Arun HMO licensing guide

Arun HMO licence — do you need one?

Arun has 1 licensing scheme 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 Arun announcements and tracked by our weekly scanner. Last checked 13 July 2026. Always verify directly with the council before applying.

Additional HMOEffective: 2025

Additional HMO Licensing Scheme 2025

Additional HMO licensing scheme covering River, Marine and Hotham Wards with online applications open

Read the original announcement →

National mandatory HMO rules (apply everywhere in England)

Regardless of any Arun-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).

HMO licensing in Arun — FAQ

Do I need an HMO licence in Arun?
Possibly. On top of the national mandatory HMO licence, Arun runs 1 additional or selective scheme 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 Arun?
Arun currently has one scheme on our register: Additional HMO Licensing Scheme 2025 (from 2025). 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 Arun?
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. Arun's own scheme(s) can set a lower threshold — see the schemes listed above.
What's the penalty for an unlicensed HMO in Arun?
Letting an unlicensed HMO in Arun 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 Arun?
HMO licence applications in Arun are handled by Arun District Council. Use the official scheme links above for the current rules and the application route.

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