Nova Scotia adopts 2020 national codes with phased tiers
Nova Scotia · Amendments to regulations under the Nova Scotia Building Code Act adopting NBC 2020, NPC 2020 and NECB 2020
In force
Building codes
What changes
All law updatesNova Scotia adopted the 2020 national building, plumbing and energy codes starting April 1, 2025, at Tier 1 for both the building and energy codes. The building code's Tier 2 was scheduled for April 1, 2026. Later steps are Tier 3 building on April 1, 2027, Tier 2 energy on April 1, 2027 and Tier 3 energy on April 1, 2029.
- Law or regulation
- Amendments to regulations under the Nova Scotia Building Code Act adopting NBC 2020, NPC 2020 and NECB 2020
- Jurisdiction
- Nova Scotia
- In force
- Apr 1, 2025
- Official source
- Government of Nova Scotia
Who it affects and how
Contractors
General contractors, builders and construction business owners
Track which tier applies on each permit date, as requirements step up yearly through 2029.
Trades
Subcontractors and trade contractors
Plumbing trades follow NPC 2020 from April 1, 2025.
Designers
Architects, engineers and designers
Design to NBC 2020 and plan for the scheduled tier increases.
Not directly affected: owners & developers, homebuyers & customers, workers, suppliers.
Plain-language summary by ArtBuild, checked against the official source on Oct 29, 2026. General information, not legal advice; you are responsible for how you use it. The official text governs: read it, and we recommend asking a lawyer or the regulator about your situation.