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Follow these steps to plan your interior renovation project, apply for a permit and book inspections.
This page is for detached, semi-detached or townhouse homes.
Tip: print this page and use it as a checklist.
On this page:
Before you start, review these steps and gather key details about your project:
You typically need a building permit for interior renovations when you:
If you are building an addition or adding an additional residential unit, visit those pages for separate requirements.
All drawings must be to scale and dated.
Floor plans – show both existing and proposed construction, including:
Structural plans – include details of any structural changes.
Elevations – required if you are altering exterior windows or doors. Show existing and proposed elevations.
Truss layout – sealed by a professional engineer (if proposed).
Engineered joist layout – sealed by a professional engineer or designer (if proposed).
HVAC and mechanical design (Part 6) – required when the dwelling has six or more bedrooms.
Complete the forms that apply to your project.
Contact us if you’re not sure which forms you need.
Forms you need if you’re applying online
Upload these forms with your building permit application (unless they don't apply to your project):
Forms you need if you’re applying in person
Bring these completed forms to the service counter on the 2nd floor of City Hall:
Permit fees depend on your project. HST does not apply.
Pay when you apply:
We’ll start reviewing your application once payment is received.
Submit your application through the building permit portal.
Upload your drawings and forms when you apply.
The typical time to review an application is 10 business days.
We may ask for more information before approval.
Once approved, your permit package will be available on the portal.
We’ll email you instructions on how to access it.
Print the full package and keep it visible at the work site.
Under the Ontario Building Code Act, you must book inspections before the work is covered.
Find the required inspections listed on your building permit under "Mandatory Inspections".
Book inspections through the building portal (find it on the left menu):
