When it come to diverse councils, Lambeth LBC  just be near the top of the list. Perhaps best known, historically, for the Brixton riots in the early 1980s, this corner of south London has also made a name for itself by spawning inspirational leaders.

Police commander Brian Paddick championed a liberal approach to drugs in the borough a few years ago, and back in the 1990s, Heather Rabbatts became one of the most high-profile council chief executives in the country when she took on the ‘worst job in local government'.