Several websites offer you a mortgage loan estimator. CMHC (Canada Mortgage and Housing Corporation) offers a borrowing capacity calculator. This is a starting point before considering the purchase of a home. You can access the tool via the following link: Affordability Calculator | CMHC.

You can also get pre-qualified with your banking institution or a mortgage broker such as Multi-Prêts. This way, it's easier to make your choice based on your budget.