Building permits — London, Ontario

Do I need a building permit? What does it cost?

In the City of London, Ontario, building permit rules are set by Building By-law B-7, verified 2026-09-25. Permit required for: Construction, alteration, addition, demolition, change of use, or occupancy. Permit fees: Permit Fee = SI x A, where SI is Service Index and A is floor area in m2; minimum fees apply. Administered by: Chief Building Official and inspectors.

Building By-law B-7 adopted bylaw
permit required for Construction, alteration, addition, demolition, change of use, or occupancy s. 1.1
fee basis Permit Fee = SI x A, where SI is Service Index and A is floor area in m2; minimum fees apply. Schedule "A", s. 1
authority Chief Building Official and inspectors s. 1.1
fine range 100% of original permit fee (max. $10,013.21) Schedule "A", s. 4(y)
scout note

Governs permits for construction, demolition, change of use, occupancy and permit transfer under the Building Code Act 1992; classes of permit, Service-Index-based fees (CPI-indexed annually each March 1), mandatory inspection-notice timelines, grading certificates, site safety fencing. Office consolidation current to March 1, 2026.

By-laws (City of London)

City's by-laws index page listing the Building By-law B-7 among other by-laws; captures the listing.

Machine-readable: building-permits.json · Official website: https://london.ca/ · Last verified 2026-09-25 · Building permits across Ontario · Building permits in other municipalities