The information is not available for the year requested.
Estimates of the value of claimed and unclaimed council tax benefit are provided in the National Statistics series ‘Income Related Benefits: Estimates of Take-Up’.
The latest available report provides information for 2007-08. A copy is available in the Library and online at:
http://research.dwp.gov.uk/asd/irb.asp
The report provides the following information in relation to council tax benefit for Great Britain in 2007-08:
Family type Total amount claimed Total range unclaimed Pensioners 2,010 Between 1,240 and 1,690 Couples with children 220 Between 70 and 130 Singles with children 700 Between 30 and 110 Non-pensioners without children 830 Between 180 and 320 Source: National Statistics series ‘Income Related Benefits: Estimates of Take-Up’