I live in America in an apartment building that was destined to become condos (in American terms, a purchasable apartment) just before the 2008 market crash. Due to the market crash and subsequent changes in mortgage requirements for condos, it became rentable apartments instead. It was built in 1913. It has brick walls that range from 2-3' thick, and I almost never hear my neighbors except through my front door. If I could own it, I would!