New Zealand households have gone through a period of deleveraging since the GFC in 2007 in which borrowing against the house has dropped significantly. Consequently household savings has gone up. However the increase in household debt from 2000 to 2007 was rapid and is forecast to increase further especially with house price inflation on the rise. But this house inflation doesn’t correlate to the economic conditions of the country and RBNZ Governor can be justified in saying that house prices are over-valued. Graph below from the BNZ Economy Watch.