Until now you could overpay your mortgage by increasing your repayment to a fixed monthly amount. From 8th January 2024, because of changes we are making, you will no longer be able to request to overpay your mortgage in this way. We understand that some customers might want to be able to make additional repayments to their mortgage account to pay it off earlier and pay less interest. You can still do this by reducing your term which will increase your monthly repayments and reduce your overall interest. If you want this feature, you can complete an Overpayment Form (option c).