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Depreciation Estimate Calculator

Check your Property Tax Depreciation Deductions Today!

By using the NBtax property tax depreciation calculator you can measure your potential depreciation allowances for a free-standing house, townhouse, duplex or apartment, currently rented out or even a property you are considering buying as an investment in the future.

Once you have an estimate of your depreciation allowances, add this figure to your other property investment deductions (eg. repairs, interest payments, rates, property management costs) and subtract from rental earnings. This will enable you to gauge the potential of your residential property to deliver a positive return on your investment.

Enter your information into our NBtax calculator and learn how much you could be claiming in property tax depreciation deductions. It’s easy to use and only takes a few minutes to complete.

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depreciating rental property investments

How does the NBtax Property Tax Depreciation Calculator Work?

Our online property tax depreciation calculator provides an estimate of how much you could be gaining in depreciation allowances over a five-year period for your residential investment properties. These depreciation estimates are only a Guide and Not valid to submit with your income tax return.  Your claim would be dependent on your personal income tax position.

Property tax depreciation estimates for residential properties are based on two allowances:

Depreciating Assets (Plant & Equipment Items) Capital Allowances: (Division 40) and Building Allowances: Capital Works (Division 43).

Plant & Equipmentare items that lose value more quickly - for instance, carpets, air conditioning units, and whitegoods such as dishwasher, stovetops, ovens, plus furnishing. Many property owners claim up to 20% of the property's purchase price as depreciable assets. Since changes to the property tax legislation came into effect, this allowance only applies to existing (or second-hand) residential properties purchased before 9th May 2017. Existing or second –hand residential properties purchased after this date, can claim depreciation for Plant & Equipment Items on new equipment purchased only, or if the assets are included with the purchase of a newly constructed residential property.
plant equipment whitegoods depreciated value
capital works building improvements maintenance costs

Eligibility to claim Building Allowances: Capital Works (Division 43) depends on the age of your residential property. If your property was built after 15th September1987, you might be eligible to claim a deduction for part of the original construction or refurbishment costs. On newly constructed properties, 2.5% of the construction cost for the structure of the building and other fixed assets will apply to the expected life of the property for up to 40 years.

As mentioned, our NBtax online calculator provides only an Estimate of the potential depreciation deductions available for your investment property. You must obtain a precise schedule of depreciation deductions that compiles with ATO rulings from a Registered Tax Agent or Quantity Surveyor such as NBtax by Napier & Blakeley. This depreciation schedule can then be used to claim against the income earned through rent from your existing investment property or a new property you are considering buying and using as an investment in the future.


Even though you have an estimate of the potential depreciation deductions for your residential investment property, you are required by the Australian Tax Office (ATO) to submit a depreciation schedule for your property with your income tax return.

Many property investors fail to include depreciation allowances with their tax return, missing out on thousands of dollars in potential deductions. Others may inadvertently submit incorrect information and figures through non-compliant depreciation schedules and risk receiving penalties from the ATO.

Step 1.
Provide a comprehensive depreciation schedule with your income tax return.

Property tax legislation is complex. Our experienced and qualified NBtax Quantity Surveyors and Property Tax Analysts consider many factors when calculating the benefits for investors. With your help, we can provide you with a comprehensive and complex analysis of your property’s assets including fit-outs and contents that comply with property tax rulings.

You will be able to use your detailed and precise property tax depreciation schedule year-on-year to manage your cash flow and calculate the profitability of your investment property.  Our NBtax depreciation schedules are a valuable investment offering great benefits for an affordable once only cost. We guarantee you will receive professional service throughout the entire process, as well as an exact and all-inclusive tax depreciation schedule which will fully comply with ATO requirements.

Step2. 
Choose your Property Tax Depreciation Advisor wisely.

To ensure NBtax can help you claim the maximum amount of depreciation deductions for your investment property, we need you to provide the following information.

  1. Purchase price and land value
  2. Construction date or the age of the building
  3. Contract exchange date, and settlement date
  4. Legal fees and stamp duties
  5. Builder’s contract / invoices and costs for renovations
  6. Receipts for purchases of new plant and equipment items
Step 3. 
Keep accurate documentation, records, and receipts

NBtax calculates depreciation deductions for investment properties throughout Australian to help investors reduce their taxable income, offset rental income, and potentially receive thousands of dollars in income tax rebates.

With over 30 years’ experience working in the property and construction industries, we’re confident our team of Quantity Surveyors and Property Tax Analysts offers you the best independent professional advice and the most accurate property depreciation tax schedules. 

As trusted property tax advisors, we guarantee personal and professional service delivered promptly. 

Start claiming depreciation allowances for your investment properties and order your property tax depreciation schedule today!

Step 4. 
Order your Property Depreciation Report