Top Strategies to Refinance and Access Equity for Investment

If you own property in Diamond Creek and have been paying down your mortgage for several years, you likely have usable equity sitting in that property that could fund your next investment.

Refinancing to access equity means increasing your existing loan amount to release some of the value you have built up in your home, then using those funds as a deposit or contribution toward an investment property. The process involves a new property valuation, a fresh loan application, and a new loan structure that reflects the higher amount you are borrowing. For many property owners in Diamond Creek, where values have risen steadily over the past decade, this approach offers a way to enter the investment market without needing to save a separate deposit from scratch.

How Usable Equity Is Calculated

Usable equity is not the same as the total equity you have in your property. Lenders typically allow you to borrow up to 80% of your property value without needing to pay lenders mortgage insurance, which means your usable equity is generally capped at that 80% threshold minus what you currently owe.

Consider a property owner in Diamond Creek whose home has been independently valued and who currently owes $350,000 on their mortgage. If the lender will lend up to 80% of that valuation, the maximum loan amount becomes $480,000. Subtract the existing loan balance of $350,000, and the usable equity available to release is $130,000. That amount could be used as a deposit for an investment property, with enough left over to cover stamp duty and other upfront costs.

The calculation depends on the current valuation, which is why lenders order a new property appraisal during the refinancing process. If your property has increased in value since you purchased it, your usable equity grows accordingly.

Why Diamond Creek Property Owners Are Well Positioned

Diamond Creek sits within the Nillumbik Shire and has attracted long-term owner-occupiers who value the combination of bush surrounds, train access to the city, and proximity to schools and local shops along Main Hurstbridge Road. Many homes in the area were purchased more than a decade ago, and consistent value growth over that period has created equity that can now be put to work.

Properties in established pockets near the Diamond Creek Trail or within walking distance of the station have seen particularly strong demand. If you purchased before the last major growth cycle and have been making regular repayments, it is worth reviewing what equity is now available. A loan health check will clarify your current position and whether refinancing to access that equity makes sense for your circumstances.

Setting Up the Loan Structure for Investment

When refinancing to access equity for investment purposes, the loan structure matters as much as the amount you release. Most brokers recommend splitting your loan so that the portion used for investment is kept separate from the portion used for your owner-occupied home. This separation makes tax time far simpler, as only the interest paid on the investment portion of the loan is tax-deductible.

In a scenario like this, a client might refinance their existing $350,000 home loan and draw an additional $130,000 in equity. Rather than combining everything into one loan account, they would set up two splits: one for $350,000 tied to the owner-occupied property, and one for $130,000 tied to the investment property deposit. The interest on the $130,000 can then be claimed as a deduction against the rental income from the investment property, while the interest on the $350,000 remains non-deductible personal debt.

This structure also allows for different interest rate types across each split. You might choose a variable rate on the investment portion to take advantage of offset account features, and a fixed rate on the owner-occupied portion for repayment certainty. Setting this up correctly from the start avoids costly restructuring later and ensures you are not missing out on legitimate tax deductions.

What Lenders Assess During the Application

When you apply to refinance and access equity, the lender reassesses your borrowing capacity as if you were taking out a new loan. They will look at your income, existing debts, living expenses, and credit history, and they will factor in the rental income you expect to receive from the investment property you plan to purchase.

Lenders typically assess rental income at around 80% of the expected rent to account for vacancy periods and maintenance costs. If you are planning to purchase an investment property that will rent for $450 per week, the lender will usually calculate serviceability using $360 per week. Your income needs to support the higher loan amount after that rental income is included, and the lender will also apply a buffer to the interest rate when calculating whether you can service the loan.

If your current loan is with a lender who no longer offers the most suitable product for your situation, refinancing also gives you the opportunity to move to a lender with features that align with your investment strategy. That might include offset accounts, redraw facilities, or the ability to make additional repayments without penalty. A broker can compare loan products across multiple lenders to find the structure that fits both your current home loan and your new investment loan needs.

Costs Involved in Refinancing to Access Equity

Refinancing is not without cost, and it is important to weigh those costs against the benefit of accessing equity. Most lenders will charge a discharge fee on your existing loan, typically between $300 and $500. The new lender may charge an application fee or valuation fee, though many brokers can negotiate for these to be waived. You will also need to pay for a property valuation, which usually costs between $200 and $400 depending on the property type and location.

If you are still within a fixed rate period on your current loan, you may also face break costs. These can be significant if rates have fallen since you fixed your loan, so it is worth calculating whether the benefit of accessing equity now outweighs the cost of exiting your fixed term early. If your fixed rate period is ending soon, it may make sense to wait until that period concludes before refinancing.

Legal fees for settling the new loan and registering the mortgage also apply, typically between $800 and $1,500. If you are borrowing above 80% of your property value, you will also need to pay lenders mortgage insurance, which can add thousands of dollars to your upfront costs. Keeping your borrowing at or below 80% avoids this cost and keeps your refinance more affordable.

Using Equity Without Overextending

Accessing equity to invest in property is a sound strategy when your income can support the higher loan amount and when the investment property will generate rental income that offsets the increased repayments. It becomes problematic when property owners release all available equity without leaving a buffer for rate rises, vacancy periods, or unexpected maintenance.

A common approach is to release enough equity to cover the deposit and costs for the investment property, but not so much that your loan-to-value ratio sits at the maximum 80%. Leaving some equity untouched gives you flexibility if rates rise or if you need to access additional funds later. It also means that if property values dip temporarily, you are not at risk of falling into negative equity.

Before committing to a refinance, run the numbers on your new repayments under a higher interest rate scenario. If rates increase by 1% or 2%, can you still comfortably meet your repayments on both properties? If rental income drops due to a vacancy, can you cover the investment property costs from your own income for a few months? These are the questions a broker will work through with you to make sure the refinance is sustainable over the long term.

Call one of our team or book an appointment at a time that works for you. We will review your current loan, assess your usable equity, and structure a refinance that supports your investment goals without putting your owner-occupied property at risk.

Frequently Asked Questions