 In the March 2010 Budget the then Chancellor of the Exchequer Alistair Darling announced that in future years the limits would rise annually with inflation, rounded to the nearest £120, to ease the arithmetic for those using monthly payment schemes.From 2013–14 the inflation index used was changed from RPI to CPI.The Chancellor of the Exchequer George Osborne announced in the March 2014 Budget that the adult ISA limit would be increased to £15,000 from 1 July 2014, and the Junior ISA limit to £4,000.