Understanding the Basics of Investment Property Loans

What Makes an Investment Loan Different

An investment loan is structured differently to an owner-occupier home loan because lenders assess the risk differently. They factor in rental income but also assume higher vacancy risk and rate exposure. Most lenders add a buffer to the assessment rate and may price investment loans slightly higher than owner-occupied rates.

In Nedlands, where established homes near Broadway and Stirling Highway often come with solid rental demand from university staff and medical professionals, lenders will typically accept rental income as part of your servicing. But they don't count all of it. Expect them to apply a haircut of around 20% to account for vacancy periods, maintenance costs, and collection risk.

Consider a medical specialist looking at a three-bedroom villa near Hollywood Private Hospital. The property rents for $850 per week. The lender will use roughly $680 per week in their servicing calculation, not the full amount. That affects how much you can borrow, particularly if you already have a mortgage on your own home.

Deposit and LMI for Investment Properties

Most lenders want at least a 10% deposit for an investment property, though some will lend at 90% loan to value ratio with Lenders Mortgage Insurance. A few lenders will go to 95% LVR if you're a professional with stable income, but those products are less common and come with higher premiums.

If you're using equity from your Nedlands home to fund the deposit, the combined LVR across both properties matters. Say your home is worth $1.4 million with a $600,000 mortgage, giving you $560,000 in usable equity at 80% LVR. You could use that equity as a deposit on an investment property without needing to save additional cash, though you'll still need to cover stamp duty and other settlement costs separately.

LMI becomes unavoidable if you borrow above 80% LVR. On a $700,000 investment property with a 10% deposit, LMI might add $15,000 to $20,000 to your upfront costs. That's capitalised into the loan in most cases, but it does increase your total loan amount and affects cash flow from day one.

Interest Only or Principal and Interest

Interest only repayments are common on investment loans because they reduce your monthly outgoings and improve cash flow, particularly if the property is negatively geared. You're only paying the interest portion for a set period, usually five years, then the loan reverts to principal and interest unless you request an extension.

The appeal is straightforward. On a $630,000 loan at current variable rates, interest only repayments might sit around $3,150 per month compared to $3,700 for principal and interest. That extra $550 a month can be redirected into offset accounts, other investments, or simply absorbed as part of the negative gearing strategy where rental income doesn't cover all holding costs.

But interest only isn't always the right call. If you're planning to hold the property long term and want to build equity steadily, principal and interest keeps your debt reducing. Some investors split the loan, putting part on interest only and part on principal and interest, which balances cash flow with equity growth.

Fixed Rate or Variable Rate

Variable rate investment loans give you flexibility to make extra repayments and access offset accounts, which can be useful if you want to park surplus income and reduce interest. Fixed rates lock in your repayments for one to five years, which helps with budgeting but removes that flexibility.

In our experience, investors with variable income or plans to sell within a few years tend to stick with variable rates. Those who want certainty and plan to hold through rate cycles often fix part of the loan. Splitting the loan between fixed and variable is common. You might fix 50% to lock in a portion of your repayments and leave the rest variable for flexibility.

One thing to watch with fixed rates is break costs. If you sell the property or refinance before the fixed term ends, the lender may charge you an exit fee based on the difference between your fixed rate and the current wholesale rate. That can run into thousands of dollars depending on how much rates have moved.

Tax Deductions and Claimable Expenses

Rental properties generate a range of claimable expenses that reduce your taxable income. Loan interest, property management fees, council rates, insurance, and maintenance costs are all deductible. If the property is negatively geared, meaning your expenses exceed your rental income, that loss offsets other income and reduces your overall tax.

For a Nedlands property rented at $850 per week, annual rental income would be around $44,200. If your loan interest is $31,500, property management fees are $3,500, and other holding costs add another $6,000, you're running at a loss of around $3,200 per year. That loss reduces your taxable income, which can be significant if you're on a higher marginal tax rate.

Stamp duty and loan establishment fees aren't immediately deductible, but depreciation on the building and fixtures can be claimed if the property qualifies. Speak to an accountant about a depreciation schedule, particularly if the property is newer or has been recently renovated.

Borrowing Capacity and Rental Income

Your borrowing capacity for an investment property depends on your income, existing debts, living expenses, and the rental income the property will generate. Lenders assess the rental income at around 80% of market rent, as mentioned earlier, and they'll also factor in any existing home loans or personal debts.

If you're a medical professional in Nedlands earning $250,000 per year with a $500,000 mortgage on your own home, the rental income from the investment property will help boost your capacity but won't fully offset the new loan commitment. Lenders still apply a serviceability buffer of around 3% above the actual interest rate to ensure you can service the debt if rates rise.

Some lenders are more flexible with high-income professionals and will assess rental income more favourably or apply lower buffers. That's where working with a broker who understands investment loan options across multiple lenders makes a tangible difference. Different lenders have different policies, and some will lend considerably more than others based on the same income and circumstances.

Accessing Loan Products Across Multiple Lenders

Not all investment loan products are the same. Some lenders offer rate discounts for larger loans, others have better interest only terms, and a few specialise in lending to medical professionals with more flexible assessment policies. Going direct to your bank might give you one option. A broker gives you access to investment loan options from banks and lenders across Australia.

In a scenario like this, a Nedlands-based radiologist looking to buy a second investment property near the river wanted interest only terms and an offset account on a 90% LVR loan. Their own bank declined the application due to existing debt levels. A non-major lender approved the same loan within a week, using a different servicing model that weighted rental income more heavily and applied a lower buffer. The rate was slightly higher, but the approval made the purchase possible.

That's the value of knowing which lenders suit which scenarios. It's not about finding the lowest advertised rate. It's about finding the lender whose policy fits your situation and whose product gives you the features you actually need.

Call one of our team or book an appointment at a time that works for you. We'll walk through your circumstances, run the numbers, and show you what's available without the guesswork.

Frequently Asked Questions