Estimates of the numbers of families with tax credits awards, including information on overpayments and underpayments by constituency, based on final family circumstances and incomes, for 2005-06, is available in the HMRC publication “Child and Working Tax Credits Statistics. Finalised Annual Awards 2005-06. Supplements on Payments in 2005-06. Geographical Analysis”. This is available on the HMRC website at:
Estimates for 2006-07 tax credit awards are due to be published in May 2008 when family circumstances and incomes have been finalised.
Information on the number of families who are in dispute over their tax credits payments is not available at constituency level.