Barclays received the highest number of bank complaints during the first six months of the year, according to new data published by the Financial Services Authority.

Growing numbers of graduates are being overcharged for their student loans, it emerged today, prompting claims the system is in “disarray”. Figures show the Student Loans Company has been forced to pay back more than £107million since the late 90s after taking cash from graduates who have already cleared their debts.