Home Addition Cost Ontario

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.

Completed second storey addition on an Ontario home featuring large windows, modern black metal balcony railing, and stone exterior finish

Home Renovation

Second Storey Addition Ontario: Essential Guide to Costs, Permits, and Success

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

A second storey addition Ontario project increases your home’s living space by adding a full upper floor. Typical costs range from $250 to $450 per square foot.

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