The Australian Government has introduced significant changes to the way capital gains are taxed. While these reforms have generated considerable discussion, it is important to understand that the new rules do not commence until 1 July 2027 and, for many investors, the impact may be less immediate than first assumed.
For more than 25 years, individuals and trusts have generally been able to reduce a capital gain by 50% when they sell an asset that has been held for at least 12 months. From 1 July 2027, this longstanding 50% capital gains tax (CGT) discount will be replaced with a new system based on inflation-adjusting the asset’s cost base, together with a minimum tax rate of 30% on capital gains. The changes do not apply to superannuation funds.
Those investors receiving certain types of Government income support payments, like the age pension, will not be subject to the 30% minimum tax rate.
The Government has stated that the reform aims to ensure investors are taxed on their “real” gains after allowing for inflation, rather than paying tax on gains that simply reflect rising prices over time.
Importantly, existing investments are not being retrospectively taxed under the new rules. The legislation provides that the reforms will only apply to capital gains that accrue from 1 July 2027 onwards. This means growth in the value of assets before that date will generally continue to receive treatment under the current rules.
For investors holding assets such as shares, managed funds, investment properties, business interests or other investments, there is no need to rush into decisions simply because of the announced changes. In many cases, assets acquired before 1 July 2027 will effectively span both systems, with gains accrued before that date treated differently from gains arising afterwards. The precise outcome will depend on individual circumstances and the type of asset involved.
The changes may affect investment decisions in the future, particularly for people considering long-term growth assets. However, tax should not be the sole driver of an investment strategy. Factors such as investment objectives, risk tolerance, diversification, income needs and estate planning considerations remain equally important. Furthermore, some investors may find that inflation indexation provides outcomes comparable to, or in some cases more favourable than, the current 50% discount, depending on economic conditions and investment holding periods.
With the commencement date still some time away, investors have an opportunity to review their portfolios and understand how the reforms could affect their future tax position. Seeking professional advice before making significant investment or disposal decisions can help ensure strategies remain aligned with both personal objectives and the evolving tax environment.
The key message is simple: the capital gains tax rules are changing, but the new regime does not begin until 1 July 2027. For now, investors should stay informed, avoid unnecessary action based on headlines, and consider how the changes may fit within their broader financial plans.
By Peter Kelly on 29 July 2026
