Proven Tips to Finance a Larger Home for Your Family

Understanding Borrowing Capacity When Upgrading

Your borrowing capacity depends on your income, existing debts, and the lender's assessment of your living expenses. As an oral surgeon, your income structure often includes both salary and practice income, which lenders assess differently depending on whether you're a principal or associate.

Consider an oral surgeon earning $280,000 annually as a practice principal, looking to move from a two-bedroom unit to a four-bedroom house. The lender will typically apply serviceability buffers of 3% above the current variable rate and assess your capacity to service the debt even if rates rise. With existing debts like equipment finance or an investment loan, your available borrowing capacity might sit around $1.2 million to $1.4 million depending on the lender's assessment methodology. Some lenders offer profession-based policies that recognise your earning stability and may apply lower living expense benchmarks, which can increase your borrowing power by $100,000 to $200,000 compared to standard assessment.

How Sale Timing Affects Your Loan Structure

The sequence of buying and selling determines which loan products you can access. If you purchase before selling your current property, you'll need bridging finance or sufficient borrowing capacity to hold both properties temporarily. If you sell first, you'll need accommodation during settlement and may face time pressure to secure your next home.

Bridging arrangements typically allow you to borrow against the equity in your existing property while you arrange its sale. Lenders usually cap this at 80% combined loan to value ratio across both properties and charge a higher interest rate on the bridging portion, often 0.50% to 1.00% above standard variable rates. The approval hinges on a clear exit strategy, usually a signed sale contract on your existing property with settlement within six months. Bridging loans for dentists can provide the flexibility to secure your new home without rushing the sale of your current one, but you'll need to demonstrate capacity to service both loans simultaneously during the overlap period.

Accessing Equity Without LMI

Lenders calculate equity as the difference between your property's current value and your outstanding loan balance. To avoid Lenders Mortgage Insurance when upgrading, you need to maintain a loan to value ratio of 80% or below on your new purchase after applying your available equity as a deposit.

In our experience, oral surgeons who purchased their first property five to seven years ago often have enough equity to upgrade without paying LMI, particularly in markets where values have appreciated. If your current property is worth $750,000 with a remaining loan of $400,000, you have $350,000 in equity. Lenders will allow you to access up to 80% of that value as usable equity, which is $600,000 minus your $400,000 loan, leaving $200,000 available. Combined with retained savings, this often provides a 20% deposit on a property up to $1 million without triggering LMI. Some lenders offer LMI waivers for dentists at loan to value ratios up to 90% for medical and dental professionals, which can be useful if equity alone doesn't quite reach the 20% threshold.

Variable, Fixed, or Split Rate for Family Homes

A variable rate provides full offset account access and unlimited additional repayments, which suits borrowers who want to reduce interest costs by parking savings against the loan. A fixed rate locks in repayment certainty for one to five years but typically restricts extra repayments to $10,000 to $30,000 annually and doesn't offer a fully functional offset.

A split loan combines both structures, allowing you to fix a portion for budgeting certainty while keeping the remainder on a variable rate with an offset account. Consider a scenario where an oral surgeon borrows $900,000 to purchase a four-bedroom home. They fix $600,000 for three years at a rate 0.30% to 0.50% below the current variable rate, protecting most of their repayment from rate rises. The remaining $300,000 stays variable with a linked offset account where they deposit their operating surplus, bonus payments, and tax provisions. This approach balances security with flexibility and allows them to reduce the effective loan balance without penalty.

Principal and Interest vs Interest Only Repayments

Principal and interest repayments reduce your loan balance over time and build equity in the property. Interest only repayments keep the loan balance unchanged and result in lower monthly repayments, which can preserve cash flow in the short term.

For an owner-occupied family home, lenders generally prefer principal and interest repayments and price interest only periods at a margin of 0.20% to 0.40% above standard rates. However, oral surgeons managing practice debt, fit-out costs, or pending equipment purchases sometimes choose a one to three year interest only period to maintain liquidity during high-expenditure phases. After that period, the loan reverts to principal and interest for the remaining term. The decision should reflect your cash flow requirements and whether you're directing surplus income into the home loan or into other investments or practice reinvestment.

Offset Accounts and Tax Planning

An offset account is a transaction account linked to your home loan where the balance reduces the interest charged on your loan without technically making extra repayments. If you have a $900,000 loan and $50,000 in your offset, you only pay interest on $850,000.

This structure is particularly relevant for oral surgeons who may later convert their family home into an investment property or purchase an investment while retaining their current residence. Interest on investment loans is tax deductible, but only if the debt was used to purchase or improve the investment property. If you've paid down your owner-occupied loan aggressively and then buy an investment, you'll have a smaller deductible debt and a larger non-deductible debt. Using an offset instead preserves the full loan balance on your home, which can later become fully deductible if the property is rented. The difference can amount to thousands of dollars annually in deductible interest once your circumstances change.

Portable Loans and Future Flexibility

A portable loan allows you to transfer your existing loan to a new property without breaking your fixed rate or paying discharge fees. Not all lenders offer portability, and those that do usually require the new loan amount to be equal to or greater than the existing balance.

If you're likely to upgrade again within five years, portability can save you significant break costs on a fixed rate loan. However, the feature is less relevant if you're refinancing or significantly changing your loan amount. When comparing loan products, portability should be weighed against other features like offset functionality, rate competitiveness, and serviceability policies rather than treated as a deciding factor on its own.

Application Process and Pre-Approval

Lenders assess your income using tax returns, practice financials, and employment contracts depending on your work structure. For oral surgeons operating through a trust or company, most lenders require two years of financials and tax returns, though some profession-focused lenders will accept one year if your registration and qualifications are verified.

Getting loan pre-approval before you start searching gives you certainty on your budget and strengthens your position when negotiating with vendors. Pre-approval is valid for three to six months depending on the lender and is conditional on property valuation, final income verification, and no material change in your financial circumstances. Expect the process to take five to ten business days for a straightforward application, longer if your income structure involves multiple entities or overseas qualifications require additional verification. Providing complete documentation upfront, including recent payslips, practice profit and loss statements, and notice of assessment from the ATO, will accelerate the assessment and reduce the chance of delays once you've found a property.

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Frequently Asked Questions