In April 2020, she quit ITV News to become director of strategic communications at the Treasury under Chancellor Rishi Sunak. Six months later, in October 2020, she was given the newly-created role of Downing Street Press Secretary, to present proposed televised press briefings initially scheduled for launch in November 2020. The briefings were delayed to 11 January 2021 and it was reported that they would take place when the House of Commons was sitting on Mondays, Tuesdays and Thursdays. The January launch date was repeatedly pushed back due to the COVID-19 lockdowns and on 20 April it was announced that the briefings would be scrapped entirely, with Stratton instead becoming the spokesperson for the COP26 summit to be held in Glasgow in November.