Renters are yimby, owners are nimby. Supply side regulatory capture is the problem; it is run by democracy. Thus if you look at demographic trends in rent-vs-ow

Renters are yimby, owners are nimby. Supply side regulatory capture is the problem; it is run by democracy. Thus if you look at demographic trends in rent-vs-own and turn-out (by region to account for non-proportional representation) one should be able to forecast when a nation will transition from nimby to yimby. In the UK looks to be a ways off.