Home / Grow my wealth / Debt recycling
Grow my wealth
Debt Recycling Strategy for High-Income Earners in Australia
Turning a non-deductible home loan into tax-deductible investment debt, one documented cycle at a time. Simple in principle, and only worth doing with the structure, cash flow and insurance right.
What debt recycling is
Debt recycling is a strategy that converts non-deductible debt, typically an owner-occupied home loan, into tax-deductible investment debt. For high-income professionals on a 39 per cent or higher marginal rate (including the Medicare levy), the difference between non-deductible and deductible interest over a 15 to 20 year mortgage term can be worth hundreds of thousands of dollars, depending on loan size, investment returns and how consistently the strategy is carried out.
The strategy is not new, and it is not complicated in principle. Doing it well takes discipline, cash flow management and advice that accounts for your full financial position, including income protection, super contributions and investment selection.
This page is written for people earning above $150,000 with an owner-occupied mortgage and at least $100,000 of investable capacity, whether as available equity, savings or expected bonus income.
How debt recycling works
Debt recycling repeats three steps. First, you make an extra repayment into your home loan, reducing the non-deductible balance. Second, you redraw or reborrow the same amount from a separate split or facility. Third, you invest the redrawn money in income-producing assets, typically a diversified share portfolio or managed fund. Because the redrawn money is used to invest, the interest on that split is generally tax-deductible under section 8-1 of the Income Tax Assessment Act 1997.
Over time the non-deductible part of the loan shrinks while the deductible investment part grows. The total debt stays broadly the same, but its tax character shifts. Investment income, mainly dividends, is used to make further repayments into the non-deductible split, which funds the next redraw and the next investment.
Example
A surgeon earning $450,000 has a $1.2 million owner-occupied mortgage at 6.2 per cent and $200,000 of available redraw. She redraws $200,000 into a separate investment split and invests in a diversified Australian and global share portfolio yielding about 4 per cent. In year one the portfolio produces about $8,000 of dividends before franking, and the investment split costs about $12,400 in interest. At her 47 per cent marginal rate (45 per cent plus the 2 per cent Medicare levy), that deductible interest saves about $5,828 in tax. The dividends, franking credits and tax saving go into further repayments on the home loan split, funding the next cycle.
Actual outcomes depend on investment returns, interest rates, income stability and disciplined execution. Full conversion is not guaranteed.
Example
Same total debt, different tax character
A $1.2 million owner-occupied loan. Each cycle repays the home loan split and redraws the same amount to invest. Simplified: the total stays at $1.2 million throughout.
Why the interest becomes deductible
Whether interest is deductible depends on what the borrowed money is used for, not on what secures the loan. Borrow to buy income-producing investments and the interest is generally deductible. Borrow to buy your home and it is not.
Debt recycling works because each redraw is a new borrowing with a clear, documented investment purpose. The loan is split into at least two facilities: one for the home loan balance and one or more for investment borrowings. Keeping the splits clean is critical. If investment and private money are mixed in one loan account, the ATO may apportion or deny the deduction. The loan structure needs to support this separation from the start, and your lender or broker needs to understand the strategy before any splits are created.
The higher your marginal rate, the more each dollar of deductible interest is worth. At 47 per cent, deductible interest costs you 53 cents in the dollar after tax. At lower rates the benefit is proportionally smaller, which is why debt recycling is most effective for high-income earners.
The role of dividends and investment income
The portfolio built through debt recycling does two jobs: long-term capital growth and current income. The income, mainly dividends, is what speeds up the cycle. Fully franked Australian dividends are particularly relevant because the franking credits can offset tax on other income, including salary.
Australian large-company shares have historically paid gross dividends of around 3.5 to 5 per cent a year. Those dividends go back into repaying the home loan split, which frees up redraw for the next investment.
Dividends are not guaranteed. Companies cut or suspend them and market conditions change. Relying on a particular yield to fund the cycle is an execution risk that needs modelling before you start.
From 1 July 2027, the 50 per cent CGT discount for individuals and trusts is replaced by cost base indexation and a minimum 30 per cent tax on capital gains. Any decision to sell part of the portfolio after that date needs modelling under the new rules.
What can go wrong
Investment risk
The portfolio can fall in value. If markets fall 20 or 30 per cent in a year, you still service the full investment loan while holding a smaller asset base. Debt recycling is leverage: it magnifies gains in rising markets and losses in falling ones. You need the cash flow to keep servicing the debt while the portfolio is below what you paid.
Interest rate risk
If variable rates rise, the cost of both splits rises. A move from 6.2 to 8.0 per cent on a $1.2 million total loan adds about $21,600 a year of interest. The deductible split gives some tax relief; the home loan split gives none. Stress-test your position at rates 2 to 3 percentage points above today’s before you start.
Cash flow and income risk
The strategy needs steady surplus cash flow to make the extra repayments. If income falls through job loss, illness, lower billings or a change in employment, the strategy can stall or become hard to service. That is why income protection matters, covered below.
Execution and compliance risk
Badly structured splits, mixing private and investment money in one account, not documenting the purpose of each redraw, or investing in assets that do not produce assessable income can all lead the ATO to deny the interest deduction. The administration is not onerous, but it is not optional. One structuring mistake can put years of deductions at risk.
Who debt recycling suits, and who it does not
It may suit you if
- You earn above $150,000 a year, so each dollar of deductible interest saves 39 cents or more in tax
- You have an owner-occupied mortgage with available redraw or offset capacity of at least $100,000
- Your income is stable and predictable, from employment, partnership drawings or practice income
- You have an investment horizon of at least 10 years and can tolerate short-term falls
- You already have, or will put in place, appropriate income protection and life insurance
- You are disciplined with cash flow and willing to follow a structured process for many years
It is unlikely to suit you if
- Your income is irregular or depends on a single contract or client
- You have limited equity in your home or are already stretched on repayments
- You would be uncomfortable seeing the portfolio fall 20 per cent or more in a year
- You have credit card, personal loan or other high-interest debt that should be cleared first
- You are within five years of retirement and do not have time to ride out a full market cycle
Model it before you redraw a dollar.
We model debt recycling against your income, mortgage, cash flow and insurance, and confirm whether it suits you before anything changes.
Income protection comes first
Debt recycling increases what you have to service. If illness or injury stops your income, you still need to meet both the home loan and the investment loan. Income protection is what replaces your income in that situation.
Before you start, review your income protection benefit, waiting period and benefit period against your total debt servicing and living costs. Policies issued today generally replace up to 70 per cent of pre-claim income, with up to 90 per cent for the first six months on some contracts. Cover held inside super can only pay while you meet the temporary incapacity condition of release, and default cover in super often has a two-year benefit period. Older policies may pay more on different terms, which is a reason to review them carefully rather than replace them.
The disability definition matters too. For professionals, the gap between a policy that pays when you cannot do your own job and one that pays only when you cannot do any job can decide whether a claim is paid. See our risk insurance strategy.
If you hold no income protection, or the cover is inadequate, fix that before the first dollar is redrawn to invest.
The Five-Point Debt Recycling Readiness Diagnostic
Before any debt recycling arrangement is put in place, we work through five areas to confirm the strategy is appropriate and the structure is sound.
Loan structure review
Can the current home loan support clean investment splits with their own redraw? Does the lender allow multiple splits without cross-collateralisation problems? Is the loan variable, or does a fixed rate need to expire first?
Cash flow stress test
Can the household comfortably service total debt at current rates plus 2 to 3 percentage points? Is there enough surplus after the mortgage, living costs, super contributions and insurance premiums to fund the cycle consistently?
Insurance adequacy check
Is income protection in place at a benefit level and definition that covers total debt servicing in a claim? Are life and TPD cover enough for the larger leveraged position?
Investment strategy alignment
Is the proposed portfolio appropriate for a leveraged strategy? Does it balance income with growth, and is it diversified across sectors and regions?
Tax and compliance confirmation
Has the lender confirmed the split structure in writing? Is there a clear record of the investment purpose of each redraw? Has the tax treatment been confirmed with your tax adviser against your full position?
Common questions
What is debt recycling?
Debt recycling converts non-deductible home loan debt into tax-deductible investment debt. Extra repayments on the home loan are redrawn from a separate investment split and invested in income-producing assets. The total debt stays broadly the same, but its tax character shifts over time.
How does debt recycling work in practice?
You make an extra repayment into the home loan, redraw that amount from a separate investment split, and invest it in income-producing assets. Interest on the investment split is generally deductible. Dividends and other investment income fund further repayments, continuing the cycle.
Is debt recycling legal in Australia?
Yes. Whether interest is deductible depends on the purpose of the borrowing under section 8-1 of the Income Tax Assessment Act 1997. Where borrowed money is used to buy income-producing investments and the loan structure is properly documented, the deduction is generally available.
How much do I need to earn for debt recycling to be worthwhile?
The higher your marginal rate, the larger the benefit. For 2026-27, income between $135,001 and $190,000 is taxed at 37 per cent (39 per cent with the Medicare levy), and income above $190,000 at 45 per cent (47 per cent with Medicare). From about $150,000, the after-tax benefit of converting home loan debt into deductible debt typically becomes material.
What investments are used for debt recycling?
The investments must produce assessable income to support the interest deduction. Diversified share portfolios, managed funds and exchange-traded funds that pay regular distributions are common. The right selection depends on your risk profile, time horizon and wider portfolio, and needs personal advice.
What are the main risks of debt recycling?
Investment risk (the portfolio can fall while the debt stays), interest rate risk (higher rates raise servicing costs), cash flow risk (an income disruption can stall the strategy) and compliance risk (poor loan structuring can lead the ATO to deny the deduction).
Can I use debt recycling with a fixed-rate mortgage?
Debt recycling needs the ability to make extra repayments and redraw. Most fixed-rate loans limit extra repayments and do not allow redraw during the fixed term, so you would usually wait for the fixed term to end or use a variable split.
How does debt recycling interact with super contributions?
Both compete for the same surplus cash flow. The concessional contributions cap for 2026-27 is $32,500, and the non-concessional cap is $130,000. The right split between recycling and contributions depends on your age, income, marginal rate and retirement timeline.
Do I need a separate bank account for the investment loan?
You need a separate loan split, not necessarily a separate bank account. The investment split must be clearly separate from the home loan split so the purpose of each borrowing can be identified. Mixing private and investment money in one loan account can put the deduction at risk.
How long does it take to convert the whole mortgage?
It depends on the size of the mortgage, the surplus available for extra repayments, investment returns and dividends. For a high-income professional with a $1 million to $1.5 million mortgage and consistent execution, full conversion typically takes 10 to 15 years.
What happens if the share market falls sharply?
The portfolio falls in value while the investment debt stays the same. That is the effect of leverage. You keep servicing the investment loan regardless of the portfolio’s value, so the strategy assumes a long horizon and the ability to hold through full market cycles.
Do I need income protection before starting?
It is strongly recommended. Debt recycling increases total debt servicing. If illness or injury stops your income, you still need to service both loans, so review your cover before you begin.
Can I use my offset account instead of redraw?
No. An offset account reduces the interest charged but not the loan balance. Debt recycling needs actual principal repayments that are then redrawn for investment. Moving money out of an offset account to invest does not create a new borrowing with an investment purpose.
How does debt recycling affect my borrowing capacity?
Lenders assess total debt servicing. Debt recycling does not reduce total debt; it changes its tax character. Investment income may count towards your assessable income, which can partly offset the effect on serviceability.
Should I get advice before starting debt recycling?
Yes. Debt recycling combines leveraged investment, tax structure, insurance and long-term cash flow management. Advice needs to account for your income stability, existing investments, super, insurance and family circumstances.
Advice led by Sangram
Sangram Rana
Principal Financial Adviser. Qualified accountant and registered tax agent.
Strategy and key advice meetings are led by Sangram, with the Build MyWealth team supporting analysis, preparation and implementation.
Sangram Rana is a 2026 Australian Wealth Management Awards finalist for Adviser of the Year, Estate Planning, and an IFA Excellence Awards finalist for Risk Adviser of the Year in 2022, 2023 and 2025. Build MyWealth is a 2026 IFPA Australian Financial Industry Awards finalist for SMSF Practice of the Year.
Does debt recycling suit your position?
Request a consultation and we will model it against your income, mortgage, cash flow and insurance. Your first meeting is a 30-minute online conversation with Sangram Rana. We reply within one business day.
General advice warning: any advice on this site is general in nature only and has not been tailored to your objectives, financial situation or needs. Before acting on this information, consider whether it is appropriate for you and seek personal advice.
Build MyWealth is a trading name of Accounting Cloud Pty Ltd. Accounting Cloud Pty Ltd is a Corporate Authorised Representative (No. 1306106) and Sangram Rana is an Authorised Representative (No. 1251526) of Lifespan Financial Planning Pty Ltd (AFSL 229892). This page contains general information only and does not constitute personal financial advice. Financial Services Guide available at lifespanfp.com.au.
Rates and thresholds should be confirmed on ATO published pages at the time of implementation, as indexation and legislation changes can occur.