Figures show savers are being hit with the worst interest rates in history . A third of ISA accounts are now paying less than one per cent per year . One in six accounts offer less than Bank of England 's less than 1 % base rate . Number of tax-free accounts returning 0.5 % has doubled .
Figures show savers are being hit with the worst interest rates in history . A third of ISA accounts are now paying less than one per cent per year . One in six accounts offer less than Bank of England 's 0.5 % base rate . Number of tax-free accounts returning less than 1 % has doubled .