More squeeze on tenants as rents around the country surge over by an average of 6%.
The latest CoreLogic housing stats show rental growth's running at historically high levels, rising 6.1% in the year to October.
It's roughly double the average growth rate over that same period, which is 3.2%.
Chief Property Economist Kelvin Davidson says high levels of migration is one of the main drivers.
He says wages have risen and the supply side has been tight as investors haven't been adding more to their stock of rental properties.
Davidson says this rise in rents is mainly driven by demand.
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