(This article is part of Bloomberg CityLab’s ongoing series exploring the iconic home designs that shaped global cities. Read more from the series and sign up to get the next story sent directly to your inbox.)

The housing crunch that the growing city of Vienna faced a century ago might seem strikingly familiar today: Private developers in the Austrian capital were good at building elegant luxury residences and substandard tenements for the poor, but they’d failed to create enough units to allow average residents to live in decent comfort at an affordable price.

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