The Ontario Building Code | Performance Level
11.4.1.1. Performance Level
(1) The performance level of a buildingafter construction shall not be less than the performance level of the buildingprior to construction.
(2) For the purposes of Sentence (1), reduction of performance levelshall 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.
11.4.2. Reduction in Performance Level
In Plain Language
The performance level required after a renovation is addressed in this article, establishing the baseline safety standard renovated buildings must achieve.
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.