Zero carbon step code

Effective January 1, 2026.

Council has adopted amendments to Building Bylaw No. 3114 introducing the zero carbon step code.

Applies to all buildings regulated under:

  • Part 3 of the BC Building Code
  • Part 9 of the BC Building Code

What changes

Requirements may affect:

  • Mechanical systems
  • Energy modelling
  • Building envelope design
  • Documentation

When it applies

Applies to complete building permit applications submitted on or after January 1, 2026.

Before you apply

Review requirements early in design. Mechanical and energy decisions may be affected.

For background, see the October 1, 2025, council meeting agenda and staff report, which includes staff reports and an industry survey with a summary of results.

Questions? Contact building services before submitting.

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