Do you know what lenders check for investment loans?

Investment loan approval depends on your ability to service the debt under lender stress testing, typically calculated at a rate 3% above the actual rate you will pay.

Malvern's median house price sits above $2 million, which means investors looking in this area often need substantial deposits and proven income to meet serviceability requirements. The approval process weighs your existing commitments, rental income potential, and borrowing capacity under conditions designed to protect both you and the lender if rates rise or the property sits vacant.

How Lenders Calculate Serviceability for Investment Loans

Lenders assess your capacity to service an investment loan by applying a buffer to current interest rates and reducing rental income by a vacancy factor. Most lenders stress test your application at a rate between 6% and 8%, regardless of whether you are borrowing on a fixed or variable rate. Rental income is typically shaded by 20% to account for periods when the property may be untenanted or require maintenance between leases.

Consider an investor purchasing a two-bedroom apartment near Malvern Central. The property generates $550 per week in rental income, but the lender includes only 80% of that figure when calculating serviceability. That means $440 per week, or roughly $1,900 per month, is treated as usable income against the loan repayments. If the loan amount is $800,000, the lender calculates repayments at the stressed rate rather than the actual rate, which significantly impacts how much you can borrow.

In our experience, investors underestimate the effect of existing debts on borrowing capacity. Credit card limits, personal loans, and even buy-now-pay-later accounts all reduce how much a lender will approve, even if those accounts carry no balance. Paying down or closing unused credit facilities before applying can materially improve your loan amount.

The Deposit and Equity Requirements Investors Need

Most lenders require a minimum deposit of 20% for investment property loans, though some allow lower deposits with Lenders Mortgage Insurance. Borrowing above 80% loan to value ratio adds LMI to your upfront costs, which on an $800,000 loan can exceed $20,000 depending on your deposit size.

If you already own property, you may be able to leverage equity rather than contributing cash. Equity release works by refinancing your existing home loan and accessing the increased value in that property to fund your deposit. In Malvern, where many owner-occupiers hold significant equity in established homes, this approach is common when building a portfolio. However, lenders still assess the combined debt across both properties when calculating serviceability, so releasing equity does not bypass the income test.

What Documentation Lenders Require for Investment Loan Applications

Investment loan applications require proof of income, assets, liabilities, and the rental potential of the property you intend to purchase. If you are a PAYG employee, lenders typically request recent payslips, tax returns, and a letter of employment. Self-employed applicants generally need two years of tax returns, business financials, and evidence of consistent income.

The property itself must be valued by the lender's panel, and they will assess the rental income based on a formal rental appraisal or comparable properties in the area. In Malvern, where period homes and modern townhouses command different rental yields, the lender's assessment can vary significantly depending on property type. A Victorian-era home on a large block may appeal to families but deliver a lower rental yield than a two-bedroom apartment closer to Glenferrie Road, which affects serviceability.

You will also need to disclose all existing debts and ongoing expenses. Lenders request recent bank statements to verify spending patterns, and they may reduce your borrowing capacity if regular discretionary spending appears high. Body corporate fees, landlord insurance, and property management costs should all be factored into your budget, as these affect the net rental income available to service the loan.

How Loan Structure Affects Approval and Cash Flow

Choosing between interest only and principal and interest repayments changes both your serviceability calculation and your ongoing cash flow. Interest only repayments are lower, which can improve your ability to hold the property during periods of vacancy or allow you to acquire additional properties sooner. However, lenders assess interest only loans more conservatively, and some apply stricter serviceability criteria or lower loan to value ratios.

As an example, an investor borrowing $900,000 on a Malvern East property might structure the loan as interest only for five years to minimise monthly outgoings while building equity elsewhere. During that period, the repayments at current variable rates would be substantially lower than a principal and interest loan, freeing up cash flow to manage holding costs or fund further acquisitions. When the interest only period ends, the loan reverts to principal and interest, and repayments increase, so planning for that transition is part of the approval conversation.

Many investors also split their loan between variable and fixed portions to manage rate risk. A split structure does not directly affect approval, but it gives you flexibility to make extra repayments on the variable portion while locking in certainty on the fixed component. Lenders assess the loan at the higher of the two rates during serviceability testing, so there is no advantage in approval terms, but the structure can support your broader property investment strategy once the loan settles.

Why Negative Gearing Matters During the Approval Process

Negative gearing occurs when your rental income falls short of the loan repayments and holding costs, creating a tax-deductible loss. While this provides tax benefits, lenders do not give you credit for those deductions when assessing your application. They focus on your gross income and whether you can afford the shortfall from your own resources.

Malvern properties often produce rental yields below 3%, which means the gap between rental income and loan repayments can be substantial. If your taxable income is high, negative gearing reduces your tax liability and can make the investment viable over time. However, the lender still expects you to demonstrate capacity to cover the gap every month without relying on future capital growth. If your income is marginal, a negatively geared property may not meet serviceability requirements, even if the investment makes sense from a tax perspective.

This is where working with a broker familiar with investment loan options across multiple lenders becomes valuable. Some lenders apply more favourable rental income assessments or allow higher debt-to-income ratios for investors with strong equity positions. Others may decline the same application based on internal policy.

Location-Specific Considerations for Malvern Investors

Malvern sits within the Stonnington council area and is known for its tree-lined streets, heritage homes, and proximity to Caulfield Racecourse and the CBD. The suburb attracts professional tenants and families, which supports stable rental demand. However, the high median price and lower rental yield compared to outer suburbs mean serviceability is often the limiting factor for investors rather than deposit size.

Properties close to Glenferrie Road or within walking distance of Malvern Station tend to achieve higher rental returns than larger homes on quieter streets, and lenders factor location into their valuation and rental assessment. If you are purchasing a dual-occupancy site or a property with renovation potential, the lender assesses the property in its current condition unless you apply for a construction loan to fund improvements. In that case, the approval process incorporates the projected value and rental income post-renovation, which adds complexity but can unlock higher borrowing capacity.

Understanding these location-specific dynamics ensures your application is structured to highlight the strengths of both the property and your financial position. Call one of our team or book an appointment at a time that works for you.

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