Hillingdon HMO licensing guide

Hillingdon HMO licence — do you need one?

Hillingdon has 2 licensing schemes on our register, on top of the national mandatory HMO rules. This page summarises the active and upcoming schemes, links to the council source, and explains what you need to do as a landlord.

Active and upcoming schemes

Sourced from Hillingdon announcements and tracked by our weekly scanner. Last checked 13 July 2026. Always verify directly with the council before applying.

Additional HMOEffective: 24 August 2026

Borough-Wide Additional HMO Licensing Scheme (from 24 August 2026)

Cabinet approved on 19 February 2026 a new borough-wide additional licensing scheme for HMOs with three or four residents from two or more households, following a public consultation that attracted over 1,000 responses with 80% in favour. Applications opened 20 May 2026; full compliance required by 24 August 2026, with licences costing £1,401 for five years.

Read the original announcement →
Consultation

Hillingdon Proposed Borough-Wide HMO Licensing Scheme

Hillingdon Council is consulting on a new borough-wide additional HMO licensing scheme with a proposed fee of £1,401 (discounts available for accredited landlords).

Read the original announcement →

National mandatory HMO rules (apply everywhere in England)

Regardless of any Hillingdon-specific scheme, you also need to comply with the national mandatory HMO licensing rules under the Housing Act 2004:

  • 5 or more occupants from 2 or more separate households sharing a kitchen, bathroom or toilet → mandatory HMO licence required.
  • A household = single person, couple, or family unit. Unrelated sharers each count as a separate household.
  • Unlicensed HMOs face civil penalties up to £30,000, Rent Repayment Orders (up to 12 months' rent).
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HMO licensing in Hillingdon — FAQ

Do I need an HMO licence in Hillingdon?
Possibly. On top of the national mandatory HMO licence, Hillingdon runs 2 additional or selective schemes that can require a licence for smaller HMOs or even single-household rentals. Check the scheme details above against your property's address.
Which property licensing schemes are active in Hillingdon?
Hillingdon currently has 2 schemes on our register: Borough-Wide Additional HMO Licensing Scheme (from 24 August 2026) (from 24 August 2026); Hillingdon Proposed Borough-Wide HMO Licensing Scheme. Each can require a licence beyond the national mandatory HMO rules — check the scheme details and council links above against your property's address.
How many tenants make a property an HMO in Hillingdon?
The national test is the same across England: 5 or more occupants from 2 or more separate households sharing a kitchen, bathroom or toilet need a mandatory licence. Hillingdon's own scheme(s) can set a lower threshold — see the schemes listed above.
What's the penalty for an unlicensed HMO in Hillingdon?
Letting an unlicensed HMO in Hillingdon can mean a civil penalty of up to £30,000 per offence, a Rent Repayment Order of up to 12 months' rent, and a criminal record.
Where do I apply for an HMO licence in Hillingdon?
HMO licence applications in Hillingdon are handled by London Borough of Hillingdon. Use the official scheme links above for the current rules and the application route.

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HMO licensing in other councils

Compare Hillingdon with other areas we track.

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Disclaimer: This page is an indicative guide based on publicly announced Hillingdon schemes and the Housing Act 2004 standard test. It is not legal advice. Council schemes change frequently — always confirm the current position with London Borough of Hillingdon before letting or applying for a licence.