As recently announced by the Department for Work and Pensions:

The new rate of statutory sick pay will be effective from 6 April 2013 and the rate for the other statutory payments will be effective from 7 April 2013.

The proposed increases are as follows:

• Statutory maternity pay, statutory paternity pay and statutory adoption pay will increase from £135.45 to £136.78. The weekly earnings threshold for these payments will rise from £107 to £109
• Statutory sick pay will increase from £85.85 to £86.70, with the weekly earnings threshold also rising from £107 to £109.
•  Maternity allowance will increase from £135.45 to £136.78, with the earnings threshold remaining at £30.