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Capital works deductions

Capital gains tax
Capital gains tax (CGT) is the tax you pay on a capital gain. It is not a separate tax, just part of your income tax. Selling assets such as real estate, shares or managed fund investments is the most common way you make a capital gain (or capital loss).
Capital works deductions
Capital works used to produce income, including buildings and structural improvements, are written off over a longer period than other depreciating assets.
Depreciation and capital expenses and allowances
Capital allowance measures contain the rules for calculating the decline in value of depreciating assets.
Effective life of an asset
To use either of the depreciation methods, you have to work out how long the asset can be used to produce income - its effective life.
Property
Your home is generally exempt from tax. If you have an investment property, build or renovate for profit, or use a property in the running of a business, there may be implications for income tax, capital gains tax and goods and services tax (GST).