As I've posted before there is an aspect of the UK's #housingcrisis that is more about the distribution of available bedrooms, than the shortage of rooms - that includes both people living in houses with extra rooms (I admit I am one), and #houses that are empty... th latter now account for 1.4% of all properties... so, part of any solution to the UK's problem in housing is to get these homes back into use....
https://www.theguardian.com/society/2023/sep/24/more-stressful-than-prison-sharp-rise-in-the-number-of-empty-properties-in-england