It’s a bit preposterous to write that without taking house prices and salaries into account.
I moved to Sussex and bought here with negative equity in ‘91. It was just about affordable because even 110% of the house price wasn’t a crippling mortgage. If one of my kids - one is the age I was...
They‘ll be alright - can now wait for the upcoming price crash/correction, followed by lower interest rates in a couple of years and then make their move. Problem is the BTL lot will be all over it again at that point.