Project template
Your preparation checklist
Use it as a working list. The final submission still needs to match your actual scope and the City’s current requirements.
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What to do next
- Compare existing and proposed opening dimensions
- Confirm property-line distance where relevant
- Identify structural framing changes
- Submit the drawing package online
Official sources behind this page
Vaughan requires a permit when installing a new door or window opening in an exterior wall.
Increasing the width of an existing window or door opening requires a permit.
Vaughan lists replacing existing windows and doors among projects that do not require a building permit.
Need the full project answer?
The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.
Open the windows / doors guide