An HMO loft conversion adds one or two letting rooms, often with an ensuite, in the roof space. Brent is 8 miles west of London. We price loft conversions 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
- Greater London, England
- Postcodes
- HA0 and HA9
- Location
- 8 miles west of London
- Council
- London Borough of Brent
- Pricing region
- London
What do loft conversions for extra rooms in Brent involve?
- Planning or permitted development check
- Fire doors and extended alarm system
- Dormer or roof windows
- Feasibility and head-height check
- Ensuite where space allows
Which rules apply in Brent?
Here is what usually applies to a Brent 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.
- The Fire Safety Order 2005 applies to the common parts of HMOs, enforced by the fire and rescue authority.
- Floor area under a ceiling lower than 1.5 m does not count towards the room size, and many councils set larger sizes.
London Borough of Brent: local HMO schemes
| Article 4 (HMO) | In force across the council area Borough-wide Article 4 Direction (C3 to C4) since 1 Nov 2022. |
|---|---|
| Additional licensing | In force across the council area Borough-wide additional licensing in force 2 Feb 2026 to 1 Feb 2031. |
| Selective licensing | In force in part of the council area All wards except Wembley Park: Dollis Hill, Harlesden & Kensal Green, Willesden Green 1 Aug 2023-31 Jul 2028; 18 further wards 1 Apr 2024-31 Mar 2029. |
Schemes change. Check the council’s current pages for the exact address in Brent before you buy or start work. Source: London Borough of Brent HMO licensing page, checked 2026-10-31.
How much do loft conversions for extra rooms cost in Brent?
| Item | UK typical | Local guide | Per |
|---|---|---|---|
| Dormer loft conversion, about 30 m² | £40,000 – £60,000 | £51,200 – £76,800 | project |
| Rooflight loft conversion, about 30 m² | £22,500 – £30,000 | £28,800 – £38,400 | project |
Use these as a starting point for budgeting. Access, condition and the council’s requirements in Brent can move the figure either way, which is why we quote after seeing the house.
How long does it take?
Allow 6–10 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 Brent landlords need it?
We usually get the call when:
- Adding rooms to make an HMO work financially
- A house with usable roof space
Questions about loft conversions for extra rooms in Brent
Does a loft room need a fire escape window?
In an HMO the main protection is usually a protected stair and fire doors. The building regulations and fire strategy decide the detail.
Do you cover all of Brent?
Yes. We work across Brent and the HA0 and HA9 postcode areas, plus the rest of Greater London. Nearby places we also cover include Wembley, Harrow, Greenford.
Which council covers HMOs in Brent?
Brent is covered by London Borough of Brent. We read the council’s written HMO standards before pricing, and you should check the licence position for the exact address.
How much do loft conversions for extra rooms cost in Brent?
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.
Loft conversions for extra rooms near Brent
- Wembley · 0 mi
- Harrow · 2 mi
- Greenford · 3 mi
- Northolt · 3 mi
- Acton · 3 mi
- Willesden · 3 mi
- All of Greater London
Other HMO services in Brent
- Extensions for extra rooms in Brent
- Large HMO conversions (7+ sharers) in Brent
- Escape routes, emergency lighting and fire stopping in Brent
- Ensuite installation in Brent
- Layout changes and room reconfiguration in Brent
- Fire alarm and detection systems in Brent
- Student HMO refurbishment in Brent
- Commercial and above-shop to HMO in Brent