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 subcontractors and trade contractors, with what each one means for you.
Coming up in the next 12 months
All upcoming-
Nova Scotia energy Tier 2 and building Tier 3 scheduled Nova Scotia · in 5 months
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WorkSafeBC: new periodic equipment certification rules British Columbia · in 10 months
Changes for trades
21 changes · page 1 of 2Nova Scotia energy Tier 2 and building Tier 3 scheduled
Comes into force Apr 1, 2027 · in 5 months
What it means for you: Insulation and HVAC trades will need to meet tighter energy targets.
Affects Owner Contractor Trade contractor Supplier Designer
WorkSafeBC: new periodic equipment certification rules
Comes into force Sep 1, 2027 · in 10 months
What it means for you: Crane, hoist and scaffold contractors should check the new certification requirements.
Affects Contractor Trade contractor Worker Supplier
Quebec extends building and electrical code transition periods by one year
In force since Sep 10, 2026
What it means for you: Electricians can use pre-March 26, 2026 rules on work begun before October 17, 2027.
Affects Owner Contractor Trade contractor Designer
Quebec Electrical chapter updated (CEC 2021 modified Quebec)
In force since Mar 26, 2026
What it means for you: Licensed electrical subcontractors need training on the CEC 2021 (modified Quebec) changes.
Affects Contractor Trade contractor Worker Supplier Designer
Construction Act: annual release timing and 7-day notice of termination
In force since Jan 1, 2026
What it means for you: Watch for published termination notices because your lien window runs from that date.
Affects Owner Contractor Trade contractor Supplier
Construction Act: annual holdback release, proper-invoice deeming, broader adjudication
In force since Jan 1, 2026
What it means for you: Annual holdback must be passed down promptly, which improves cash flow on long projects.
Affects Owner Contractor Trade contractor Supplier Designer
Federal recognition of provincial trade and occupational licences
In force since Jan 1, 2026
What it means for you: A provincial or territorial trade authorization must be recognized for comparable federally regulated work.
Affects Contractor Trade contractor Worker Supplier
Buy Canadian policy: Canadian steel, aluminum and wood on large federal construction
In force since Dec 16, 2025
What it means for you: Trades supplying structural steel, aluminum or wood packages must provide proof the materials were produced in Canada.
Affects Homebuyer Contractor Trade contractor Supplier Designer
Working for Workers Seven: defibrillator reimbursement, safety-system procurement, ESA changes
In force since Nov 27, 2025
What it means for you: Accredited safety management systems (e.g., COR) may be accepted as equivalents across owners' prequalification.
Affects Owner Contractor Trade contractor Worker Supplier
Quebec construction industry reform: versatility, mobility and access measures phased in
In force since Nov 12, 2025
What it means for you: Specialty contractors can staff from a wider pool when local pools are short.
Affects Contractor Trade contractor Worker
New Brunswick adopts 2020 national codes with Energy Tier 2 minimum
In force since May 1, 2025
What it means for you: Insulation, air-sealing and HVAC trades must hit Tier 2 targets.
Affects Owner Homebuyer Contractor Trade contractor Supplier Designer
Nova Scotia adopts 2020 national codes with phased tiers
In force since Apr 1, 2025
What it means for you: Plumbing trades follow NPC 2020 from April 1, 2025.
Affects Contractor Trade contractor 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.