HM, that cave is astounding, but it doesn't have the charm of con/de-struction debris and no Banksy.
Fargon, Carruthers, keep in mind that chart is only for London and may not reflect the rest of the country.
Dana, NYC addressed the skyrocketing rents with "rent control" laws that capped the rate at which rents could rise. From that point tenants were protected unless they moved, so it was in the landlords interest to evict people, often unfairly. That resulted in a dual system of buildings controlled and uncontrolled, which is pretty bizarre.
We could house all the homeless in the empty walmart stores... and that's without the coming vacancies which are all
juju's fault.