Barclaycard customers who only make minimum payments could face significantly longer debts and higher interest costs following a change in the minimum repayment requirements. From July 22, Barclaycard will reduce minimum monthly payment requirements for some customers. According to MoneySavingExpert.com, someone with £1,000 of Barclaycard debt could now take almost 20 years to clear their debt and pay over £1,600 in interest, compared to 9 years and 8 months and £699 in interest under the previous system.