Code Library › Volume 1 › Section 1.3 — Divisions A, B and C of this Code

DIVISION A · PART 1 — COMPLIANCE AND GENERALUpdated for the 2024 Ontario Building Code

1.3.3.3C.Existing Buildings (See Note A-1.3.3.3C.)

(1) Except as provided in Section 3.18. of Division B, Section 9.41. of Division B and Part 11 of Division B, if an
    existing building is extended or is subject to material alteration or repair, this Code applies only to the design and
    construction of the extensions and those parts of the building that are subject to the material alteration or repair.

    (2) If an existing previously occupied building is moved from its original location to be installed elsewhere, or is
    dismantled at its original location and moved to be reconstituted elsewhere, this Code applies only to changes to the
    design and construction of the building required as a result of moving the building.

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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.