The 50 per cent CGT discount for individuals and trusts should be reduced to 25 per cent, with a gradual phase-in over five years (rather than grandfathering). This would better balance competing objectives, and raise about $6.5 billion a year for the federal budget.

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The dominant rationale for this reform is the economic and budgetary benefits – money which could be used to shore up the budget, reduce more economically harmful taxes and lower the tax burden on younger Australians, or pay for more support for low-income renters by boosting Commonwealth Rent Assistance.

Property prices would probably fall by less than 1 per cent. And would-be homeowners would win at the expense of investors.

This reform would have only a modest impact on the pace of new housing construction, and rents. For example, immediately halving the Capital Gains Tax discount could decrease the number of new homes being built by about 10,000 over the five years to 2030. That would result in a tiny – less than $1 per week – increase in median rents across Australian capital cities.

This impact on housing supply, and rents, could be more than offset if even a small portion of the proceeds from the reforms was used to fund a further boost to Australia’s social housing stock, or was reinvested in a revitalised National Competition Policy agenda to encourage state and territory governments to lift the pace of housing construction by reforming land-use planning rules and other regulatory barriers to more housing.

Joey Moloney

Housing and Economic Security Deputy Program Director
Joey Moloney is the Deputy Program Director of Grattan Institute’s Housing and Economic Security program. He has worked at the Productivity Commission and the Commonwealth Treasury, with a focus on the superannuation system and retirement income policy.

Aruna Sathanapally

CEO and Economic Prosperity and Democracy Program Director
Dr Aruna Sathanapally joined the Grattan Institute as CEO in February 2024. She heads a team of leading policy thinkers, researching and advocating policy to improve the lives of Australians. A former NSW barrister and senior public servant, Aruna has worked on the design of public institutions, economic policy, and evidence-based public policy and regulation for close to twenty years.