From 6 April 2015 the starting rate of tax for savings income (such as bank or building society interest) will be reduced from 10% to 0% per cent and the maximum amount of taxable savings income that can be eligible for this starting rate will be increased from £2,880 to £5,000
more details:
http://www.ion.icaew.com/TaxFaculty/post/Starting-rate-of-tax-for-savings-income