What Are Your Home Loan Options for a Larger Home?

Moving to a larger home while you still owe money on your current property requires decisions about loan structure, not just loan approval.

The decision most families face is whether to use equity from their current home or sell first and then buy. Each path shapes your loan structure differently. If you use equity, you carry two mortgages temporarily or convert to a single larger loan. If you sell first, you apply as though buying again but with a larger deposit from your sale proceeds.

Using Equity to Buy Before You Sell

Borrowing against the equity in your current home lets you purchase the new property without waiting for settlement on a sale. Lenders assess this based on the combined loan to value ratio across both properties. If your current home is worth $900,000 with $500,000 owing, and you want to buy a home for $1,200,000, the lender calculates your total borrowing against total security. Your existing equity can cover the deposit and costs on the new purchase, but your borrowing capacity must support both loans until the original property sells.

Consider a buyer who owns a three-bedroom home in Caringbah valued at $950,000 with $480,000 remaining on the loan. They locate a four-bedroom home nearby for $1,300,000. The equity available is $470,000, which covers a 20% deposit of $260,000 plus stamp duty and costs. The challenge is serviceability. Until the Caringbah property sells, they carry $480,000 on the old loan and $1,040,000 on the new loan, totaling $1,520,000. Lenders assess income against this combined debt. For two PAYG professionals earning $190,000 combined, the servicing works if there are no other liabilities, but it leaves little buffer. Once the original home sells, they use the remaining equity to reduce the new loan to around $830,000.

This approach works when you find the right property but have not yet sold. It requires strong income and low existing debt. The holding period between purchase and sale typically runs between six and twelve weeks, depending on your sale contract.

Selling First Then Applying for a New Loan

Selling your current home before purchasing the next one removes the serviceability pressure of two mortgages. Your home loan application treats you as a buyer with a substantial deposit rather than someone refinancing with additional borrowing. The deposit comes from your sale proceeds after the existing mortgage is discharged.

If your current home sells for $950,000 and you owe $480,000, you walk away with around $470,000 after agent fees and legal costs. Applying that as a deposit on a $1,300,000 purchase means borrowing $830,000. Your loan to value ratio sits at 64%, which avoids Lenders Mortgage Insurance and often unlocks better interest rate discounts. Lenders view this structure as lower risk because your income only services one loan.

The downside is timing. You need to secure the new property after your sale contracts, or risk settling on your sale without anywhere to move. Some buyers negotiate long settlement periods on their sale to create a window for purchasing, but this depends on the buyer's flexibility. Renting temporarily between sale and purchase is another option, though it adds moving costs and disruption for families.

Portable Loans and Internal Refinancing

Some lenders offer portable loan features that let you transfer your existing loan to a new property without reapplying or paying discharge fees. If your current loan has a competitive rate and offset account attached, keeping that loan and topping it up for the new purchase can be more efficient than starting over. Not all loan products include portability, and even when they do, the lender reassesses your borrowing capacity as though you were applying again.

Internal refinancing through your existing lender often delivers faster approval than switching lenders. If you hold a variable rate loan with an offset account and your lender offers rate discounts for higher loan amounts, the additional borrowing might come at the same or lower rate than your current loan. However, this only works if your current lender remains competitive. Comparing your existing loan structure against home loan options from other lenders ensures you are not paying more than necessary just for convenience.

Fixed, Variable, or Split Rate for a Larger Loan Amount

When your loan amount increases, interest rate structure becomes more significant. On a loan of $830,000, a 0.20% difference in your interest rate changes your repayments by around $140 per month. Choosing between a fixed interest rate, variable rate, or split loan depends on your income stability and how much rate movement you can absorb.

A variable rate gives you access to offset accounts and the ability to make extra repayments without restriction. If you plan to use surplus income or bonuses to reduce the loan faster, a variable rate supports that approach. Fixed rates lock in your repayment amount for a set period, which helps with budgeting but removes flexibility. Break costs apply if you sell or refinance before the fixed period ends. A split loan divides your borrowing between fixed and variable, giving you partial rate protection and partial flexibility. For families moving into a larger home with higher repayments, a split structure often balances certainty with the ability to reduce debt when income allows.

Lenders apply different rate discounts depending on your loan to value ratio and loan amount. Borrowing $830,000 at 65% LVR typically attracts a larger discount than borrowing the same amount at 85% LVR. Some lenders also reserve their lowest rates for owner occupied home loans above $500,000 or $750,000, which works in favour of buyers moving to a larger property.

How Offset Accounts Work with Higher Borrowing

An offset account linked to your home loan reduces the interest charged by offsetting your account balance against your loan amount. If you borrow $830,000 and keep $40,000 in your offset account, you only pay interest on $790,000. For families with variable income or irregular bonuses, offset accounts turn spare cash into immediate interest savings without locking funds inside the loan.

Not all home loan products include a full offset account. Some lenders offer partial offsets or charge monthly fees for offset functionality. When your loan amount is larger, the value of an offset increases. Saving $1,000 per month in interest by keeping $50,000 in offset makes more difference than on a smaller loan. If your lender does not offer offset, or charges high fees for it, switching to a loan product with a linked offset can be worth the refinancing cost.

Offset accounts work most efficiently with variable rate loans. Fixed rate loans rarely include offset functionality, and when they do, the offset benefit is often partial or capped. If you split your loan, attaching the offset to the variable portion gives you flexibility while the fixed portion stabilises your repayments.

Pre-Approval Before You Start Looking

Getting home loan pre-approval before you begin inspecting properties clarifies how much you can borrow and what loan structure suits your situation. Pre-approval is not a guarantee, but it confirms your income, expenses, and equity position meet lending criteria for a specific loan amount. For buyers using equity from their current home, pre-approval shows whether the lender will support bridging finance or requires the sale to settle first.

Pre-approval also locks in a rate for a limited period, usually between three and six months. If rates are rising, this can protect you from increases while you search for the right property. If rates are falling, most lenders let you reapply at the lower rate before settlement. The main value of pre-approval is confidence. You know what you can afford, and you can move quickly when the right home becomes available.

Lenders assess pre-approval based on your current financial position. If your circumstances change between pre-approval and formal application, such as a drop in income or new debt, the lender reassesses. Keeping your financial position stable during the buying process avoids surprises at settlement.

Whether you sell first, use equity, or refinance your current loan into a larger amount, the structure you choose shapes your repayments and flexibility for years. Call one of our team or book an appointment at a time that works for you.

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