It says that consumers therefore miss out on around £1 billion every year on interest payments as a result.
Halifax also says that customers could get an extra £25 by signing up to get a Halifax One Credit Card.
"Why stick with a current account that is costing you £60 each year in lost interest? Switching has never been easier, now it's never been more worthwhile," Paul Marriot-Clarke, Halifax head of banking, said.
"The extra £25 bonus for switching a credit card means there's little reason to keep poor value products. Switching both now could make you over £250 better off next year."
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