The past 70 years have seen dramatic change
UK enters list of top 10 nations with the highest proportion of rental properties
Lender calculations show that mortgages are becoming unaffordable
But many of these 'property-rich, cash-poor retirees' may be missing out on crucial benefits
"Substantial pressure" is being put on the housing market by a range of factors
Developers grappling with possible rise of development finance costs
