George Osborne and Boris Johnson Visit The Aura Residential Development

LONDON, ENGLAND - FEBRUARY 20: After a short demonstration on plastering, Britain's Chancellor of the Exchequer, George Osborne (R), and London Mayor, Boris Johnson (L), are shown around the Aura residential development which is under construction in the Edgware district of north London on February 20, 2015 in London, England. Osborne and Johnson earlier on Friday announced plans to identify public sector sites in London for future housing developments and to increase 24-hour rail services across more underground tube lines, the London Overground trains and the London Docklands Light Railway in coming years. (Photo by Matt Dunham - WPA Pool /Getty Images)