Question to the HM Treasury:
To ask Mr Chancellor of the Exchequer, what estimate he has made of the amount lost to the public purse as a result of the Personal Savings Allowance in (a) 2016-17 and (b) 2017-18 to date.
HMRC publish the estimated costs of principal tax reliefs: https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/579720/Dec_16_Main_Reliefs_Final.pdf
The estimated cost of the personal savings allowance in 2016-17 is £370m. The next version of this publication covering 2017-18 will be published later in the year.