Interest Only Loans for Investors in Brisbane Southside, The 2026 Guide
Property investors in Brisbane Southside have long used interest only loans to improve cash flow, maximise tax deductions and keep serviceability free for the next purchase. The strategy works well when the loan is structured correctly and placed with the right lender, and that second part is where most investors leave money on the table.
Whether you're targeting established properties in Mount Gravatt- Wishart or exploring the Cross River Rail corridor through Moorooka across Brisbane Southside, lender choice can shift your cash flow outcome by hundreds of dollars per month.
Brisbane Southside mortgage broker Evergreen Loan Solutions helps property investors compare interest only options across a panel of 50+ lenders, completely free of charge.
Here's what's worth knowing about interest only loans for investors in Brisbane Southside before approaching a lender.
Key takeaways
- Interest only repayments can be 30-40% lower than principal and interest on the same loan.
- APRA's 30% cap means lender appetite for interest only loans varies month to month.
- Interest only periods range from 1 year to 10 years depending on the lender and your profile.
Why do investors choose interest only loans in Brisbane Southside?
Interest only loans deliver three core advantages for property investors: improved cash flow, higher borrowing capacity, and maximised tax deductions. During the interest only period, your repayments can be 30-40% lower than principal and interest loans on the same property.
In practice, this means an $800,000 investment loan on interest only terms carries significantly lower monthly repayments than the same loan on principal and interest over 30 years. That monthly difference improves your property's cash flow position and frees up capital for additional investments or personal expenses.
30-40% lower
Typical repayment reduction on interest only versus principal and interest for the same investment loan.
How does an interest only loan work?
An interest only loan lets you pay just the interest portion of your home loan for an agreed period, typically 1-5 years. Your loan balance does not reduce during this time, but your monthly repayments are significantly lower.
When the interest only period ends, the loan automatically converts to principal and interest repayments. You can often negotiate a new interest only period if your circumstances still suit it.
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What tax advantages do interest only loans offer Brisbane Southside investors?
The key tax benefits are:
- › Interest tax deductibility: all interest payments on investment properties are tax-deductible, making lower interest only rates more valuable than they appear.
- › Negative gearing benefits: higher interest costs create larger tax deductions if your property runs at a loss, reducing your overall tax burden.
- › Capital growth focus: interest only loans let you target capital growth without reducing the loan balance, maintaining maximum tax-deductible debt.
- › Portfolio expansion: lower repayments free up serviceability for additional investment purchases while your properties appreciate.
- › Cash flow management: significant monthly savings can be reinvested in property improvements, additional deposits, or offset account strategies.
How does a mortgage broker in Brisbane Southside help investors get interest only approval?
Step 1: Talk to us
Get in touch and we'll assess whether interest only suits your investment strategy and what's available across our 50+ lender panel for your property type and location.
Step 2: We analyse your investment portfolio
We review your current properties, income position, and investment goals to determine which lenders offer the most competitive interest only terms for your situation.
Step 3: We identify the right lender match
Different lenders have varying appetites for interest only loans, with some offering 1-2 years and others extending to 5-10 years. We identify which lenders suit your investment timeframe and cash flow goals.
Step 4: We structure the loan application
Interest only applications require specific income and serviceability positioning. We present your investment case in the strongest possible way for each lender's assessment criteria.
Step 5: We manage the approval process
We coordinate with the lender, handle any queries or additional documentation requests, and keep you informed throughout the assessment process.
Step 6: We arrange settlement and ongoing support
Once approved, we coordinate settlement with your solicitor and remain available for future refinancing or portfolio expansion discussions.
What mistakes do Brisbane Southside investors make with interest only loans?
The biggest mistake is approaching your existing bank without comparing alternatives. Banks often have stricter interest only policies for existing customers, while specialist lenders may offer more competitive terms and longer interest only periods for the same investment property.
Another common error is not planning for the end of the interest only period. When your loan reverts to principal and interest, monthly repayments increase substantially. Investors need either a refinancing strategy or sufficient rental income to cover the higher payments when the interest only period expires.
What do APRA restrictions mean for investors seeking interest only loans?
APRA's 30% cap means banks can only approve interest only loans for 30% of their new lending each month. Once a bank reaches this threshold, they may pause interest only approvals until the next month, regardless of your application strength.
This creates timing considerations for investors, as applications submitted early in the month often face better approval odds than those lodged toward month-end. Some non-bank lenders are not subject to APRA caps and maintain consistent interest only appetite throughout each month.
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Prefer to talk now? Call 0421 152 859 |
Frequently Asked Questions
Can investors get interest only loans for units in Brisbane Southside?
Yes, though some lenders apply stricter criteria for units compared to houses. Units in established suburbs like Sunnybank or Mount Gravatt typically attract stronger lender appetite than high-density new developments.
What happens when an investor's interest only period ends?
The loan automatically converts to principal and interest repayments, which increases your monthly repayments significantly. You can often negotiate a new interest only period if your circumstances and the lender's current policy allow it.
Are interest only rates higher than principal and interest rates for investors?
Yes, interest only rates are typically 0.20-0.60% higher than standard principal and interest rates. However, the lower monthly repayments and tax benefits often outweigh the rate difference for investors with a clear strategy.
How long can an investor keep a loan on interest only terms?
This varies significantly by lender, from 1 year up to 10 years in some cases. Most major banks offer 1-5 years, while some specialist lenders extend longer interest only periods for strong borrower profiles.
Do investors need a larger deposit for interest only loans?
Most lenders require at least 20% deposit for interest only investment loans. Some allow 10% deposit with LMI, though this is less common and typically comes with stricter serviceability requirements.
Should investors use a mortgage broker or go directly to their bank for interest only loans?
A mortgage broker, every time. Interest only policies and appetite vary dramatically between lenders, and your existing bank may not offer the longest terms or most competitive rates for your investment strategy.
Can investors make extra repayments on an interest only loan?
Yes, most interest only loans allow additional repayments to offset or loan accounts. This gives you flexibility to reduce interest costs when you have surplus cash while maintaining the lower minimum repayments when needed.
Your Next Steps
Getting your interest only loan structure right is about more than finding a low rate. The right lender for your portfolio can mean longer interest only periods, more competitive investment rates, and better serviceability assessment for future property purchases, and all of those variables differ significantly across a 50+ lender panel.
The right lender for interest only investing depends on your situation, and that's a conversation worth having. Talk to the Evergreen Loan Solutions team or call 0421 152 859, and we'll compare your options across 50+ lenders at no cost to you.
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External Resources
Evergreen Loan Solutions · Eight Mile Plains and Brisbane Southside · General information only - this article does not constitute financial advice. Please consider your own circumstances and seek professional advice before making any financial decisions. · Last updated 4 July 2026
