The Ontario Building Code | Area of Dining Rooms or Spaces
9.5.5.1. Area of Dining Rooms or Spaces
(1) A dining space in combination with other space shall have an area of not less than 3.25 m².
(2) Dining rooms not combined with other space shall have a minimum area of 7 m².
9.5.6. Kitchens within Dwelling Units
In Plain Language
Dining rooms or spaces have minimum area requirements set out in this article, similar in purpose to the living room requirements but tailored to this room type.
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.