An owner has the right to enter the rental unit as long as proper notice has been given and there is a valid reason, however in your case if you are not the legal owner yet, this notice must be given by the bank. When the tenant still refuses entry the landlord can contact the Rental Housing Enforcement Unit at 416-585-7214 and report that the tenant is refusing access. They can usually intervene and speak to the tenant to try and resolve the issue.