HMO properties are defined in the Housing Act 2004, an HMO (House in Multiple Occupation). The Housing Act 2004 makes certain HMOs subject to licensing. Licenses are granted for a period of five years. Property must be licensed as a HMO if it is a property with certain characteristics. Do you need expert legal advice on a HMO property? You can speak to one our Property Solicitors online and get expert legal advice right now.