Proven tips to refinance investment properties

Why investment property owners refinance

Investment property owners refinance to reduce interest costs, access equity for further purchases, or switch loan features that no longer suit their portfolio. A refinance application for an investment property follows the same serviceability rules as a new purchase, so rental income is assessed and your personal position matters just as much as the property itself.

Consider an investor who purchased a holiday rental in Portsea several years ago on a principal and interest loan at a rate they haven't reviewed since settlement. Rental demand in the area remains strong, the property has appreciated, and they're now considering a second purchase. Refinancing to release equity allows them to extract usable funds without selling, and switching to an interest-only structure improves monthly cashflow while keeping the debt tax-deductible. The outcome depends on how the loan is structured and whether the investor's income can service both properties.

When it makes sense to move your investment loan

Refinancing makes sense when the financial benefit outweighs the cost and effort involved. If your current lender is charging a rate significantly above what's available elsewhere, you're paying thousands more each year in interest. If your loan lacks an offset account and you're holding cash elsewhere, you're missing a daily reduction in interest charges. If you're planning to buy again and need access to equity, staying put delays that move.

In our experience, many Portsea investors hold loans on their investment properties for years without reviewing them, especially if the property is tenanted and performing. But markets shift, lender appetites change, and loan products evolve. A refinance isn't about chasing the lowest advertised rate, it's about aligning your loan structure with what you're trying to do next.

Fixed rate periods ending on investment loans

When a fixed rate period ends, most lenders automatically roll you onto their standard variable rate, which is rarely their most competitive offering. For investment properties, this can mean a significant jump in repayments if you're on interest-only terms or if the fixed rate you were locked into was particularly low.

We regularly see this with coastal investment properties where owners fixed during a low-rate window and haven't revisited the loan since. The property performs, the rent covers most of the costs, and the rate increase goes unnoticed until the annual tax return reveals how much interest was paid. A refinance to a lower rate at that point could reduce ongoing costs and improve the property's contribution to your portfolio.

Accessing equity to expand your portfolio

Many investors in Portsea and surrounding Peninsula suburbs hold significant equity in their properties due to strong capital growth over recent years. Accessing that equity through a refinance lets you fund the deposit and costs for your next purchase without liquidating other assets or waiting to save again.

The mechanics are straightforward. Your lender revalues the property, determines how much you can borrow against the increased value while staying within their loan-to-value ratio limits, and the additional funds are made available either as an increase to your existing loan or as a separate split. Serviceability still applies, so your income, existing debts, and rental income from both properties are all factored into the assessment. Expanding your property portfolio through equity release works when the numbers stack up and your borrowing capacity supports it.

Switching between interest-only and principal and interest

Investment loans are often written as interest-only to maximise tax deductions and preserve cashflow. But interest-only periods don't last forever, and when they expire, the loan reverts to principal and interest unless you apply for an extension or refinance.

If your strategy has shifted or if you want to start paying down the debt, switching to principal and interest through a refinance is one option. Alternatively, if you're approaching the end of an interest-only term and want to extend it, refinancing to a new lender often resets that clock. The decision depends on your tax position, cashflow needs, and whether you're building or winding down your portfolio.

Loan features that matter for investment properties

Offset accounts, redraw facilities, and the ability to split your loan between fixed and variable rates all influence how much control you have over your investment loan. An offset account linked to your investment loan reduces the interest you're charged without affecting the deductibility of the debt, provided it's used correctly. Redraw lets you access extra repayments you've made, though some lenders restrict how often you can withdraw or charge fees for doing so.

Splitting your loan between fixed and variable rates gives you partial protection against rate rises while maintaining flexibility on the variable portion. Many Portsea investors with holiday rentals prefer this approach because it smooths repayment volatility while still allowing lump sum payments or early exit on part of the loan without triggering break costs. If your current loan doesn't offer these features and they'd be useful, refinancing your investment loan to access them is worth exploring.

What lenders assess when refinancing an investment property

Lenders assess your income, existing debts, living expenses, and the rental income the property generates. Rental income is typically shaded by 20% to account for vacancy and maintenance costs, so a property returning $3,000 per month in rent is assessed as contributing $2,400 toward serviceability.

If you're self-employed, lenders usually require two years of tax returns and may assess your income differently depending on the structure of your business. If the investment property is in a regional or holiday area like Portsea, some lenders apply additional scrutiny or adjust their lending criteria based on postcode. A home loan health check before starting the refinance process helps you understand where you stand and whether your current loan is still fit for purpose.

Consolidating debt into your investment loan

Some investors use a refinance to consolidate personal debts like car loans or credit cards into their mortgage. The appeal is lower interest and a single repayment, but the trade-off is that you're converting short-term debt into a 30-year loan, which increases the total interest paid over time.

For investment properties, consolidating debt into the loan can also blur the line between deductible and non-deductible debt, which creates issues at tax time. If you're considering this approach, it's worth structuring the refinance so that investment and personal debt remain in separate splits, preserving the deductibility of the portion tied to the property.

Call one of our team or book an appointment at a time that works for you. We'll review your current investment loan, run the numbers on what's available, and walk you through whether refinancing makes sense for your portfolio and your next move.

Frequently Asked Questions