Much of the nation's wealth seems to be tied up in our houses, which don't appear to be very productive from an economic standpoint. There is a kind of circular logic:
1. Houses cost a lot, so you have to borrow a great deal of money to buy a house.
2. Houses cost a lot, because you can borrow a great deal of money to buy a house.
Having regard for the wider consequences of your proposals, what is the optimum solution?