The current easy access best buy cash ISA - the Flexible ISA from sister banks Alliance & Leicester and Santander - is closing its doors early for the 2009-10 tax year.
Not one standard easy access savings account currently beats the rate of inflation. This means all savers with cash in one are losing money in real terms as their purchasing power is diminished.
Complaints about financial firms to the independent Ombudsman Service were up by 18% during the second half of last year, after many banks and other providers wrongly rejected consumer gripes.
Borrowers with a mortgage where the interest is calculated once a year could save hundreds of pounds by overpaying in the next two weeks, brokers insist.