Using Home Equity to Buy a Second Property
You can borrow against the equity in your current home to fund the deposit and purchase costs for a second property. Most lenders will allow you to access up to 80% of your current property's value, minus what you still owe, which means your equity becomes the deposit for your next purchase.
Consider a homeowner in Oakleigh whose property has increased in value since purchase. They bought for $850,000 five years ago with a $680,000 loan. The property is now worth $1,100,000, and they owe $620,000. At 80% lending, the bank will lend up to $880,000 against that property. Subtract the existing $620,000 loan, and they have $260,000 in usable equity. That's enough to cover a 20% deposit on a $1,000,000 property plus settlement costs, without touching their savings or selling the original home.
This approach works whether you're buying an investment property to generate rental income or purchasing a home to live in while keeping your current property as an investment. The structure depends on your intentions for both properties and how lenders assess your borrowing capacity across multiple loans.
How Lenders Calculate Usable Equity
Lenders assess usable equity by multiplying your property's current value by their maximum loan-to-value ratio, then subtracting your existing loan balance. Most lenders cap this at 80% without requiring lenders mortgage insurance, though some will lend higher if you're willing to pay the premium.
The calculation itself is mechanical, but the valuation can vary. Lenders use their own valuation process, which may differ from recent sales in your street or online estimates. In established pockets of Oakleigh near Scotch College or around Warrigal Road, where properties are tightly held and sales are infrequent, a conservative valuation can reduce your accessible equity by tens of thousands of dollars. If the valuer assigns $1,050,000 instead of $1,100,000, your usable equity drops from $260,000 to $220,000 at 80% lending.
Your income, existing debts, and living expenses also affect how much you can borrow in total, not just how much equity you can access. Even with $260,000 in equity available, a lender won't approve the second purchase if your income can't service both loans plus any other commitments.
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Structuring the Loan for a Second Property
You have two main options for structuring a second purchase using equity. You can either increase the loan on your existing property and use those funds as a deposit, or you can keep the original loan intact and use your equity position to support a separate loan for the new property.
Increasing your existing loan is often called a top-up or equity release. The lender advances additional funds against your current property, and you use that cash to fund the deposit and costs for the second property. This approach keeps your lending with one property securing both the original loan and the additional borrowing. It can be simpler to arrange, but it also means your original home secures all your debt.
The second option involves cross-collateralisation, where both properties secure the total lending. The lender holds security over both your existing home and the new purchase, and the loans are structured so your equity in the first property supports the deposit shortfall on the second. This keeps the loans separate but linked by security. Some borrowers prefer to avoid this structure because it reduces flexibility if you want to sell or refinance one property later without affecting the other.
We regularly see clients choose to keep loans separate where possible, accepting a slightly higher deposit requirement on the second property to maintain control over each asset independently. The right structure depends on your long-term plans for both properties and how much equity you can access.
Borrowing Capacity with Two Home Loans
Lenders assess your ability to service two loans simultaneously by calculating your net income after tax, subtracting your living expenses and existing commitments, then applying a buffer to the proposed loan repayments. Most lenders assess loans at a rate higher than the actual interest rate, often adding a 3% buffer, to ensure you can still afford repayments if rates rise.
If you're keeping your current Oakleigh home and renting it out while buying a new property to live in, the lender will include a portion of the expected rental income in your serviceability calculation. Most lenders apply a shading factor, typically accepting only 70% to 80% of the rental income, to account for vacancy periods and maintenance costs. If your Oakleigh property could rent for $3,200 per month, the lender might only credit $2,560 in your income assessment.
Your total borrowing capacity across both loans depends on whether one or both properties generate rental income and whether you have other debts such as car loans or personal loans. Paying down smaller debts before applying for the second home loan can increase your borrowing capacity significantly.
Timing and Pre-Approval for a Second Purchase
Getting pre-approval before you start looking gives you certainty about your budget and makes your offer more credible to vendors. Pre-approval involves a full assessment of your income, expenses, equity position, and borrowing capacity, and it typically lasts between three and six months depending on the lender.
The timing of your equity access matters. If you're buying at auction or with a short settlement period, you need to know in advance that your equity is accessible and that your borrowing capacity supports the purchase. Waiting until after you've signed a contract to discover a valuation issue or a serviceability shortfall creates problems that are difficult to resolve within a standard 30 to 60-day settlement.
In our experience, clients who engage a broker early in the process and obtain pre-approval before making offers avoid the situations where contracts are signed based on optimistic assumptions about borrowing capacity or equity availability. The purchase process moves faster and with less uncertainty when the finance structure is confirmed upfront.
Costs Involved in Accessing Equity and Buying Again
Accessing equity and purchasing a second property involves several cost layers. You'll pay for a valuation on your existing property, discharge and establishment fees if you're refinancing or topping up your current loan, and standard purchase costs on the new property including stamp duty, conveyancing, and any building or pest inspections.
Stamp duty is often the largest single cost. In Victoria, stamp duty on a property depends on its purchase price and whether you're eligible for any concessions. If you're buying an investment property or a second home without selling your current property, you won't qualify for first home buyer concessions, so the full rate applies. On a $1,000,000 purchase, stamp duty is approximately $55,000.
Settlement costs also include loan establishment fees, which vary by lender but typically range from $600 to $1,200, and legal fees for conveyancing, which can range from $1,500 to $3,000 depending on the complexity of the transaction. If you're using equity to fund all of these costs, you need to ensure your equity calculation includes them, not just the deposit.
When Lenders Won't Approve a Second Property Purchase
Lenders decline applications for second property purchases when borrowing capacity is insufficient, when the equity position doesn't support the required lending, or when the applicant's employment or income is considered unstable.
Insufficient borrowing capacity is the most common issue. Even if you have $260,000 in usable equity, a lender won't approve a $1,000,000 purchase if your income can't service the combined repayments on both loans. This happens more often when buyers assume rental income will be fully credited in serviceability calculations or when they underestimate how living expenses are assessed by lenders.
Employment stability also matters. If you've recently changed jobs, moved to a new industry, or shifted from permanent employment to contract or self-employment, lenders may require additional evidence of income stability. Some lenders won't assess contractor income until you've been in the role for six months, and self-employed borrowers typically need two years of tax returns.
A lower equity position due to a conservative valuation can also block approval if it pushes your loan-to-value ratio above the lender's threshold or requires lenders mortgage insurance that you're unwilling or unable to pay. Valuation outcomes are not always predictable, particularly in areas where sales are infrequent or property types are varied.
If you're planning to use equity from your Oakleigh property to fund a second purchase, getting your finance reviewed and confirmed before making offers protects you from signing a contract you can't settle. Call one of our team or book an appointment at a time that works for you.
Frequently Asked Questions
How much equity can I use to buy a second property?
Most lenders allow you to borrow up to 80% of your current property's value, minus what you still owe. For example, if your home is worth $1,100,000 and you owe $620,000, you can access up to $260,000 in usable equity without paying lenders mortgage insurance.
Do I need to sell my current home to buy a second property?
No, you can use the equity in your current home as a deposit for a second property without selling. The lender assesses your ability to service both loans, and if you have sufficient income and equity, you can keep both properties.
Will rental income from my current home help me borrow more?
Yes, but lenders typically only accept 70% to 80% of the expected rental income in their serviceability calculations. This shading accounts for vacancy periods and maintenance costs, so the rental income boost is less than the full amount.
What costs are involved in using equity to buy a second home?
You'll pay for a valuation on your existing property, loan establishment or refinancing fees, and standard purchase costs on the new property including stamp duty, conveyancing, and inspections. Stamp duty is often the largest single cost, particularly on properties over $1,000,000.
Can I keep my loans separate when buying a second property?
Yes, though it depends on your equity position and lender requirements. Some buyers prefer to avoid cross-collateralisation, where both properties secure all lending, to maintain flexibility if they want to sell or refinance one property later without affecting the other.