Discover why homeowners in Mississauga trust 416 Construction for high-quality home additions. Explore our Port Credit case study, learn about our full-service design-build process, and find answers to common questions about costs, permits, timelines, and increasing your home’s value through a professionally designed addition.

Home addition costs vary widely depending on the type of addition, size, materials, and complexity. Here’s a detailed look at common types of additions and their typical price ranges in Toronto for 2026:

Choosing between a custom home builder and a production builder is one of the most important decisions when building a new home. While production builders offer standardized designs and faster timelines, custom home builders provide complete design flexibility, personalized layouts, premium finishes, and greater long-term value. Learn which option is right for your lifestyle, budget, and goals.