Santander is offering eligible customers £200 for free - but you'll need to act quickly if you want to get your hands on the cash. On its website, the banking giant states: "Some decisions in life you're stuck with. Fortunately, your current account's not one of them. Switch to an eligible Santander current account today and reap the rewards." To claim the money, you'll need to open an eligible current account and request a switch using the Current Account Switch Service (CASS) - before March