What is a mortgage holdback and why does my Ontario lender want one?

A mortgage holdback is a portion of your approved mortgage that the lender does not advance at closing. Instead, the lender retains the funds until specific conditions are met — typically that certain work on the property is completed and inspected.

Holdbacks are common in two scenarios: new construction mortgages, where funds are advanced in draws as construction milestones are achieved; and purchases or refinances of properties requiring renovations, where the lender wants to confirm the work is done before releasing the final portion of the loan. Without a holdback, the lender would be advancing funds against a property value that assumes completed renovations — and if those renovations are never done, the security isn't worth what the lender paid for.

For borrowers, the holdback means you do not have access to all your mortgage funds immediately. You need to fund the gap between what is advanced and what the holdback retains, either from savings or a construction line of credit. Once the required work is certified — often by an appraiser or inspector the lender selects — the holdback is released. Your lawyer tracks the holdback amount and conditions in the mortgage commitment and advises when it has been properly released at the land registry.