How the mortgage on your home works, what changes when a deal ends and what the numbers actually mean.
Overpaying a mortgage is one of the few financial decisions where the arithmetic is genuinely simple and almost nobody does the arithmetic. This is how overpayments work, what your lender does with the money and the handful of questions worth answering before you send any.
When a fixed rate ends, nothing arrives to stop you drifting onto your lender's standard variable rate, which is usually the most expensive place your mortgage can sit. This is what actually happens on the day, the three options you have and how early you can act.
