BC Step Code requirements
Last updated on June 9, 2025The BC Energy and Zero Carbon Step Code requirements are based on the building permit date of your project and where it is located. Find information about requirements from April 2017 to present.
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Step Code requirements are based on the building permit date of your project.
Step Code requirements depend on location
The Province establishes minimum energy efficiency requirements. Local governments have the authority to require higher steps of the Energy and Zero Carbon Step Codes through bylaw if they choose.
Current code requirements
Summary of changes effective May 1, 2023 to present
BC Building Code was amended to:
- Add Zero Carbon Step Code technical requirements
- Include more airtightness testing options optimized for smaller homes in cold climates
- Modify TEUI targets for office and retail occupancies
For information only about the changes you can read the convenience copy of May 1, 2023 code changes (PDF, 2.5MB)
For more information or to review the adopting ministerial orders, please visit the BC Codes revisions webpage.
Technical bulletins
- A plain-language description of the BC Building Code changes Technical Bulletin B23-01(PDF, 980KB)
- Technical information about available compliance paths for different Part 9 buildings Technical Bulletin B23-02 (PDF, 244KB)
- Technical information about the Zero Carbon Step Code Technical Bulletin B23-03 (PFD, 852KB)
City of Vancouver energy modelling guidelines
The City of Vancouver modelling guidelines are referenced in the Energy Step Code.
- Version1 (PDF, 513KB) – for use until December 9, 2018 with BC Building Code 2012
- Version 2 (PDF, 311KB) – for use effective December 10, 2018 with BC Building Code 2018