OBC DIVISION B · PART 10 — CHANGE OF USEUpdated for the 2024 Ontario Building Code
Try BUILDAiD Beta
Section 10.1 — General
Full text of Section 10.1 (General) — Division B, Part 10 (Change of Use) of the 2024 Ontario Building Code, with every article reproduced below.
10.1.1.Scope
10.1.1.1.Scope permalink →
(1) The scope of this Part shall be as described in Subsection 1.3.3. of Division A.
10.1.1.2.Change in Major Occupancy permalink →
(1) The following changes of use are also deemed to be a change in major occupancy for the purposes of this Part:
(a) a suite of a Group C major occupancy is converted into more than one suite of a Group C major occupancy,
(b) a suite or part of a suite of a Group A, Division 2 or Group A, Division 4 major occupancy is converted to a gaming
premises,
(c) a farm building or part of a farm building is changed to another major occupancy other than a Group G major
occupancy,
(d) a building or part of a building is changed to a post-disaster building,
(e) a building or part of a building is changed to a retirement home,
(f) the use of a building or part of a building is changed and the previous major occupancy of the building or part of the
building cannot be determined, or
(g) a farm building or part of a farm building is changed to a Group G, Division 1 major occupancy.
Understand any provision in seconds
BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.
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.