Monthly and fortnightly repayments for a $300,000 home loan at current Australian interest rates. A $300,000 mortgage sits at the affordable end of the market, realistic for single-income households in regional areas. This guide covers repayments, required income, stamp duty by state, and deposit requirements.
Repayments calculated using standard amortisation. Rates shown reflect the typical range for Australian variable and fixed home loans in 2026.
| Rate | Monthly (25yr) | Fortnightly (25yr) | Monthly (30yr) | Fortnightly (30yr) |
|---|---|---|---|---|
| 5.5% | $1,842 | $850 | $1,703 | $786 |
| 6.0% | $1,933 | $892 | $1,799 | $830 |
| 6.5% | $2,026 | $934 | $1,896 | $875 |
| 7.0% | $2,120 | $978 | $1,996 | $921 |
| 7.5% | $2,217 | $1,023 | $2,098 | $968 |
Using the 30% of gross income benchmark (the standard mortgage stress threshold), a $300,000 mortgage requires a minimum household income of approximately $75,848 at 6.5% over 30 years. At 7.0%, that rises to $79,836. These figures assume no other significant debts. If you have car payments, HECS-HELP, or credit card debt, you will need a higher income.
Repayment-to-income check: Monthly repayments of $1,896 represent 30% of a $75,848 gross annual income. If your household earns less than this, a $300,000 mortgage may put you into mortgage stress territory. Check with our stress test calculator.
| State | Standard Duty | First Home Buyer |
|---|---|---|
| NSW | $8,745 | $0 |
| VIC | $13,070 | $0 |
| QLD | $8,925 | $0 |
| WA | $8,835 | $0 |
| SA | $11,330 | $11,330 |
| TAS | $9,935 | $9,935 |
| ACT | $2,468 | $0 |
| NT | $13,698 | $13,698 |
Stamp duty varies significantly by state. First home buyers benefit from exemptions and concessions in most states — see our stamp duty calculator for the exact amount in your situation.
| Deposit | LVR | Estimated LMI | Total Upfront Cash |
|---|---|---|---|
| 20% ($60,000) | 80% | None | $60,000 |
| 10% ($30,000) | 90% | $4,050 | $34,050 |
| 5% ($15,000) | 95% | $9,975 | $24,975 |
These figures show the deposit and estimated LMI cost at different LVR levels. A 20% deposit ($60,000) avoids LMI entirely. With the First Home Guarantee, eligible buyers can purchase with just 5% deposit ($15,000) and no LMI. Add stamp duty costs from the table above to get your true total upfront requirement.
A 0.25% rate increase on a $300,000 loan at 6.5% over 30 years adds approximately $50 per month to your repayments. With the RBA cash rate at 4.1% and the next meeting on 5 May 2026, borrowers should budget for potential further increases. At 7.5%, your monthly repayment rises to $2,098.
A $300,000 property budget (including a $60,000 deposit plus stamp duty and costs) is achievable in regional centres like Toowoomba, Ballarat, Launceston, and parts of Adelaide. The exact suburbs depend on your state, property type, and whether you are looking at houses or apartments. Use our state guides for more specific information:
$250,000 mortgage | $350,000 mortgage
Or try our borrowing capacity calculator to find out what loan amount your income supports.