Housing matters a lot in Australia. Having a house on a quarter acre block is part of the “Aussie dream”. Housing is a popular investment destination. And the housing cycle is a key component of the economic cycle and closely connected to interest rate movements. But in the last 15 years or so it has taken on a darker side as a surge in house prices that started in the late 1990s has led to poor affordability and gone hand in hand with surging household debt.