Ontario CodeNews

The Ministry of Municipal Affairs and Housing has amended Ontario's 2024 Building Code to support the development of four-storey townhouses and expand the use of cellular core polyvinyl chloride (PVC) drain-waste-vent (DWV) pipe. The following changes came into effect on July 22, 2026: Support Development of Four-Storey Townhouses The Ministry has made changes under Part 3 of the Ontario Building Code to remove design constraints for four-storey non-stacked townhouses, allowi

The newly established Building Code Advisory Body (BCAB), supported by the Ministry of Municipal Affairs and Housing, is launching a 30-day consultation and has released the attached consultation paper to support this work. The BCAB is gathering input on opportunities to reduce regulatory burdens and improve Ontario's Building Code while maintaining health, safety, accessibility and performance outcomes. Stakeholders and members of the public are encouraged to review the cons

The Ministry of Municipal Affairs and Housing is initiating consultations on a proposed change to the Building Code to expand the permitted use of cellular core polyvinyl chloride Drain-Waste-Vent pipe (PVC pipe) to all residential combustible buildings. Currently, Division B, Article 7.2.5.16. of the Building Code permits the use of cellular core PVC pipe only in residential buildings containing one or two dwelling units or row houses up to three storeys. The proposed change