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
Showing changes that affect sellers of materials, products and equipment, with what each one means for you.
Changes for suppliers
17 changes · page 2 of 22024 Ontario Building Code in effect (harmonized with NBC 2020)
In force since Jan 1, 2025
What it means for you: Products and standards referenced by NBC 2020 now apply in Ontario.
Affects Owner Contractor Trade contractor Supplier Designer
Saskatchewan reverts to Tier 1 energy efficiency for housing and small buildings
Announced · date not set
What it means for you: Demand eases for high-performance windows, insulation and HRVs needed for higher tiers.
Affects Homebuyer Contractor Trade contractor Supplier Designer
BC Construction Prompt Payment Act passed (not yet in force)
Announced · date not set
What it means for you: Material suppliers in the payment chain gain faster, enforceable payment timelines.
Affects Owner Contractor Trade contractor Supplier
New Consumer Protection Act, 2023 (not yet proclaimed)
Announced · date not set
What it means for you: Door-to-door sellers of home equipment face direct-agreement cooling-off rules.
Affects Owner Contractor Supplier
2025 National Model Codes published (not yet law until adopted)
Announced · date not set
What it means for you: Demand will rise for radon stack components and products suited to accessibility and energy retrofits.
Affects Owner Homebuyer Contractor Trade contractor Supplier Designer
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.