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Tax & Wealth Strategy

Why Borrowed Money Isn't Taxed (And What That Really Means for Investors)

Most Australians understand that salary is taxed. But many are surprised to learn that borrowed money is not. This interactive guide explains the mechanism in plain English and the trade-offs involved.

7 min readโ€ขUpdated Feb 2026โ€ขInteractive Guide
Quick Poll

Test Your Knowledge

What do you think happens when you borrow $100,000?

๐Ÿ’ธIt is taxed like income

โœ…It is not taxed

๐Ÿค”It depends on how you use it

โ“Not sure

Key Concepts

Understanding Why Loans Are Not Taxed in Australia

When you receive your salary, the Australian Taxation Office (ATO) treats it as assessable income and taxes it accordingly. However, when you borrow money from a bank or lender, the situation is fundamentally different.

Borrowed funds are not considered income because they represent a liability that must be repaid, not earnings you have generated.

Loans = Liabilities, Not Income

Income vs. Debt

Income is money you earn - it increases your net worth. A loan is a liability. While you receive cash, you simultaneously acquire an obligation to repay. Your net worth does not change when you borrow.

How Investors Use This

By borrowing against accumulated equity, investors access capital without triggering a taxable event. This defers CGT while maintaining investment positions - the tax liability only applies when the property is eventually sold.

Important Considerations for Australian Investors

Tax is Deferred

When you eventually sell, CGT may apply on the full accumulated gain

Interest Costs

Borrowed funds require regular interest payments affecting cash flow

Deductibility Rules

Interest may be tax-deductible if used to produce assessable income

Lender Requirements

Banks assess your ability to service additional debt

Market Conditions

Property values can decrease, creating negative equity risk

Income vs Debt: The Simple Difference

Compare how the tax system treats these differently

Scenario A: Earn $100,000 Salary

Cash received:
Income
Tax outcome:
Taxable

Scenario B: Borrow $100,000

Cash received:
Loan Proceeds
Tax outcome:
Not Treated as Income

The tax system treats these differently because one is earned and one is repayable.

How Investors Use This Mechanism

Slide to explore each step of the process

1

Buy an asset

2

Asset grows

3

Equity increases

4

Borrow against equity

5

Access liquidity

Buy an asset

Acquire a property or investment

Key insight: Borrowing can provide access to funds without triggering a taxable sale. No sale means no realised gain. No realised gain means no capital gains tax event.

The Trade-Off: When Does Tax Show Up?

This is the part many people miss

During Borrowing

  • No sale occurs
  • No gain is realised
  • Borrowed funds are not income

When You Sell

  • The asset is disposed of
  • A capital gain may be realised
  • Capital Gains Tax may apply

Important takeaway: This approach often defers tax. It does not eliminate it. Tax is usually managed through timing, structure, and long-term planning.

When Does This Strategy Fit Best?

Select which sounds most like you

I want flexibility and buffers

I am building a long-term portfolio

I may need to sell within 3-5 years

My cash flow is tight

I am a business owner with stable income

Select an option above to see personalized insights

Good Debt vs Bad Debt

Debt is a tool. The purpose matters.

Consumer Debt

  • Funds lifestyle spending
  • Does not produce income
  • Often creates financial pressure

Investment Debt

  • Funds productive assets
  • May support income or growth
  • Requires careful structure and discipline

Key insight: Debt is not a wealth strategy on its own. What it funds determines the outcome.

What People Often Get Wrong

Click each myth to reveal the reality

Debt is free money

Borrowed funds must be repaid and serviced. Interest costs accumulate, and lenders require regular payments regardless of how you use the funds.

Tax disappears

Tax is often deferred until sale, not removed. When you eventually sell the asset, capital gains tax may apply on the full gain accumulated over the holding period.

More leverage is always better

Higher debt increases exposure to rate changes and forced sale risk. If interest rates rise or income drops, highly leveraged investors may face financial stress.

Equity can be treated like income

Equity is not cash flow. Drawing on equity creates obligations. Discipline matters when accessing equity to ensure sustainable borrowing.

A Better Way to Think About It

The goal is not to avoid tax forever

Assets grow over time

Borrowing can provide flexibility without selling

Selling triggers tax

Timing and structure determine outcomes

This is why sophisticated investors focus on sequencing, not shortcuts.

Your Takeaway

Based on your exploration of this guide

Borrowed money is generally not taxed because it is repayable

Borrowing against equity can provide liquidity without selling

Selling is usually the moment tax arrives

Outcomes depend on cash flow, holding period, and exit planning

"Wealth is not built by avoiding tax. It is built by understanding how assets, timing, and structure interact."

Frequently Asked Questions

Is borrowed money taxable income in Australia?

No, borrowed money is not considered taxable income in Australia. The Australian Taxation Office (ATO) does not treat loan proceeds as assessable income because borrowed funds represent a liability that must be repaid. Unlike salary or investment returns, a loan does not increase your net worth - it simply provides access to funds that you owe back to the lender.

Why do investors borrow against property equity instead of selling?

Borrowing against property equity allows investors to access capital without triggering a capital gains tax (CGT) event. When you sell an investment property, you may owe CGT on any profit. By borrowing instead, you can access funds while keeping the property and deferring the tax liability. This strategy is often used by investors who want liquidity but believe their property will continue to appreciate.

When does capital gains tax apply to property investors?

Capital gains tax applies when you dispose of (sell, gift, or transfer) an investment property for more than you paid for it. The CGT event occurs at the point of sale, not when value increases. If you hold the property for more than 12 months, you may be eligible for a 50% CGT discount as an individual. Borrowing against property does not trigger CGT because no disposal has occurred.

Is interest on investment loans tax-deductible in Australia?

Interest on loans used for income-producing purposes is generally tax-deductible in Australia. For property investors, this means interest on loans for investment properties that generate rental income can typically be claimed as a deduction. However, the deductibility depends on the purpose of the borrowed funds, not the security used for the loan. Always consult a qualified tax professional for advice specific to your situation.

What are the risks of borrowing against property equity?

The main risks include: increased debt servicing requirements that strain cash flow; exposure to interest rate rises that increase repayment amounts; potential for negative equity if property values decline; and the possibility of forced sale if you cannot meet loan obligations. This strategy works best for investors with stable income, long-term holding intentions, and disciplined borrowing habits.

Does borrowing eliminate capital gains tax on property?

No, borrowing does not eliminate capital gains tax - it defers it. The CGT liability remains attached to the property and will be calculated when you eventually sell. What borrowing does is allow you to access value without triggering the tax event. The ultimate tax outcome depends on your circumstances at the time of sale, including your income, how long you held the property, and any applicable concessions.

Key Takeaways: Borrowed Money and Tax in Australia

What You Should Know

  • Loan proceeds are not taxed because they must be repaid
  • Borrowing against equity provides liquidity without selling
  • CGT is triggered by sale, not by value increase
  • Investment loan interest may be tax-deductible

Important Considerations

  • Tax is deferred, not eliminated - it applies when you sell
  • Interest payments are an ongoing cash flow obligation
  • Higher leverage increases risk in market downturns
  • Seek professional advice for your specific situation

Borrowed Money and Tax: How Australian Property Investors Use Debt Strategically

One of the foundational principles of wealth creation through property is that borrowed money โ€” unlike income โ€” is not taxable when received. This asymmetry between how debt and income are treated by the ATO creates powerful opportunities for Australian investors who understand how to structure their affairs correctly.

Why Borrowed Money Is Not Taxed in Australia

When you borrow $500,000 to purchase an investment property, the ATO does not treat the borrowed funds as income. You are obligated to repay the principal, so there is no net enrichment โ€” and therefore no tax liability at the point of borrowing. This is the essential structure that makes property investment using borrowed funds so compelling from a tax perspective.

In contrast, every dollar of rental income you receive is assessable income. The tax efficiency of property investment therefore lies in maximising the deductions that offset this rental income โ€” of which interest on borrowed funds is typically the largest single item.

The interest deductibility of investment loans is the mechanism that makes negative gearing work. When interest costs exceed rental income, the resulting loss is deductible against other income โ€” including salary โ€” reducing total tax payable. This is a legitimate and widely used strategy across the Australian property market.

Using Equity โ€” Borrowed Against Your Home โ€” to Invest

Many property investors access equity in their principal place of residence to fund investment property deposits. The borrowed funds are not taxed when drawn, and โ€” crucially โ€” the interest on funds borrowed for investment purposes is deductible, even if the borrowing is secured against the family home.

This structure requires careful record-keeping. The purpose of the borrowed funds โ€” not the security โ€” determines deductibility. If you redraw $150,000 from your home loan and use it entirely as a deposit on an investment property, the interest attributable to that $150,000 is deductible. Mixing personal and investment use of redrawn funds creates a mixed-purpose loan that is significantly more complex to manage.

Your accountant and mortgage broker should work together when structuring investment loans to ensure the interest deductibility is preserved from day one. Cross-collateralising investment and personal loans with the same lender can create complications that are difficult to unwind later.

Depreciation: The Other Non-Cash Deduction

Alongside interest deductibility, tax depreciation is the most powerful non-cash deduction available to Australian property investors. Like the borrowed principal, depreciation does not require you to spend additional money in the year of the claim โ€” it is an allowance for the reduction in value of the building and its fixtures over time.

Division 43 capital works deductions run at 2.5% per annum on the original construction cost for up to 40 years. Division 40 plant and equipment deductions follow each asset's ATO-prescribed effective life โ€” typically 10โ€“15 years for most residential fixtures. Together, these deductions can generate $8,000โ€“$20,000 in annual deductions for a newly constructed investment property.

To claim these deductions, the ATO requires a depreciation schedule prepared by a qualified quantity surveyor. Koste Chartered Quantity Surveyors are AIQS-certified and prepare ATO-compliant schedules for residential and commercial investment properties across Australia. Order a schedule at koste.ai or call 1300 669 400.

Capital Gains and the CGT Discount: Deferring the Tax Event

When you eventually sell an investment property, the capital gain is assessed โ€” but the ATO provides a 50% discount on gains for assets held more than 12 months. This means an investor who purchased a property for $500,000 and sells for $900,000 after 10 years pays tax on only $200,000 of the $400,000 gain. A CGT cost base evidence report from Koste can further reduce the assessable gain by accurately quantifying the original construction cost and renovation expenditure โ€” both of which increase your cost base and reduce the taxable gain.

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