Question to the HM Treasury:

To ask the Chancellor of the Exchequer, what information her Department holds on the number of times Peter Mandelson visited 11 Downing Street between June 2010 and March 2020 for each year.

Visitor information for 11 Downing Street is not retained for the time periods specified. Archived diary records, which are only available for the period from June 2016-March 2020, found no record of a visit by Lord Mandelson to 11 Downing Street.