As set out in the 2007 pre-Budget report, the annual cost of tax relief on approved pension schemes for 2007-08 is estimated to be £17.5 billion.
Detailed estimates covering the period 1998-99 to 2006-07 are available in table 7.9 on Her Majesty’s Revenue and Customs website at:
I also refer the hon. Member to the answer given to the hon. Member for Eastleigh (Chris Huhne) on 24 October 2005, Official Report, column 52W.