I'm not talking about non-owner-occupied housing. A group here did a survey using water consumption figures to determine which houses were actually occupied and

I'm not talking about non-owner-occupied housing. A group here did a survey using water consumption figures to determine which houses were actually occupied and found that substantial numbers were completely unoccupied. https://www.abc.net.au/news/2014-11-12/water-use-study-highlights-empty-flats-in-melbournes-docklands/5886246 https://www.abc.net.au/news/2014-11-12/water-use-study-highl... (Old link but the same still applies)