Billionaire buys up in development hotspot One of Queensland wealthiest men has joined a throng of investors and developers seeking a slice of an inner city development hotspot. Business by Chris Herde Premium Content Subscriber only ONE of Queensland's richest men has secured an inner city heritage building and adjoining car park in a precinct that has become a development hot spot. Billionaire founder of Super Amart furniture John Van Lieshout's private property investment and development company Unison Projects paid $5.7m for the 1821sq m site at 14 Maud Street, Newstead. Ray White Commercial's Tom Barr said the campaign generated more than 70 buyer inquiries from local and interstate developers and investors.