Political parties across the spectrum seem happy to allow rents to rage out of control. Also totally ignoring the speed with which houses change hands as cash only purchases.

As long as you are naming the tax cheats too.

They could charge higher rates for vacant properties, charge a sliding scale rising as dereliction increases and put an end to property hoarding and the 'managed' dereliction/gentrification boom/bust cycle that has wrecked so many towns and cities.

Generation rent and the ethics of banks lending money to people who will then get the people the banks wouldn't lend to to repay their mortgages

There is plenty of funding being used incorrectly through exorbitant fees to private providers. The private rental sector needs controls including rent caps and appropriate taxation. Housing sector is ultimate socialism for capitalists. Homelessness had become an industry