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These guides and supporting technical documents provide information on how DWP produces Fraud and error estimates. They address data quality and provide background on the uses and users of the estimates we produce.
There is contact information and more about DWP statistics on the Statistics at DWP page.
Revised versions of the documents on this page have been published to support the latest release of the fraud and error in the benefit system statistics (also published today, 14 May 2020).
Published revised versions of all documents to support the release of the 2018 to 2019 estimates (published 9 May 2019).
Published revised versions of all documents to support the release of the 2017 to 2018 estimates (published 6 December 2018). The 2 separate technical appendices have been combined into one document.
Added revised technical appendices, which have been updated in line with the 2017/18 preliminary estimates published in May 2018. Also added revised 'Uses and users of the DWP fraud and error in the benefit system statistics' and 'Quality methods', minor changes throughout.
Published a new 'Technical annex for continuously reviewed benefits'. This updates and replaces the following 3 annexes, which have been removed from the page: 'Benefits technical appendix for Income Support, Jobseeker’s Allowance and Pension Credit', 'Technical appendix for Housing Benefit' and 'Technical appendix for Universal Credit'. Also published a revised version of the 'Technical appendix for calculation of the overall overpayments and underpayments and net loss estimates' (now dated November 2017).
Revised version of 'Technical appendix for Universal Credit' with information in section 2 on Causal Link, where a review was unable to be completed. This revised version is dated May 2017.
Added revised version of 'Technical appendix for Universal Credit' with information in section 2 on Causal Link.
Published 'Technical appendix for Universal Credit'.
Added 'Technical appendix for calculation of the total gross estimates and net loss estimates'. Also published revised 'Technical appendix for Income Support, Jobseeker’s Allowance, Employment and Support Allowance and Pension Credit' and 'Technical appendix for Housing Benefit' which contain changes to methodology.
Published updated Housing Benefit technical appendix to accompany publication of final 2013 to 2014 estimates.