Landlords who rent out bedsits have new government rules to follow - or risk facing fines of up to £20,000.
The Department of Environment, Food and Agriculture defines "Houses in Multiple Occupation" as buildings with six or more unrelated people sharing amenities such as kitchens or bathrooms.
The tighter rules mean landlords have to register the properties and meet minimum accommodation standards.
MHK Martyn Perkins has responsibility for environment, safety and health - he says although the penalties can be severe, most landlords needn't worry:
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