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Selling Property · Koste Knowledge Base

What CGT Applies to Demolishing a Property?

Quick Answer

When you demolish a property, the cost base for capital gains tax (CGT) purposes is adjusted by the demolition costs. Under Australian tax law, if the demolition leads to a capital improvement, these costs can be incorporated into the property's cost base, potentially reducing your CGT liability upon sale. Always consult a tax professional for specific advice.

Demolishing a property in Australia can have significant tax implications, particularly concerning Capital Gains Tax (CGT). When a property is demolished, the associated costs can alter the cost base of the property, which in turn affects CGT calculations upon eventual sale.

Under Division 43 of ITAA 1997, demolition costs are considered capital in nature if they relate to a capital improvement. This means they can be added to the cost base of the property. The cost base is a crucial figure as it determines the capital gain or loss upon disposal of the asset. Many investors mistakenly believe that demolition costs are immediately deductible, but this is not the case.

The most common misconception is that demolishing a property automatically results in an immediate CGT event. In reality, the CGT event typically occurs when the property is sold. However, the demolition can affect the property's cost base, thereby influencing the CGT outcome upon sale.

To see how this plays out, consider a scenario where you own a 1975-built house in Melbourne, purchased for $800,000. You decide to demolish the existing structure to build a new development. The demolition costs $50,000. These costs are added to your cost base, making it $850,000. If you later sell the property for $1.2 million, your capital gain is calculated on the $1.2 million sale price minus the $850,000 cost base, resulting in a gain of $350,000. At a 37% marginal tax rate, this could mean a tax liability of $129,500 before any discounts or exemptions.

In our experience reviewing thousands of properties across Australia, a few patterns emerge: many investors overlook the potential to adjust their cost base with demolition costs, leading to higher tax liabilities. Additionally, some fail to account for the impact of holding periods and improvements on CGT calculations, which can significantly alter tax outcomes. It's also common to see confusion between immediate deductions and capitalised costs, especially when dealing with mixed-use properties.

The answer can differ depending on your situation. For instance, if the property was acquired after 7:30pm AEST on 9 May 2017, and it is a second-hand residential property, the rules around claiming depreciation on plant and equipment differ. For properties held in a Self-Managed Superannuation Fund (SMSF), there are additional considerations around fund compliance and tax treatment. Joint ownership can also influence CGT outcomes, as each owner’s tax position must be considered. Additionally, the treatment of demolition costs may vary if the property is used for business purposes versus purely residential.

Given the complexity of CGT and demolition costs, it's advisable to obtain professional advice. A Chartered Quantity Surveyor can provide detailed assessments of demolition and construction costs, while an accountant can ensure that your tax strategy aligns with your financial goals and complies with current legislation.

  • Review your property's cost base: Include any demolition and construction costs.
  • Consult with a Chartered Quantity Surveyor: Obtain a detailed cost report.
  • Engage an accountant: Discuss tax strategies and implications.
  • Consider the holding period: Determine eligibility for CGT discounts.
  • Evaluate development plans: Assess the impact on future tax liabilities.
  • Keep detailed records: Maintain documentation of all expenses and improvements.
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    Written by Koste Team · Koste Chartered Quantity Surveyors · AIQS Member · RICS Member · TPB Registered · 1300 669 400 · info@koste.ai