Frequently Asked Questions

Home additions in Toronto typically range from $350 to $450 per square foot. For a standard 800-square-foot second-floor addition, this translates to $280,000 to $360,000. The final cost depends on interior finishes, structural complexity, and mechanical/electrical upgrades. In luxury neighbourhoods like Rosedale and Forest Hill, costs often trend toward the higher end. Your consultation includes a detailed, fixed-price quote.

Garden suites typically cost $400–$550 per square foot, while laneway suites range from $450–$600 per square foot. Cost drivers include foundation requirements, utility connections, interior finishing level, and architectural complexity. Premium suites in Forest Hill, Rosedale, and Lawrence Park typically include higher-end finishes at the upper end of these ranges. Using the City of Toronto's new free pre-approved "Made in Toronto" plans can reduce design and permit costs significantly while keeping construction costs within these ranges.

Rear and side expansions commonly range from $360 to $480 per square foot. For a standard 500-square-foot expansion in a premium neighbourhood, that typically equates to $180,000–$240,000. Key cost factors include foundation requirements, interior finishes, mechanical upgrades, window and door specifications, and site access constraints. Your consultation includes a fixed-price quote.