In an article from our forthcoming publication, The UK’s Changing Democracy: The 2018 Democratic Audit, Patrick Dunleavy looks at how well the dominant centre of power in the British state operates – spanning the Prime Minister, Cabinet, Cabinet committees, ministers and critical central departments. How accountable and responsive to Parliament and the public is this ‘core executive’? And how effective are these key centres of decision-making and the rest of Whitehall government, in making policy? Do they consistently serve UK citizens’ interests?