Construction Act: annual holdback release, proper-invoice deeming, broader adjudication
In force since Jan 1, 2026
What it means for you: Consultants under construction contracts can use the expanded adjudication for fee and scope disputes.
New Construction Laws
New and upcoming construction laws, building codes and regulations across Canada, and what each change means for owners, buyers, contractors, trades, workers, suppliers and designers. Every entry links to the official source.
32 changes
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Showing changes that affect architects, engineers and designers, with what each one means for you.
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5 changes for designers
In force
These already apply.
CCMC-evaluated innovative products no longer need an Ontario Minister's Ruling
In force since Jul 1, 2025
What it means for you: A CCMC evaluation report is enough to specify an innovative product in Ontario.
Affects Contractor Supplier Designer
Details →Bill 17: development charge deferral, limits on municipal construction by-laws
In force since Jun 5, 2025
What it means for you: Fewer municipal construction standards to reconcile against the Building Code.
Affects Owner Contractor Designer
Details →Encapsulated mass timber buildings allowed up to 18 storeys
In force since Jan 1, 2025
What it means for you: Architects and engineers can design EMTC to 18 storeys with relaxed encapsulation.
2024 Ontario Building Code in effect (harmonized with NBC 2020)
In force since Jan 1, 2025
What it means for you: BCIN designers must design to the 2024 code and requalify with 2024 exams.
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Plain-language summaries by ArtBuild, checked against the official source on the date shown on each page. This is general information, not legal advice, and you are responsible for how you use it. Laws change: always read the official text, and we recommend asking a lawyer or the regulator about your situation.