For two decades, Australia watched its housing market transform from a symbol of prosperity into one of its most pressing social crises. Prices that once grew steadily soared to levels that have locked out an entire generation — not because of individual failure, but because of deep structural forces. These five charts tell that story using data directly from the Australian Bureau of Statistics.
Since 2003, residential property prices have surged across every capital city. Sydney’s index more than doubled, rising 157% between 2003 and 2021. Even cities long considered affordable — Brisbane and Adelaide — have joined the surge, particularly after 2020.
Figure 1. ABS Residential Property Price Index (RPPI) for five capital cities, September 2003 – December 2021 (base period: 2011–12 = 100). Click legend items to toggle individual cities on or off.
Source: ABS (2022). Residential Property Price Indexes: Eight Capital Cities, Table 1 (Cat. No. 6416.0). https://www.abs.gov.au/statistics/economy/price-indexes-and-inflation/residential-property-price-indexes-eight-capital-cities/latest-release
Behind the smooth trend lines lies a volatile story. Perth experienced a staggering 46% year-on-year surge in 2006. Sydney peaked at nearly +27% in late 2021. These boom-bust cycles reveal a market increasingly driven by speculation rather than fundamentals — and they left buyers who timed their purchase wrong paying a severe price.
Figure 2. Year-on-year percentage change in the RPPI by capital city, 2004–2021. Perth’s 2006 boom (+46%) and the synchronised post-COVID surge across all cities stand out as two of the most extreme episodes in recent Australian housing history.
Source: ABS (2022). Residential Property Price Indexes: Eight Capital Cities, Table 1 (Cat. No. 6416.0). https://www.abs.gov.au/statistics/economy/price-indexes-and-inflation/residential-property-price-indexes-eight-capital-cities/latest-release
Zooming out to 2002 reveals a clear structural break. For most of the 2000s, prices rose then plateaued. From 2013 onwards — and especially from 2020 — the national index entered a steep, near-uninterrupted climb. The GFC briefly interrupted growth; the COVID-19 pandemic accelerated it.
Figure 3. Established House Price Index for four cities and the national weighted average, March 2002 – December 2021. Use the range slider to zoom into any period. The national average rose from 52 to 219 — a 321% increase over 20 years.
Source: ABS (2022). Residential Property Price Indexes: Eight Capital Cities, Table 2 — Established House Price Index (Cat. No. 6416.0). https://www.abs.gov.au/statistics/economy/price-indexes-and-inflation/residential-property-price-indexes-eight-capital-cities
Even as prices surged, wages grew slowly. Indexing both to the same starting point (May 2012 = 100) makes the gap impossible to ignore. By December 2021, the national house price index had grown to nearly 190 on this scale — while ordinary time earnings for full-time workers reached only around 128. The gap between what workers earn and what housing costs is not closing; it is widening.
Figure 4. National established house price index vs. average weekly earnings for full-time persons (ordinary time and total), both indexed to May 2012 = 100. Hover over any point to compare the exact index values side-by-side.
Sources: ABS (2022). Residential Property Price Indexes (Cat. No. 6416.0); ABS (2026). Average Weekly Earnings, Australia, Table 1 — Trend (Cat. No. 6302.0). https://www.abs.gov.au/statistics/labour/earnings-and-working-conditions/average-weekly-earnings-australia/latest-release
Even as earlier data shows house prices outpacing wages over two decades, the most recent ABS CPI data reveals that housing costs continue to rise faster than nearly every other spending category. Between April 2024 and April 2026, the Housing CPI rose 8.5% — outpacing Food (6%), Health (8.5%), and all other groups except Education. The crisis is not easing.
Figure 5. CPI components indexed to April 2024 = 100, tracking relative price growth through April 2026. Housing (orange) and Education (purple) lead all categories. Click any legend item to hide or show that series.
Source: ABS (2026). Consumer Price Index, Australia, Table 2 — CPI Group Index Numbers, Weighted Average of Eight Capital Cities (Cat. No. 6401.0). https://www.abs.gov.au/statistics/economy/price-indexes-and-inflation/consumer-price-index-australia/latest-release
Australian Bureau of Statistics. (2022). Residential property price indexes: Eight capital cities — Table 1, Residential property price index; Table 2, Established house price index (Cat. No. 6416.0). https://www.abs.gov.au/statistics/economy/price-indexes-and-inflation/residential-property-price-indexes-eight-capital-cities/latest-release
Australian Bureau of Statistics. (2025). Average weekly earnings, Australia — Table 1, Trend estimates (Cat. No. 6302.0). https://www.abs.gov.au/statistics/labour/earnings-and-working-conditions/average-weekly-earnings-australia/latest-release
Australian Bureau of Statistics. (2026). Consumer price index, Australia — Table 2, CPI group index numbers, weighted average of eight capital cities (Cat. No. 6401.0). https://www.abs.gov.au/statistics/economy/price-indexes-and-inflation/consumer-price-index-australia/latest-release
Anthropic. (2025). Claude (Version Sonnet 4.6) [Large language model]. https://claude.ai
Plotly Technologies Inc. (2015). Collaborative data science. Plotly. https://plotly.com/r
CoreLogic & ANZ. (2023). Housing affordability report 2023. CoreLogic. https://www.corelogic.com.au
Acknowledgements: Claude (claude.ai), an AI assistant developed by Anthropic, was used during the preparation of this assignment to assist with improving the Data visualisations, making them more attractive to the reader/viewer .No development of code was done using it. All data was sourced directly from the Australian Bureau of Statistics. The narrative, analysis, and final judgements are the author’s own. The following resources were consulted during research and development:
Australian Bureau of Statistics (abs.gov.au) — primary data source for all datasets used in this assignment, including housing price indexes, average weekly earnings, and consumer price index data.
The Conversation (theconversation.com) — reviewed for article style, tone, and narrative structure guidance prior to designing the visualisations.
Plotly R documentation (plotly.com/r) — consulted for interactive visualisation syntax, hover templates, and layout options.
CoreLogic Housing Affordability Report 2023 (corelogic.com.au) — consulted for contextual framing of mortgage stress statistics referenced in the narrative text.