The Cabinet Office was created exactly 100 years ago and is the beating heart of the British state. It ensures the Cabinet and Whitehall run properly, that Britain survives military and economic crisis, overseas intelligence and security, and liaises with Europe, the Commonwealth and the G7/8/20.

This podcast, from the 46th Gerald Walters Memorial Lecture, lifts the lid on what happens inside the Cabinet Office.

Sir Anthony Seldon’s book on the Cabinet Office 1916-2016 is published in December 2016.