehamwood
- Large HMO conversions (7+ sharers) in Borehamwood
- Ensuite installation in Borehamwood
- House to HMO conversion in Borehamwood
- Damp, mould and HHSRS repairs in Borehamwood
- Licence condition and schedule-of-works in Borehamwood