Investing · June 2026 · 7 min read
Buying your first investment property feels overwhelming. Here's a plain English guide to how investment loans work and what most buyers get wrong.
Buying your first investment property is one of the biggest financial moves most Australians will ever make. It's also one of the most misunderstood.
Most first time investors focus on the property itself and treat the loan as an afterthought. In reality, the loan structure often has a bigger impact on long term returns than the property you choose.
Here's a simple, practical guide to how investment property loans work in Australia, and how to set yours up properly from the start. You can sense check your numbers with our borrowing power calculator.
Investment loans share many features with owner occupied loans, but lenders treat them differently in a few important ways.
Key differences usually include:
None of these are deal breakers, but they do mean investment loans require a more strategic approach than your first home loan.
One of the first decisions investors face is whether to pay interest only or principal and interest.
Interest only loans can suit investors who:
Principal and interest loans can suit investors who:
There's no universal answer. The right choice depends on your overall position, not just the property in isolation.
Many investors don't realise they can use equity in their existing home as the deposit on an investment property.
This usually works by setting up a separate loan split against your home, which becomes the deposit and purchase costs for the investment. Keeping these splits clean is critical for tax purposes, which is why structure matters so much from day one.
Lenders don't usually treat rental income at face value.
Most lenders will:
The way each lender treats rental income can swing your borrowing capacity by tens of thousands, which is why lender selection is so important for investors.
Some of the most common investor mistakes we see include:
These mistakes are often invisible at the time, but they can quietly limit your ability to build a portfolio later.
Your first investment property isn't just about buying a property. It's about setting up a foundation that supports the rest of your investment journey.
If you're thinking about buying your first investment property, get in touch with a Vairo broker. We'll help you structure your lending so your first purchase doesn't accidentally block your next one.
The information in this article is general in nature and does not take into account your personal circumstances. Speak with a qualified mortgage broker before making lending decisions.
