An HMO extension adds space to a shared house, usually a ground-floor bedroom with ensuite or a bigger communal kitchen. Landlords in Kilburn (NW3 and NW6) 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
- Greater London, England
- Postcodes
- NW3 and NW6
- Location
- 4 miles north-west of London
- Pricing region
- London
What do extensions for extra rooms in Kilburn involve?
- Fire separation and detection extended to the new space
- Ensuite drainage and extraction
- Kitchen or bedroom fit-out
- Planning route check and drawings
- Foundations, structure and roof
Which rules apply in Kilburn?
Here is what usually applies to a Kilburn 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.
- 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.
- National rules ask for an adequate number of bathrooms, WCs and basins and suitably located kitchens; numeric ratios are set by each council.
How much do extensions for extra rooms cost in Kilburn?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Single-storey extension, about 15 m² | £35,000 – £60,000 | £44,800 – £76,800 | project |
| Single-storey extension per m² | £1,800 – £4,000 | £2,300 – £5,100 | m² |
These are typical ranges including VAT, adjusted for London, where costs run above the UK average. The fixed price for a house in Kilburn follows a site visit.
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 Kilburn landlords need it?
Landlords in Kilburn most often ask us for this when:
- A kitchen too small for the number of sharers
- Moving to more sharers with consent
Questions about extensions for extra rooms in Kilburn
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 Kilburn?
We cover the whole of Greater London and work UK-wide. For Kilburn the nearest towns on our list are Cricklewood (1 miles), Chalk Farm (2 miles), Camden Town (2 miles).
Where do I check the HMO rules for an address in Kilburn?
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 Kilburn?
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.
Extensions for extra rooms near Kilburn
- Cricklewood · 1 mi
- Chalk Farm · 2 mi
- Camden Town · 2 mi
- Willesden · 2 mi
- Archway · 3 mi
- Holloway · 3 mi
- All of Greater London