The Ontario Building Code | Areas of Living Rooms and Spaces
184.108.40.206. Areas of Living Rooms and Spaces
(1) Living areas within dwelling units, either as separate rooms or in combination with other spaces, shall have an area not less than 13.5 m².
(2) Where the area of a living space is combined with a kitchen and dining area, the living area alone in a dwelling unit that contains sleeping accommodation for not more than two persons shall be not less than 11 m².
9.5.5. Dining Rooms or Spaces within Dwelling Units