Perpetual Trustee Co Ltd v Morley

Perpetual Trustee Co Ltd (the plaintiff) sought to recover possession of land from Morley (the defendant) under a mortgage. The plaintiff claimed that the defendant had breached the terms of the mortgage by failing to pay the principal sum and interest due. The defendant, however, argued that the plaintiff had waived its right to immediate repayment of the principal and had agreed to accept payments on an instalment basis. The matter came before the High Court of Australia.

The central legal issue before the High Court was whether the plaintiff, by its conduct, had waived its right to demand immediate repayment of the principal sum secured by the mortgage, or whether the defendant's payments constituted a valid discharge of the mortgage obligations. This involved an examination of the terms of the mortgage deed and the subsequent conduct of the parties, particularly the plaintiff's acceptance of payments after the due date for the principal.

The High Court considered the principles of waiver and estoppel in the context of contractual obligations. It was held that for a waiver to be established, there must be a clear and unequivocal intention by the plaintiff to abandon its right to immediate repayment. The Court found that while the plaintiff had accepted late payments of interest, this did not, in itself, demonstrate an intention to waive its right to the principal sum. The mortgage deed clearly stipulated the repayment date, and the defendant's failure to meet this obligation constituted a breach. The Court distinguished between accepting late interest payments and waiving the right to the principal.

The High Court found in favour of the plaintiff, Perpetual Trustee Co Ltd, and ordered that possession of the land be given to the plaintiff.