Investment Property Loans: A Complete Guide

Buying an investment property is one of the most popular wealth-building strategies in Australia. But investment loans work differently to owner-occupied home loans — from the deposit requirements to the interest rates and tax implications. Here's a complete guide to help you understand how investment property loans work and what you need to get approved.

How Investment Loans Differ from Home Loans

While the basic mechanics are similar, there are some important differences between a loan for a home you'll live in and one for an investment property.

• Higher interest rates — Investment loans typically attract rates 0.2% to 0.5% higher than owner-occupied loans.
• Larger deposit required — Most lenders require a minimum 10% deposit for investment properties, with 20% being the standard to avoid LMI.
• Stricter servicing — Lenders assess your ability to repay more conservatively, factoring in existing debts, potential rental voids, and interest rate buffers.
• Different tax treatment — Investment loan interest is tax deductible, which affects the overall cost calculation.

Deposit Requirements

For investment properties, the deposit expectations are higher than for first home buyers purchasing their own home.

What You'll Typically Need

• 10% deposit — Some lenders will go this low, but you'll pay LMI, which is more expensive for investment loans than owner-occupied.
• 20% deposit — The sweet spot. No LMI, better rates, and broader lender options.
• Using equity — If you already own a property, you may be able to use the equity in that property as your deposit for the investment purchase. This is one of the most common strategies for building a property portfolio.

Example: If your home is worth $700,000 and you owe $400,000, you have $300,000 in equity. Most lenders will let you access up to 80% of your property's value minus your existing debt — in this case, up to $160,000 — which could serve as a deposit for an investment property.

Interest-Only vs Principal & Interest

One of the key decisions with an investment loan is whether to choose interest-only or principal and interest repayments.

Interest-Only (IO)

With interest-only repayments, you only pay the interest on the loan for a set period (usually 1 to 5 years). This means lower monthly repayments, which can improve your cash flow. Many investors choose IO because it maximises the tax-deductible portion of their repayments and keeps more cash available for other investments or expenses.

Principal & Interest (P&I)

With P&I repayments, you pay down both the interest and the loan balance. Your repayments are higher, but you're reducing the debt over time. Most IO periods revert to P&I after the initial term, so it's important to plan for the higher repayments.

Which is better? It depends on your strategy and financial position. An investor focused on cash flow might prefer IO, while someone building long-term equity might choose P&I from the start. Your broker and accountant can help you decide.

Tax Benefits of Investment Property

One of the key advantages of investment property is the tax benefits available to investors. Understanding these can significantly impact the true cost of holding an investment property.

Negative Gearing

If your investment property costs more to hold than the rental income it generates (including loan interest, rates, insurance, maintenance, and management fees), the loss can be offset against your other taxable income. This is known as negative gearing. For higher income earners, this can result in meaningful tax savings.

Depreciation

You can claim depreciation on the building itself (for properties built after 1987) and on fixtures and fittings like carpets, appliances, and blinds. A quantity surveyor can prepare a depreciation schedule that identifies all claimable items — this often adds thousands of dollars in tax deductions per year.

Deductible Expenses

Common expenses that are tax deductible on an investment property include:

• Loan interest
• Property management fees
• Council and water rates
• Insurance premiums
• Repairs and maintenance
• Advertising for tenants
• Travel to inspect the property (in some cases)

Rental Yield Considerations

Rental yield is the annual rental income as a percentage of the property's value. It's a key metric for assessing how well an investment property will perform financially.

Gross vs Net Yield

• Gross yield = (Annual rent / Property value) x 100. For example, a $500,000 property renting for $500 per week ($26,000/year) has a gross yield of 5.2%.
• Net yield factors in expenses like rates, insurance, maintenance, and management fees — giving you a more realistic picture of your return.

In Melbourne's western suburbs, gross yields typically range from 3.5% to 5.5%, depending on the property type and location. Apartments tend to offer higher yields but lower capital growth, while houses often deliver stronger long-term value growth.

Getting Approved

To improve your chances of approval for an investment loan, keep these points in mind:

1. Get your finances in order — Reduce unnecessary debt, especially credit cards and buy-now-pay-later accounts.
2. Have a genuine savings history — Lenders want to see consistent saving behaviour, not just a lump sum that appeared recently.
3. Understand your borrowing capacity — A broker can calculate this for you, factoring in your existing commitments and the expected rental income.
4. Choose the right structure — Buying in your personal name versus a trust or company has different implications for tax, asset protection, and lending. Get advice before you commit.
5. Have a plan for vacancies — Lenders will stress-test your ability to make repayments even if the property is vacant for a period.

Next Steps

Whether you're buying your first investment property or adding to an existing portfolio, having the right loan structure makes a significant difference to your returns. A mortgage broker can compare investment products across multiple lenders, help you access equity in your existing property, and ensure your loan is structured to support your investment goals.