Top Tips to Refinance Your Investment Property Loan

Why Refinancing an Investment Property Works Differently

Refinancing an investment property involves different serviceability calculations and documentation compared to an owner-occupied home loan. Lenders assess your rental income against the loan amount, typically allowing only 80% of the rent to offset the mortgage when calculating your borrowing capacity. This means you need stronger financials overall.

Consider an investor in Ellenbrook who owns a rental property generating $450 per week. The lender will count roughly $360 of that income when assessing whether you can service a new loan. If your current rate is sitting above what's available in the market, and your rental income has remained steady, you're likely in a position to refinance to a lower rate without issue. The challenge comes when investors want to access equity at the same time, which requires a full application rather than a rate switch.

Many lenders also apply a higher interest rate buffer when stress-testing investment loans, usually around 3% above the actual rate. That's why getting your application structure right matters more for investment refinancing than it does for owner-occupied properties.

When Releasing Equity Makes Sense for Your Next Purchase

Accessing equity through refinancing lets you use the value built up in one property to fund the deposit on another without selling. This is common for Ellenbrook investors looking to expand their portfolio while keeping their current rental generating income.

Lenders will typically lend up to 80% of your property's value without requiring mortgage insurance on investment loans. If your property has increased in value or you've paid down the loan, that gap between what you owe and 80% of the current valuation becomes available equity. You'll need a formal property valuation as part of the refinance application, and the lender will reassess your income, expenses, and existing debts to confirm you can service the higher loan amount.

In our experience, investors who plan to use released equity for another property deposit should allow at least six to eight weeks for the refinance process. That includes valuation, application, approval, and settlement. Trying to rush it while competing for a property rarely works in your favour.

Fixed Rate Period Ending on Your Investment Loan

When your fixed rate period ends, your loan will revert to the lender's standard variable rate unless you take action. For investment properties, that reversion rate is often higher than what you could secure by refinancing or renegotiating.

As an example, an Ellenbrook investor with a fixed period expiring might revert to a standard variable rate that's 0.5% to 0.8% higher than current offers. On a loan amount of $400,000, that difference could mean an extra $2,000 to $3,200 per year in interest costs. Running a loan health check a few months before your fixed term ends gives you time to compare what's available, either with your current lender or by refinancing elsewhere.

If your property's value has increased and your loan-to-value ratio has improved since you first borrowed, you may also qualify for a lower rate band. Lenders price investment loans in tiers based on how much you're borrowing relative to the property's value, so even a small improvement in that ratio can shift you into more favourable pricing.

Improving Loan Features Without Increasing Costs

Some investors refinance not to chase a lower rate, but to access features their current loan doesn't offer. Offset accounts and flexible repayment options can improve cashflow and reduce the total interest paid over time, even if the rate itself doesn't change significantly.

An offset account linked to your investment loan lets you park surplus cash and reduce the interest calculated daily without locking funds away in the loan itself. For investors managing multiple properties or running a business, that flexibility matters. Redraw facilities offer something similar, but they're less flexible because you need to request access to the funds, and some lenders charge fees or restrict how often you can withdraw.

You'll also want to check whether your current loan allows extra repayments without penalty, especially if you're on a fixed rate. Some investors assume all loans allow this, but fixed investment loans often cap extra repayments or charge break costs if you exceed the limit. Refinancing before the fixed term ends may not be worth it if those break costs outweigh the benefit.

How Lenders Assess Your Refinance Application

Lenders will request rental income evidence, typically in the form of a lease agreement and bank statements showing rent hitting your account. If there's been a gap in tenancy or the rent has dropped since you first borrowed, that affects your serviceability and could limit how much you can refinance.

Your other financial commitments also come under scrutiny. Credit cards, personal loans, and even buy-now-pay-later accounts reduce your borrowing capacity because lenders assume you'll use the full limit, even if you don't. Closing accounts you no longer need before applying can improve your serviceability position without changing your actual financial situation.

For Ellenbrook investors who own properties in growth corridors near the train line or close to the town centre, property valuations tend to reflect local demand. That can work in your favour when refinancing, especially if you purchased several years ago. However, don't assume your property has increased in value without confirming it through a formal valuation. Overestimating equity and then being declined wastes time and can delay your plans.

Switching Between Variable and Fixed Rates

Deciding whether to switch to a variable or fixed interest rate during refinancing depends on your risk tolerance and how you expect rates to move. Variable rates give you flexibility to make extra repayments and take advantage of rate drops, while fixed rates lock in your repayments for a set period, which helps with budgeting.

Investors managing multiple properties sometimes split their loan between fixed and variable. That approach gives you some certainty on repayments while keeping part of the loan flexible for extra repayments or offset benefits. It's not the most common structure, but it works well if you're holding the property long-term and want to balance risk.

If you're considering locking in a rate, pay attention to the fixed term length. Shorter fixed periods, like one or two years, usually come with lower rates but mean you'll need to reassess sooner. Longer terms offer stability but might leave you stuck on a higher rate if the market shifts. There's no perfect answer, it depends on what you're willing to trade off.

Consolidating Debt Into Your Investment Loan

Some investors use refinancing as an opportunity to consolidate higher-interest debt, such as car loans or credit cards, into their mortgage. This can reduce your overall interest burden and simplify repayments, but it extends the repayment term on that debt and increases the total interest paid over time.

Lenders will assess whether consolidating debt improves your financial position overall. If you're carrying high-interest debt that's affecting your ability to service the investment loan, consolidation might improve your serviceability and get you across the line for approval. However, if the debt is manageable and you're close to paying it off, consolidating it into a 30-year mortgage rarely makes financial sense.

You'll also need to confirm whether your lender allows debt consolidation as part of an investment loan refinance. Some lenders restrict this, particularly if the debt is unrelated to the property or investment activity. It's worth checking the policy before structuring your application around consolidation.

Refinancing to Access a Lower Rate

Switching lenders to access a lower interest rate is one of the most common reasons investors refinance. Even a small rate reduction compounds over time, especially on higher loan amounts typical of investment properties.

If you're refinancing purely for a lower rate and not accessing equity, the process is usually quicker. You'll still need to provide income and expense documentation, along with rental evidence, but the valuation requirement may be waived if the loan-to-value ratio is conservative and your lender is comfortable with the property type and location. Not all lenders waive valuations, though, so confirm that upfront if you're trying to minimise costs.

For investors in Ellenbrook, where property types range from newer estates near The Bridges to more established areas closer to Tonkin Highway, the valuation outcome can vary depending on recent sales activity. If your property sits in a pocket with limited comparable sales, the valuer may take a conservative view, which could affect how much you can borrow or whether the refinance is approved at all.

Rowe Finance works with investors throughout Ellenbrook to review investment loans and identify refinancing opportunities that align with your portfolio goals. Whether you're looking to reduce your interest rate, release equity, or restructure your loan features, we'll help you compare options across multiple lenders and manage the application through to settlement. Call one of our team or book an appointment at a time that works for you.

Frequently Asked Questions