What we earn

Household Incomes

Source: Urban Economics

Hang on, isn't it more relevant to focus on the demographic that's more likely to be trying to get into the property market, because older people and retirees, who already own or are paying off homes, may skew the figures? Absolutely: this is the key demographic, especially if you're a developer of new detached housing product - which is what this cohort mainly wants to buy to raise a family in (as opposed to the apartment they might rent while pre-children).

Personal income profiles of the 25-34 year old age group are pretty much in line with the Australia wide picture. More than half earn less than $52,000 and roughly eight in ten earn less than $78,000 per annum, which means eight in ten of this age group – who are at the peak of their family formation potential – would be faced with a price multiple of more than 5 times incomes on a $400,000 property, and more than half would be faced with a price multiple which is eight times their income, or more.

Source: Urban Economics

None of this is great news. For developers trying to provide affordable new housing in new greenfield estates in urban fringe locations, the reality of these income profiles can't be escaped. I had the privilege of visiting one such estate in south east Queensland recently and what I saw was absolutely first class product at very good entry level prices in a very well designed environment. No 'McMansions' here – just quality new detached three and four bedroom homes, on small lots, priced from around $350,000 - and in some cases less.

But even at $350,000, only around 15% or so of the target 25 to 34 year old demographic could afford to get in with a price multiple of less than 5 times an individual's income. That proportion would rise taking into account combined incomes for this age group, but it won't rise beyond around a quarter or a third. The reality is that more than half this age group would find an entry level $350,000 home would be six times their combined incomes or more. It would be tough going.

Granted, interest rates are currently very low and some governments are offering stamp duty and other concessions to first time buyers. But these are having next to no impact on this market. Rates of first home buyer activity are at generational lows. And interest rates won't stay this low forever. A significant rise in variable home loan rates could tip a substantial number of families in this age group from the 'just making it' basket into the 'we're stuffed' basket.