The Ontario Building Code | Combined Living, Dining, Bedroom and Kitchen Spaces
9.5.8.1. Combined Living, Dining, Bedroom and Kitchen Spaces
(1) Despite Subsections 9.5.4. to 9.5.7., where living, dining, bedroom and kitchen spaces are combined in a dwelling unit that contains sleeping accommodation for not more than two persons, the area of the combined spaces shall be not less than 13.5 m2.
9.5.9. Bathrooms and water Closet Rooms
In Plain Language
Combined living, dining, bedroom, and kitchen spaces, an all-in-one room layout, have area requirements set out in this article reflecting this compact combination of functions.
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.