A free information service from spareroom.co.uk
HMO stands for House in Multiple Occupation and generally refers to one of the following:
The term can also refer to hostels and Bed and Breakfast accommodation which isn't just used for holidays but these two categories aren't relevant to most residential landlords.
Depending on your property, its tenants and where you live you may be required to obtan a license for your HMO. See HMO licensing for more information on the regulations where you live.