Santander, NatWest, Lloyds and Barclays customers issued warning over savings accountsSantander, NatWest, Lloyds, Barclays customers are being warned to withdraw all cash. View 3 Images Brits are often issued warnings about their banks and the different features and changes (Image: BraunS)A warning has been sounded for customers of Santander, NatWest, Lloyds and Barclays regarding their savings accounts. The top savings accounts of the week have been announced, and none of these banks feature on the list. ‌Instead, the best easy-access accounts are currently provided by cahoot, offering five per cent, and Snoop, offering 4.4 per cent. The top regular savings accounts are with Principality, Zopa, The Co-op and Nationwide, all offering between 7.5 per cent to six per cent.