Melbourne set to overtake Sydney as Australia’s biggest city as property demand surges
Strong population growth, major infrastructure spending and comparatively affordable property are expected to cement Melbourne’s position as Australia’s most attractive long-term real estate market.
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Melbourne is poised to become Australia’s largest city within the next decade, with strong population growth, infrastructure investment and relative affordability driving long-term property demand.
A new research report from Knight Frank argues the Victorian capital remains one of the country’s most compelling markets for investors, businesses and residents.
The report highlights the city’s rapidly expanding population, diverse economy and major infrastructure pipeline as key factors underpinning future property growth.
Knight Frank Managing Director Victoria, Dominic Long, said Melbourne’s fundamentals continue to position the city strongly for long-term investment.
“Melbourne continues to stand out as one of Australia’s most compelling real estate markets,” he said.
“It is Australia’s strongest long-term growth city with the fastest growing population, the most diversified economy, world-class liveability and the most affordable major market for office, industrial and residential property.”
Population growth driving demand
Melbourne’s population has grown at an average rate of 1.8 per cent per year since 2000, faster than any advanced global economy, according to the research.
In the year to June 2025 alone, the city added about 123,500 residents, the largest annual increase of any Australian capital.
Population growth is expected to remain one of the key drivers of demand across residential and commercial property markets, including housing, offices and logistics space.
The report forecasts Melbourne’s population will overtake Sydney’s by the 2030s, reinforcing its position as the country’s fastest-growing major city.
Office market offering value
Melbourne’s CBD office market is also attracting renewed attention from investors.
Prime office rents remain significantly lower than in competing cities, with CBD office space about 46 per cent cheaper than Sydney and around 13 per cent cheaper than Brisbane.
That relative affordability is expected to drive long-term demand from occupiers and investors seeking value in Australia’s largest office markets.
The city’s office sector is also showing signs of recovery, with effective rents rising in 2025 and demand increasing for high-quality buildings in premium locations.
Industrial market benefiting from scale
Melbourne’s industrial sector continues to expand, supported by strong population growth, e-commerce demand and the scale of the city’s logistics network.
The city already hosts the country’s largest industrial market, with about 34 million square metres of warehousing stock and significant land available for future development.
Industrial rents remain competitive compared with other capitals, while Melbourne’s port handles the largest container volumes in Australia, further supporting demand for logistics space.
Infrastructure pipeline supporting growth
More than $200 billion in transport infrastructure investment between 2014 and 2036 is also expected to reshape the city and support future property values.
Major projects include the Metro Tunnel, the West Gate Tunnel, the North-East Link and the Suburban Rail Loop, which together will improve connectivity across Melbourne and its growth corridors.
Knight Frank’s Head of Research & Consulting, Victoria, Dr Tony McGough, said these investments would play a key role in supporting the city’s economic expansion.
“Melbourne is Australia’s most economically diverse city and has delivered stable growth for more than two decades,” he said.
“With strong population growth, a highly educated workforce and unprecedented infrastructure investment, Melbourne is well placed to remain one of Australia’s most attractive long-term property markets.”
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Office rents in Sydney, Melbourne and Brisbane are climbing at their fastest pace since the pandemic as tenants compete for premium CBD space amid tightening supply.
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Australia’s major CBD office markets are recording some of their strongest rental growth since the pandemic, with businesses increasingly prioritising premium office space despite elevated geopolitical and economic uncertainty.
Knight Frank’s Australian Office Indicators Q1 2026 report found net effective rents in Sydney and Melbourne CBDs rose at their fastest annual pace since COVID-19, increasing 10.2 per cent and 6.8 per cent respectively over the 12 months to March.
Brisbane posted the strongest growth nationally, with net effective rents climbing 11.7 per cent over the same period.
The report points to a widening divide between prime CBD office towers and secondary office stock, as occupiers increasingly focus on quality, location and workplace amenity when making leasing decisions.
Knight Frank Senior Economist, Research & Consulting Alistair Read said demand remained heavily concentrated in premium assets within core CBD precincts, helping drive stronger rental growth in top-tier buildings.
“Occupier demand continues to be heavily concentrated in the most desirable CBD precincts and the highest-quality buildings, accelerating a sharp divergence between core and non-core markets,” Mr Read said.
According to the report, Sydney’s Core precinct and Melbourne’s Eastern Core significantly outperformed broader CBD markets over the past year.
“In Sydney’s Core precinct and Melbourne’s Eastern Core, net effective rents surged 14.3% and 16.1% over the past year, significantly outperforming the rest-of-CBD precincts,” Mr Read said.
The rental gap between prime and non-prime office locations has also continued to widen sharply.
“As a result, core CBD rents are now 54% higher than non-core locations in Sydney and 93% higher in Melbourne, highlighting the growing premium placed on amenity, accessibility and workplace quality,” he said.
Knight Frank said the strong rental growth across the major CBDs was being underpinned by a limited supply pipeline, with few new office developments expected to be delivered in the near term.
Mr Read said subdued construction activity was likely to support ongoing rental growth and tighter vacancy rates over the medium term, particularly for premium office towers.
“The combination of sustained demand and declining levels of new development will aid ongoing prime rental growth and lower vacancy rates over the medium term, particularly for best-in-class assets,” he said.
The report noted that current economic conditions were making new office developments increasingly difficult to justify financially.
“Economic rents remain well above expected market rents, making the construction of new office towers largely unviable, and concentrating tenant demand into existing buildings,” Mr Read said.
While suburban office markets generally remained subdued compared with CBDs, Melbourne’s Southbank precinct was identified as a relative outperformer, recording annual net effective rental growth of 2.7 per cent.
The report comes as broader Asia-Pacific office markets continue to stabilise following several years of disruption linked to hybrid work trends, inflation and rising interest rates.
Knight Frank’s separate Asia-Pacific Q1 2026 Office Highlights report found Sydney and Brisbane were among the strongest-performing office rental markets in the region, behind only Bengaluru and Tokyo for annual prime net face rental growth.
The Asia-Pacific report also found 18 of the 24 cities monitored across the region recorded stable or increasing rents in the first quarter of 2026, even as geopolitical uncertainty intensified following escalating conflict in the Middle East.
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