Code Library › Volume 1 › Section 9.5 — Design of Areas, Spaces and Doorways
PART 9 — HOUSING AND SMALL BUILDINGSUpdated for the 2024 Ontario Building Code

9.5.4.1.Hallway Width

(1) The unobstructed width of a hallway within a dwelling unit shall 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 exit is provided (i) in the hallway near the end furthest from the living area, or (ii) in each bedroom served by the hallway.
← Previous9.5.3F.2. Doors to Rooms Containing Water ClosetsNext →9.5.5.1. Doorway Opening Sizes

Common questions about this part of the code

What is the minimum bedroom size in Ontario?What is the minimum ceiling height in Ontario?What are the minimum living room, dining room and kitchen sizes in Ontario?What is the minimum door width between rooms in an Ontario house?

Understand this provision in seconds

BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.

Try BUILDAiD Beta

Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.