Top tips to compare investment loans in North Adelaide

Comparing investment loans starts with understanding what you're building

Investment loan features and pricing vary significantly between lenders, and the right choice depends on what you're trying to build. A medical professional buying their first rental property in North Adelaide will have different priorities than someone with three properties already leveraging equity for their fourth. Rate is part of the picture, but repayment structure, offset availability, and how a lender treats rental income all affect what you can borrow and what you keep at tax time.

North Adelaide's proximity to the hospital precinct and parklands makes it a popular investment choice for doctors and specialists who understand the area. Whether you're buying an apartment near O'Connell Street or a character home closer to Wellington Square, the loan structure you choose shapes your cashflow, your tax position, and how quickly you can move on the next opportunity.

What repayment type suits your tax position right now

Interest-only repayments maximise your tax deduction because every dollar of the repayment is deductible, and your loan balance stays higher for longer. Principal and interest repayments build equity faster but reduce your deductible interest over time.

Consider a specialist who buys a two-bedroom apartment near the Adelaide Botanic Garden for rental income. They're earning a high marginal tax rate and want to keep the property for at least ten years. An interest-only period lets them claim the full interest expense, preserve cashflow, and redirect surplus income toward other investments or debt reduction elsewhere. At the end of the interest-only term, they can refinance, switch to principal and interest, or sell depending on what the portfolio needs at that point.

Not every lender offers interest-only to every borrower. Some cap it at five years, others allow ten, and a few won't offer it at all on loans above 80 per cent LVR. If your strategy depends on interest-only, you need to confirm the lender supports it before you go too far down the application path. For more on different home loan structures, including principal and interest options, we cover that separately.

Fixed or variable rate, and why splitting often makes sense

Variable rates give you flexibility to make extra repayments and access offset accounts, while fixed rates lock in your repayment and protect you from rate rises during the fixed period. Most investors we work with split their loan between the two.

A 50/50 split between variable and fixed gives you some rate certainty without locking the entire balance. You can use an offset account against the variable portion to reduce interest while keeping funds accessible, and you're not penalised if rates fall or you want to pay down debt early. The fixed portion gives you a known cost for budgeting and tax planning.

Some lenders price their fixed rates lower than variable, others do the opposite. The gap changes every few weeks. What matters more than the current rate is whether the loan structure matches your intentions. If you plan to sell within three years, a five-year fixed rate exposes you to break costs. If you expect your income to jump and want the option to pay down debt quickly, fixing the whole balance removes that flexibility. You can read more about what happens when your fixed term ends if you're weighing up a fixed component.

How lenders assess rental income and why it affects your borrowing capacity

Most lenders apply a discount, or shading factor, to rental income when calculating serviceability, typically between 20 per cent and 30 per cent to account for vacancy and maintenance costs. Some lenders shade less, which can increase what you're able to borrow.

A rental property in North Adelaide leasing for $650 per week generates $33,800 per year. If a lender shades rental income by 20 per cent, they'll assess your income at $27,040. If another lender shades by 30 per cent, they'll assess it at $23,660. That $3,380 difference flows through the serviceability calculation and can be the difference between approval and decline, especially when you're refinancing or buying your next property.

Shading isn't always published. You find out by asking or by running the scenario through a broker who knows each lender's policy. This is one reason why borrowing capacity for investment loans varies more than it does for owner-occupied lending. The same applicant with the same income and the same property can be approved by one lender and declined by another, purely based on how rental income is treated.

Loan features that matter when you're building a portfolio

Offset accounts, portability, and the ability to release equity without refinancing all become important once you move beyond your first investment property. An offset account attached to your variable rate investment loan reduces the interest you pay without reducing the deductible loan balance, which keeps your tax deduction intact.

Portability lets you transfer the loan to a different security without reapplying, which is useful if you sell one property and buy another in quick succession. Some lenders allow you to increase your loan amount or split off part of the balance to fund another purchase without a full application, provided you meet their equity and serviceability requirements. Others require a new application every time.

If your goal is to build a portfolio of three or four properties over the next decade, the structure you set up now affects how much friction you face later. A loan that looks cheaper today but doesn't offer offset, portability, or equity release might cost you more in opportunity and refinancing fees down the line. We regularly see investors who saved 0.10 per cent on rate but gave up features that would have saved them months and thousands of dollars when they wanted to move quickly on their next purchase. For more on investment loan options and structures that suit portfolio growth, we cover that in detail elsewhere.

What North Adelaide investors should know about LVR and LMI

Lenders mortgage insurance is required on most investment loans above 80 per cent LVR, and the premium increases as the LVR rises. LMI protects the lender, not the borrower, but it can be a useful cost if it lets you enter the market sooner or preserve cash for other purposes.

A borrower purchasing an investment property may choose to borrow at 90 per cent LVR and pay LMI rather than wait another two years to save a larger deposit. The LMI premium is a one-off cost, often capitalised into the loan, and the interest on that capitalised premium is tax deductible because it's part of the borrowing used to acquire the investment property. Whether that makes sense depends on what the property is likely to do in the meantime and what else you could use that deposit for.

Some lenders cap investment lending at 90 per cent LVR, others at 95 per cent. A handful won't lend above 80 per cent on investment property at all. Your deposit size determines which lenders you can access, which in turn affects the rate and features available to you. If you're planning to use equity from your home to fund the deposit, your borrowing capacity is affected by the serviceability assessment on both loans combined. More detail on how much you can borrow is covered separately.

What changed with negative gearing and CGT, and what it means for timing

Losses from investment properties held at 12 May 2026 continue to be fully deductible against other income until the property is sold. Properties acquired after that date can only offset losses against other residential property income from the 2027-28 income year, unless they're eligible new builds.

For an investor buying an established property in North Adelaide now, the loss from negative gearing can only be used to reduce tax on other rental income or capital gains from residential property. If you don't have other residential property income, those losses carry forward until you do. This doesn't make investment property unviable, but it does change the cashflow.

From 1 July 2027, capital gains are taxed differently. The 50 per cent discount is replaced by cost base indexation and a 30 per cent minimum tax rate on real gains. For properties held before 1 July 2027 and sold after that date, gains are split between the old rules and the new rules. If your intention is to hold long-term, the indexed cost base may reduce your taxable gain compared to the old discount method, depending on inflation.

This isn't tax advice, and every investor's situation is different. But it does mean that comparing investment loans now involves thinking about not just the interest rate and loan structure, but also the timing of your purchase and how the tax treatment affects your return. We work with accountants regularly and can coordinate timing and structure so the loan and the tax planning work together.

Call one of our team or book an appointment at a time that works for you

Comparing investment loans across 30-plus lenders takes time, and the differences aren't always obvious from a rate sheet. We work with investors and medical professionals in North Adelaide who want the structure right from the start, not just the lowest rate on the day. Call us or book an appointment and we'll walk through your scenario, your goals, and which lenders and loan features suit what you're building.

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