Josh Neicho speaks to Ben Judah, Heather Kennedy and Martin Skinner about housing, the hottest issue of the London mayoral campaign.
Ben Judah is a journalist and author of This Is London, about the migrant experience of London.
Heather Kennedy is an organiser of Digs, a private renters' campaign group in Hackney which is part of the Radical Housing Network.
Martin Skinner is a micro-apartment developer who is CEO of Inspired Asset Management and Inspired Homes.