Difference between "conditional mortgage" and "sale with condition to repurchase". A conditional mortgage and a sale with condition to repurchase are two different types of transactions involving property. The main difference is that in a conditional mortgage, the original owner of the property remains the debtor and has the right to redeem the property by paying off the debt to the lender, who is the conditional buyer. In a sale with condition to repurchase, the original owner sells the property outright to the buyer and has no debt or right to redeem, but only an option to repurchase the property within a specified period by paying the agreed price to the buyer. A conditional mortgage is a form of mortgage by which the owner of the property transfers it to the lender as a security for the loan, but with a condition that the transfer will become absolute or void depending on whether the loan is repaid or not. A conditional mortgage must be evidenced by one docume...