As part of a new offer, the building society, whch is the UK's biggest, says customers can switch a non-Nationwide bank account with at least two active Direct Debits to it for the cash.

Bank switching is big business right now, with both banks and building societies offering cash bribes to try to lure customers from rivals

NatWest says apply online or via its mobile app to open a new Reward account and switch your current account held elsewhere using the Current Account Switch Service.