Second Storey Addition

A Toronto detached home with a second floor addition under construction, showing wood framing and scaffolding on the upper storey

Essential 2nd Floor Addition Permit Toronto Guide (2026): Costs & Steps

Home Renovation, Housing Guides / hashir.ali.7125@gmail.com

A 2nd floor addition permit in Toronto is a necessary approval from the City for adding a new storey to your home in 2026. You must provide engineered plans, pay fees, and pass City review and inspections.

Custom two-storey home addition completed in Ontario, Canada — 2026

Home Renovation

How Much Does a Home Addition Cost in Ontario? (2026 Pricing Guide)

Home Renovation / hashir.ali.7125@gmail.com

The average house addition cost in Ontario in 2026 ranges from $350 to $500 per square foot, with Toronto projects often exceeding $650. Prices depend on factors like type, size, finishes, and location.

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