The analysis was conducted by Primara Research in collaboration with Airteam. If you use it, please cite and link to both. Thank you.
Sydney no longer has any affordable regions. Of the 301 regions analysed, 0 meet affordability benchmarks and 55% are now rated impossibly unaffordable, up from 39% five years ago. Even outer suburbs once considered accessible now contain no affordable areas. Population growth has not eased pressure. It has accelerated it, pushing prices higher wherever households relocate. The result is a housing system where affordability no longer exists as a geographic option.
New research analysing 301 Sydney regions shows the city has crossed a structural affordability threshold. Not a single region now meets affordability standards, and 55% are classified as “impossibly unaffordable”, the most severe category on the scale.
The analysis was conducted by Primara Research in collaboration with Airteam, combining population, wage and property price data to track how affordability has shifted across the metropolitan area over the past five years.
What the data shows is not a worsening at the margins, but a city-wide reclassification.
Affordability has shifted from pressure to permanence
Five years ago, Sydney still had regions that sat below the most severe affordability thresholds. That is no longer the case.
Over that period:
The share of Sydney classified as impossibly unaffordable rose from 39% to 55%
73% of regions became more unaffordable
No region improved enough to reach affordability standards
The concentration is strongest in traditionally high-priced areas, but critically, it now extends well beyond them.
Northern Beaches: 89% impossibly unaffordable
Eastern Suburbs: 80%
North Shore: 63%
South West: 62%
Sutherland: 60%
At the suburb level, Putney recorded an affordability index of 26.9, on a scale where 9 or above is already considered impossibly unaffordable.
Even the Outer South West, the least impacted region, contains zero affordable suburbs.
Population growth did not relieve pressure. It redistributed it.
As affordability deteriorated closer to the city, population growth accelerated in outer regions. That movement, in turn, drove prices higher in those same areas.
The four fastest-growing outer regions now account for 30% of Sydney’s population, up from 28% five years ago.
Region | Population growth (5 years) | Impossibly unaffordable five years ago | Impossibly unaffordable now |
|---|---|---|---|
Blacktown | 15% | 0% | 43% |
Baulkham Hills / Hawkesbury | 14% | 39% | 53% |
South West | 12% | 38% | 62% |
Outer South West | 10% | 0% | 20% |
Box Hill illustrates the pattern most clearly. Its population grew from 1,647 in 2018 to 22,420 today, a fourteen-fold increase. Over the same period, its affordability index rose from 5.6 to 8.3, moving rapidly toward the impossibly unaffordable threshold.
Only one area, Schofields-East, improved slightly, shifting from seriously to moderately unaffordable. That improvement triggered a 71% population increase in five years. Even so, it remains unaffordable.
- 0 of 301 Sydney regions meet affordability standards
- 55% of Sydney is now impossibly unaffordable
- 39% -> 55% increase in impossibly unaffordable regions over five years
- 73% of regions became more unaffordable
- 30% of Sydney’s population now lives in the four fastest-growing outer regions
- 26.9 highest recorded suburb affordability index, where 9+ is already impossible
The affordability illusion of the fringe
Outer regions continue to absorb population growth, but not because they offer affordability.
Baulkham Hills now sits at 65% impossibly unaffordable.
Blacktown has shifted from zero to 42% impossibly unaffordable, with a further 48% severely unaffordable.
“Sydneysiders are dedicating a fundamentally unsustainable proportion of their real wages to housing compared to the rest of the world,” says Rich Atkinson, Executive Director of Airteam.
“The impossibly unaffordable portion of Sydney jumped from 39% to 55% in just five years. People are being pushed further afield, but they’re not finding relief, they’re finding the same crisis in new locations.”
What the data says we are no longer debating
The most significant shift in the data is not where affordability is worst. It is what has been entirely removed from the conversation.
“The significance of the problem can be seen in what we’re not discussing,” says Peter Drennan, Head of Research and Data at Primara Research.
“We aren’t discussing how much of Sydney is affordable, none of it is. We are discussing how much of it is now at the maximum level, impossibly unaffordable. And the majority of it is.”
Affordability is no longer a spectrum. It has become a ceiling.
Sydney has moved beyond a cyclical affordability crisis into a structural one. When no region meets affordability benchmarks, households are no longer choosing between locations. They are choosing how much financial strain they can tolerate. Population growth is no longer relieving pressure. It is redistributing it, carrying the same affordability crisis from one edge of the city to the next. The data shows a housing market that no longer has a release valve. Without intervention that changes supply, wages, or both, Sydney’s housing system is not stabilising. It is locking in a permanently unaffordable baseline. That is a *very* different problem to solve.
