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 architects, engineers and designers, with what each one means for you.
Changes for designers
18 changes · page 2 of 2BC Building Code 2024 seismic and adaptable-dwelling rules take effect
In force since Mar 10, 2025
What it means for you: Structural engineers apply the 2020 NBC-based seismic hazard values. Architects plan 20% adaptable units in large buildings.
Affects Owner Homebuyer Contractor Trade contractor Supplier Designer
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.
Affects Owner Contractor Trade contractor Supplier Designer
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.
Affects Owner Contractor Trade contractor Supplier Designer
Mandatory construction-stage inspections and certificate of conformity (law adopted, regulation pending)
Announced · date not set
What it means for you: Professionals may be engaged for site supervision and conformity attestations.
Affects Owner Homebuyer Contractor Trade contractor Designer
Saskatchewan reverts to Tier 1 energy efficiency for housing and small buildings
Announced · date not set
What it means for you: Energy modelling targets drop to Tier 1 for housing and small buildings.
Affects Homebuyer Contractor Trade contractor Supplier Designer
2025 National Model Codes published (not yet law until adopted)
Announced · date not set
What it means for you: Revised wind and snow loads, projected climate data and accessible or adaptable unit requirements change design inputs.
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.