You've heard repeatedly that increasing supply is critical to alleviating the housing crisis.

My next guest is a former developer, who has spent the more recent years of his career working with businesses to donate their time and skills to repurpose vacant buildings for people in need.

He's also knocking on the doors of power — in a bid to secure private investment for affordable housing on a large scale.

Guest: Robert Pradolin, founder and director of Housing All Australians