By the Unity Stays directors, Marcus Chong & Gadir Al-Khatib · Last updated 12 August 2026
In short: Short lets usually fall outside HMO licensing because it turns on occupation as someone's only or main residence, and short-stay guests have a home elsewhere. Room-by-room letting, very long stays and council-designed additional or selective schemes can still catch a property, so check with the council for the specific address — unlicensed letting risks penalties and a rent repayment order.
Why short lets normally fall outside
HMO licensing turns on a property being occupied as someone's only or main residence by people from more than one household who share facilities.
A guest on a short stay is not occupying the property as their main residence — they have one elsewhere. On that basis a genuine short let generally sits outside the HMO regime, which is why holiday and serviced accommodation is not usually licensed as an HMO.
That is the general position. It is not a guarantee, because the assessment is about substance rather than about what you call the arrangement.
Where it can catch you anyway
Several situations pull a property back towards the HMO definition, and they are more common than owners expect.
- Very long stays, where an occupier starts to look like a resident rather than a guest
- Letting by the room to unrelated occupiers, which is closer to an HMO however it is marketed
- Contractor accommodation let room by room for months at a time — a genuine grey area worth advice on
- Additional or selective licensing schemes, which councils design themselves and which can use wider definitions than mandatory HMO licensing
- Mixed use, where a property alternates between short lets and tenancies across a year
Local schemes are the real variable
Mandatory HMO licensing is national. Additional and selective licensing are local, designated by individual councils over defined areas, with their own scope and their own definitions.
Some are drawn narrowly at genuine HMOs. Others reach further, and a handful of authorities have brought short-term letting into local schemes deliberately.
There is no way to answer this from a national rule. The council that covers the specific address is the only source, and the answer can differ between two streets.
Why getting it wrong is expensive
Letting a licensable property without a licence carries financial penalties and can lead to prosecution. It also exposes the owner to a rent repayment order, under which an occupier or the council can reclaim payments made during the unlicensed period.
That is a materially worse outcome than most compliance failures in this sector, because it claws back income already earned and spent.
It is also entirely checkable in advance, for free, with a phone call or a form on the council's website.
The practical rule
Check with the council for the specific address before letting, and ask two separate questions: whether HMO licensing applies, and whether any additional or selective scheme covers the property.
Then keep the arrangement genuinely short-term. Whole-property lets to a single booking party, with guests who have a home elsewhere, are what keeps a property clearly outside the regime.
Where a property drifts towards long room-by-room letting, that is the point to take advice rather than to assume the original answer still holds.
A plain summary of a locally-administered area, not legal advice. Definitions and schemes vary by council and change. Confirm with the local authority for your specific address.