Andy Burnham is set to enter 10 Downing Street at a moment of unusual strain in British politics. His arrival means the United Kingdom will have had seven prime ministers in the decade since the Brexit vote, a stark sign of how unsettled the country has remained since that turning point.

The scale of that turnover points to a deeper problem than a simple change of leadership. Burnham takes office in a political environment shaped by instability, where governments have struggled to create lasting direction and where public confidence has been tested by repeated resets at the top.

He also inherits a country described as fragmented, suggesting the challenge is not only about governing from Westminster but about holding together a divided national picture. The label “king of the North” underlines the importance of regional identity in his rise, while also hinting at the wider pressures any new prime minister faces in trying to speak for the whole UK.

That leaves Burnham with a difficult starting point: restoring authority, projecting stability and finding a way to govern a post-Brexit Britain that has seen constant leadership change. His premiership begins with expectations shaped as much by the country’s recent turbulence as by his own political reputation.