Of all the taxes that can arise during matters of property in Australia, capital gains tax (also known as CGT) is perhaps the most feared. Despite this reputation though, it’s crucial that anyone looking to buy or sell a property has a thorough understanding of what CGT is and how it works.
So, let’s go over a basic, summarised explanation of CGT, how it works, what it applies to and who must pay it.
Capital gains tax, or CGT for short, is a government tax levied on profits made from the sale of certain pieces of private property known as capital assets, such as real estate. The sale of such an asset is known as a CGT event.
Any profit you make as the result of a CGT event is referred to as a capital gain, and a loss resulting from a CGT event is known as a capital loss. Before a capital gain or loss is determined, the money you received as a result of the sale is known as your capital proceeds.
Luckily for the humble taxpayer, capital gains tax is treated as part of your income tax, meaning you will need to report any capital gains or losses as part of your annual income tax return, rather than pay it separately.¹
Property and real estate are considered subject to CGT and will typically trigger a CGT event if sold. However, there are a handful of exceptions and exemptions which mean plenty of Australians sell their home every year without having to pay tax on the subsequent capital proceeds.
This is because the Australian Taxation Office offers something called the main residence exemption, a CGT exemption which applies if you’re an Australian resident and the property you’re selling:
This means that if you’re selling an investment property, the profits will be subject to CGT. This is true even if you lived in the property at some point – if it was ever used to produce income, its sale will be a CGT event.²
For matters of CGT, an asset’s purchase price or market value is less relevant than its cost base – e.g., the asset’s sale price plus any costs you incurred acquiring, holding, or disposing of it.
In a property context, this could mean insurance premiums, council rates, land tax, repairs, etc. The sum of these costs over the period of time you owned the asset for would determine your asset’s final cost base, which forms a large part of most CGT calculations.
To calculate your capital gains tax burden for the year, you can simply figure out the sum of your individual capital gains and losses over the financial year and determine your total capital gain or loss. However, there are some other factors and calculation methods you may want to take into consideration, as they could help reduce your capital gain and subsequently the tax payable on it.
The ATO outlines three methods for calculating a capital gain. Given you’re eligible to use it, you’re allowed to choose the method that provides the smallest capital gain – which may reduce your payable tax.
If you owned the asset in question for at least 12 months before selling it and you’re an Australian resident for tax purposes, you can get a CGT discount of 50% off your net capital gain; or 33.33% if you owned the asset through a self-managed superannuation fund (SMSF).³
If you acquired the asset before 21 September 1999, you can choose to index its cost base for inflation up to 30 September 1999 – meaning its original cost will be considered higher relative to the price you eventually sell the asset for.
This in turn means the difference between the two prices will be smaller, and you’ll make a smaller taxable capital gain after selling the asset in question.⁴
If you’re not eligible to utilise either of the two methods detailed above, you’ll simply need to calculate the difference between the asset’s cost base and the capital proceeds it generated when sold.⁵
When calculating capital losses, it’s important to keep your reduced cost base in mind. This means not just looking at the purchase price of an asset, but how much it cost you to acquire, maintain, and sell.
This means that even if you sell a property for less than you bought it for, you may not make a capital loss if the asset’s reduced cost base is low enough. According to the ATO, when calculating an asset’s reduced cost base, you’ll need to find the sum of the value of:
Once you have your reduced cost base, you can subtract it from your capital proceeds to figure out whether you’ve made a capital loss or not.⁶
Capital gains tax is treated as part of your regular income tax, so any capital gains you make will be taxed at your marginal tax rate for the relevant financial year.¹
This means there are no standalone or separate tax rates for capital gains tax; you will need to refer to the current tax law to determine the income tax rate at which your capital gains and taxable income will be assessed.
Inherited properties are treated similarly to any other property for the purposes of CGT. If you sell an inherited property that you used as your main residence, you may be eligible for the main residence exemption.
If the inherited property was used to produce income however, you may have to pay CGT on the capital proceeds resulting from its sale.⁷
If you and your partner own a family home together but ownership of the property is formally transferred to a single party due to divorce or relationship breakdown, you may be able to defer paying CGT on said transferral (which would usually be treated as a CGT event).
To be eligible for such a deferral, the transfer of ownership must occur under a court order or other formal agreement.⁸
After the transferral of ownership, CGT will apply once the property is sold or otherwise transferred again. However, when calculating the applicable CGT you’ll work it out based on the point it was initially acquired, not the point at which it was transferred solely to you.⁹
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