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A HECS-HELP debt does not show up on your credit file and charges no interest, so plenty of borrowers assume it will not affect their home loan. It does — often more than a car loan of a similar balance — because of the unusual way it is repaid. Understanding how lenders treat it, and whether paying it out before you apply actually helps, can meaningfully change how much you can borrow.
Most debts have a fixed repayment the lender can plug into their calculator. HELP debt works differently: compulsory repayments are a percentage of your income, collected through the tax system once you earn above a repayment threshold. Your employer withholds extra tax from every pay to cover it, which means your take-home pay is lower for as long as the debt exists.
Lenders assess your home loan on what is left of your income after tax and commitments — your net serviceable income. Because HELP repayments come straight out of that, lenders deduct them when they calculate what you can afford. The effect scales with your income: the repayment is set as a percentage of what you earn, and that percentage rises as your income rises. For a professional on a good salary, the annual HELP repayment can be a serious slice of serviceable income, and every dollar of it reduces the loan size lenders will support.
Compulsory repayments only begin once your repayment income passes the threshold set by the government, and the repayment rate steps up through income bands. The thresholds, rates and the way repayments are calculated have all been adjusted in recent years, so always confirm the current settings directly with the ATO rather than relying on figures from an older article or calculator.
Two practical points matter for a loan application. First, the repayment is unavoidable while you earn above the threshold — you cannot pause it the way you might a discretionary expense, which is exactly why lenders treat it as a firm commitment. Second, the debt itself is indexed rather than interest-bearing, so the balance moves with indexation applied each year rather than compounding like a normal loan.
The HELP system went through notable changes announced through 2024 and 2025, including changes to how indexation is calculated, adjustments to repayment thresholds and the repayment structure, and broader debt-relief measures. Around the same period, regulators signalled that lenders could take a more flexible view of HELP debts that are close to being repaid when assessing serviceability, and some lenders updated their credit policies accordingly.
Because these settings have moved several times, treat any specific figure you read online with caution. As at July 2026, the reliable approach is to check your current balance and the applicable thresholds and rates with the ATO via myGov, and to let your broker confirm how each lender on your shortlist treats HELP debt today — policies genuinely differ from one lender to the next.
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There is no universal figure, because the impact depends on your income, the repayment percentage that applies to you, the lender's assessment rate and your other commitments. The mechanics, though, are simple: the lender takes your income, deducts tax, deducts living expenses, deducts existing commitments including your HELP repayment, and works out what loan the remainder can service — typically stress-tested at around three percentage points above the actual rate.
The practical takeaway is that a HELP debt reduces your maximum loan by a multiple of the annual repayment, not just by the debt balance. You can see how repayments and commitments interact with loan size using our borrowing capacity calculator, and our guide to how banks assess serviceability walks through the full calculation.
This is the genuinely hard question, because clearing the debt and keeping your deposit pull in opposite directions.
If you do decide to pay it out, timing matters: the lender will want evidence the debt is cleared, and voluntary repayments can take time to show against your balance. This is worth mapping out before you apply for a home loan, not during the application.
Expect to declare the HELP debt on your application and back it up with evidence. Lenders typically want your current balance — available through myGov linked to the ATO — and payslips showing the extra withholding. If you have recently paid the debt out, keep the confirmation. Under-declaring a HELP debt is a classic application mistake: the withholding is visible on your payslips anyway, and an undisclosed debt discovered by the assessor undermines the rest of your file. Our documents checklist covers the full list of paperwork worth gathering early.
Whether to pay down HELP debt, hold your deposit, or simply pick a lender with friendlier treatment of your situation is a numbers exercise — and the numbers are different for everyone. We can run both scenarios across multiple lenders so you can see the trade-off before committing either way. Get in touch and we will work through it with you.
No. HELP debt is not reported to credit bureaus and does not affect your credit score. But you must still declare it on a home loan application, and lenders will see the repayment withholding on your payslips, so it always counts in the serviceability assessment.
It depends on your income, because repayments are a percentage of income that rises through income bands. The lender deducts your annual repayment from serviceable income, which reduces your maximum loan by a multiple of that repayment. A broker can calculate the exact impact across different lenders for your income.
Only if it does not eat the deposit you need. Clearing the debt lifts borrowing power by removing the compulsory repayment, but shrinking your deposit can push you into LMI or above a lender's LVR limits, which often costs more than the benefit. Run both scenarios before deciding.
No. Most deduct the compulsory repayment from income, but policies differ on the details — including how some lenders treat debts that are close to being fully repaid, where a more flexible view may apply. Lender choice can genuinely change the outcome, which is where broker knowledge of current policies helps.
Through myGov linked to the ATO, which shows your live balance, and on the ATO website for current repayment thresholds and rates. Thresholds and indexation arrangements changed several times in the mid-2020s, so always check the current figures rather than relying on older articles.
This article is general information only and doesn't consider your personal objectives, financial situation or needs — it isn't personal credit advice, and lending criteria, rates, fees and government schemes change. Before acting, speak with a licensed MakeMyLoan broker or credit representative who will assess your circumstances and provide a credit guide before any credit assistance is given.
