s, shops and businesses with living space on the higher floors. The urbanization of the larger Roman cities caused a great demand for housing which was within a comparable vicinity of the city center and real estate was therefore at a premium. As such, private houses were a luxury which only the wealthy could afford. This led to a majority of the inhabitants of the inner city living in apartment and tenement housing called insulae. Construction . Because of the inherent safety issues and extra… (More on Insulae)