Nationwide Building Society has issued a stark warning about “fees and charges” to its members ahead of the summer break. In a crucial update, those with plans for a global getaway were given the scoop via email about potential costs when using cards overseas.

They emailed their customers: “Heading off on holiday this summer? Find out about fees and charges for using your card abroad, what to do if your card stops working, and more. You might also want to consider an account with no…