What is the London building department phone number?

The London building department can be reached at 519-930-3500.

How do I contact the London permit office?

You can contact the London building permit office by email at building@london.ca or phone at 519-930-3500. The office is typically open Monday to Friday, 8:30am to 4:30pm.

London Building Department

Contact information, hours, and online portal for the London building permit office. Book inspections, check permit status, and apply for permits in London, Ontario.

London, ON Building Permits Inspections Permit Applications

Contact Information

London Building Department — Contact Information

📞Phone519-930-3500

✉️Emailbuilding@london.ca

📍Address300 Dufferin Ave, London, ON N6B 1Z2

🕐HoursMonday–Friday 8:30am–4:30pm

🌐Online PortalApply for a Permit Online →

Department Services

Building Permits

Issue permits for new construction, additions, renovations, and demolitions.

Permit Applications

Review and process applications for residential and commercial projects.

Building Inspections

Schedule and conduct mandatory inspections at each stage of construction.

Permit Status

Check the status of in-progress permit applications.

Zoning & Bylaws

Advise on local zoning regulations, setbacks, and land-use bylaws.

Occupancy Certificates

Issue occupancy permits for newly constructed or renovated buildings.

For Homeowners

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For Contractors & Businesses

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More About London Permits

Looking for permit requirements, fees, or the application process? Visit the London permit guide →