PART 11 — RENOVATIONUpdated for the 2024 Ontario Building Code
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11.4.1.1.Performance Level
(1) The performance level of a building after construction shall not be less than the performance level of the building
prior to construction.
(2) For the purposes of Sentence (1), reduction of performance level shall be determined in accordance with Subsection
11.4.2.
(3) Where the proposed construction would reduce the performance level of an existing building, compensating
construction shall be required in conformance with Subsection 11.4.3.
(4) For the purpose of this Subsection, where a permit to construct a farm building has been applied for before January
1, 2025, the performance level of the farm building is permitted to be evaluated based on the applicable requirements of
Ontario Regulation 332/12 (Building Code) made under the Act, as it read on December 31, 2024.
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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.