25% in ten years means les then 2% each year. House market has to collapse as we have seen so many markets collapse. Its not that dramatic in the long run as it first appears. It 'll mean the grabbing for space to live in many places stops and there is grabbing for other resources. (Like space to farm.) That shortage in food however is a reason to worry about the future.
edit: on average we're all poorer then back in 2000 despite technological progress. That is an indisputable fact, agree with you there.