The Ontario Building Code | Areas of Living Rooms and Spaces
9.5.4.1. 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
In Plain Language
Living rooms and similar spaces have minimum area requirements set out in this article, ensuring adequate space for the room's intended use.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.