Published: August 2024 (updated December 2024)
Organizations: Prepared by RSM Building Consultants for the Ontario Building Officials Association (OBOA)
Format: Reference Guide
Estimated Reading Time: 3–4 hours depending on speed and depth of review
(Full resource is over 3,000 pages — we recommend using it like a reference manual or dictionary—jump to the sections relevant to your work when you need them)
Why We Recommend It?
With over 1,700 updates in Ontario’s 2024 Building Code, understanding what’s changed is no small task. This report offers a detailed clause-by-clause comparison of the 2012 and 2024 editions, giving professionals a fast-track guide to what’s new and how to prepare. Particularly valuable for code practitioners, builders, inspectors, and designers, the side-by-side format cuts through complexity—making it easier to interpret, communicate, and apply the latest regulations with confidence. Readers are encouraged to explore the sections most relevant to their projects.
If you’re just starting to explore what’s new or are looking for curated links and overview materials, the HCRA Resource Hub offers a great introductory overview with links to additional resources.
Next Steps & Related Reading...
- Curious how the industry can benefit from updated codes? Explore our Business Case and Case Study sections to learn how meeting higher-tier codes can yield benefits beyond just energy cost savings.
- Concerned about the cost of adopting higher-tier codes? Visit our Funding & Financing Resources section to discover support for your low-carbon projects.
- Would code-specific workshops be helpful to you? We’re considering future deep-dive training sessions—let us know if this interests you by contacting us.