To confirm the exact features of any , please check the Ontario e-Laws website or contact the MMAH directly, as my knowledge does not extend to regulations published after October 2023.
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If you are a homeowner reading this because you want to pull a permit for a garage or a basement apartment, the changes your game plan.
Following updates in the national framework, the 2024 OBC tightens fire safety measures, particularly for large-scale wood structures and high-occupancy buildings.
The new code structure is unique: the regulation itself is a concise one-page document that adopts the by reference, supplemented by a specific Ontario Amendment Document for provincial-only variations (such as accessibility and sewage systems). 3. Key Technical Changes by Category Housing and Secondary Suites (Part 9) The 2024 Ontario Building Code | ontario.ca
For projects well advanced in the design phase, the old 2012 Building Code could still be used if the permit application was submitted before January 1, 2025 . Furthermore, certain permits submitted before April 1, 2025 , were permitted under the old code if they met specific criteria regarding architectural design continuity.
A completely new Part 2 has been created specifically for farm buildings.
The 2024 OBC is no longer a standalone document. Instead, it is designed to be read in tandem with the National Building Code.
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