The following is from Section 5 of the Residential Tenancies Act, listing your exempt situation. Subsection (i) is the section relevant to your situation: 5. This Act does not apply with respect to, (i) living accommodation whose occupant or occupants are required to share a bathroom or kitchen facility with the owner, the owner’s spouse, child or parent or the spouse’s child or parent, and where the owner, spouse, child or parent lives in the building in which the living accommodation is located.