If you are drawing plans for anything other than your own single-family home, you need a designer with a BCIN. If you are hiring a designer, ask for their BCIN number to ensure they are qualified.
The most significant recent shift is the introduction of the , which officially took effect on January 1, 2025 . This update aims to harmonize provincial regulations with the National Building Code of Canada, eliminating over 1,730 technical variations to streamline construction processes. Key Changes in the 2024 Edition: National vs Ontario Building Code for Steel Structures building codes ontario
The Code has become much stricter regarding energy efficiency (Part 12 of the OBC). New builds and major renovations must meet specific insulation values (R-values), window efficiency standards, and air-tightness requirements. If you are drawing plans for anything other
If you are finishing a basement to add a bedroom, the OBC requires an . This is a window large enough for a person to escape through and for a firefighter to enter in case of an emergency. This is one of the most common "failures" in DIY basement renovations. This update aims to harmonize provincial regulations with