flatdom

The realm or sphere of apartment buildings.

Noun

  1. The realm or sphere of apartment buildings.
    • He drove to Chillesford Mansions in the dusk of the next afternoon full of hope that was only mildly damped by the drab uniformity of West Kensington flatdom. - 1930, Clifford James Wheeler Hosken, The Man in the Red...

Origin

From flat + -dom.