A friend of mine is selling his 1 bed terrace (about £200K) and the prospective buyers are older than they would have been twenty years ago - in their 30s not t

A friend of mine is selling his 1 bed terrace (about £200K) and the prospective buyers are older than they would have been twenty years ago - in their 30s not their 20s is the impression I get. I imagine there are large mortgages too. Possibly some help from parents or inheritances as well. And couples so two salaries.