Question to the Cabinet Office:
To ask Her Majesty's Government when they last conducted a review of the effectiveness of their advertising campaigns and the related costs; and what were the results.
Government constantly monitors and gains insight on public awareness. We use regular evaluations to maximise the impact of our campaigns across the UK.
Cabinet Office publishes expenditure on COVID-19 and other national campaigns on a rolling monthly basis on gov.uk as part of routine government transparency arrangements.