Building permits are required for most construction, renovation, and alteration projects to ensure they meet safety and building code standards. 

On this page, you can access information, resources, and support to guide you through the building permit application process for both residential and non-residential properties. 

Ready to apply? Start by scheduling a meeting with a Plan Examiner to ensure you have all the required documents and information:

Schedule a meeting

Already know what you need to do? Apply now:

apply for a building permit

For additional information and assistance, email building@london.ca or call 519-661-4555.

Staff interacting with resident at building desk.

Before you apply

What you need to prepare
Man at laptop applying for a permit

Applying for a permit

How to apply
Person looking at computer screen.

After you apply

What you can expect
Employees in construction zone.

Forms, documents and reports

Supporting documentation