The Ontario Building Code | Hallway Width
9.5.10.1. Hallway Width
(1) The unobstructed width of a hallway within a dwelling unitshall be not less than 860 mm, except that the hallway width is permitted to be 710 mm, where,
(a) there are only bedrooms and bathrooms at the end of the hallway furthest from the living area, and
(b) a second exitis provided,
(i) in the hallway near the end furthest from the living area, or
(ii) in each bedroom served by the hallway.
9.5.11. doorway ="http://thehandyforce.com/doors/" title ="Toronto Door installer">doorway Sizes
In Plain Language
Hallways must meet the minimum width requirement set out in this article, ensuring adequate space for movement and, where relevant, furniture or equipment passage.
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.