Everything You Need to Know About School Zone Home Loans

Buying into a school zone means borrowing more to access the same property type in a different postcode.

The decision to purchase near a preferred school typically adds 10 to 20 per cent to the property price compared to equivalent homes outside the catchment boundary. That creates three immediate finance questions: how much you can borrow, what deposit you'll need, and how to structure the loan when you're stretching your borrowing capacity to meet the higher price.

How Lenders Assess School Zone Purchases

Lenders assess all applications using a serviceability buffer of at least 3.0 percentage points above the loan product rate. When you're buying at the upper limit of what the catchment allows, that buffer determines whether the loan is approved. A buyer purchasing at $950,000 in a preferred zone who could have purchased at $780,000 elsewhere is assessed on their ability to service the higher amount at the buffered rate, not the actual rate.

Consider a household earning $180,000 combined who are buying a three-bedroom home in the McKinnon Secondary College zone. The property is priced at $1,280,000. With a 15 per cent deposit of $192,000, they need to borrow $1,088,000. Their lender assesses serviceability on a variable rate of 6.20 per cent plus the 3.0 per cent buffer, meaning the assessment rate is 9.20 per cent. At that rate, monthly repayments would be approximately $8,800. The lender also applies a debt-to-income assessment. With total borrowing of $1,088,000 against household income of $180,000, the DTI ratio is just over six times income. Under the DTI lending limit that took effect from 1 February 2026, each lender can approve up to 20 per cent of new owner-occupier loans above a DTI of six. The application falls within that threshold and is approved, but only because both serviceability and DTI criteria were met.

If the same household had attempted to borrow $1,150,000 to purchase a larger home in the same zone, the DTI would exceed six times and serviceability at the assessment rate would not support approval under standard policy. That's the point where loan structure starts to matter.

Using a Split Rate Structure to Manage Repayments

A split rate loan allows you to fix part of the borrowing and leave part on a variable rate. When you're buying at the top of your borrowing capacity, fixing a portion locks in certainty on repayments for that component, which can support serviceability if rates rise during the fixed period. It also means you retain access to an offset account and the ability to make extra repayments on the variable portion.

The structure that works in many school zone purchases is a 50/50 split or a 60/40 split in favour of the variable portion. You fix enough to provide repayment certainty without losing flexibility entirely. On a loan of $1,088,000, fixing $540,000 at a three-year fixed rate and leaving $548,000 on a variable rate with a linked offset gives you stable repayments on half the loan and the ability to reduce interest on the other half as your income grows or you receive bonuses, tax returns, or other lump sums.

This approach also supports future borrowing capacity if you plan to hold the property and later purchase an investment property or upgrade again. Paying down the variable portion while the fixed portion remains stable builds equity faster than a fully fixed loan, and that equity can be accessed when you apply for your next loan.

The Deposit Gap and Lenders Mortgage Insurance

Most school zone buyers are purchasing established homes, not new builds. In Melbourne, buyers using the Australian Government 5% Deposit Scheme can access the $950,000 price cap in Victoria for established homes, provided they meet first home buyer eligibility. That allows a deposit as low as 5 per cent with Housing Australia guaranteeing up to 15 per cent of the property value, bringing the combined deposit and guarantee to 20 per cent and avoiding LMI.

For buyers who are not first home buyers, or who are purchasing above the scheme cap, a deposit below 20 per cent triggers LMI. On a purchase price of $1,280,000 with a 15 per cent deposit, the LVR is 85 per cent and LMI is charged on a sliding scale. The premium is typically added to the loan amount rather than paid upfront, which increases the total borrowing and affects serviceability. In Victoria, stamp duty is also payable on the LMI premium.

Where possible, a 20 per cent deposit avoids LMI entirely and improves your borrowing capacity because the loan amount is lower and no premium is capitalised. In the school zone context, that often means waiting an additional six to 12 months to save the difference, or accessing family support through a guarantor arrangement where a parent or close relative uses equity in their own home to cover part of the deposit requirement.

Catchment Boundaries and Loan Structures That Support Future Moves

School zone boundaries are set by the Department of Education and can change. A portable loan structure allows you to take the loan with you if you sell and purchase another property without reapplying or paying discharge fees. Not all lenders offer portability, and those that do may restrict it to certain loan products.

If you're buying into a primary school zone with the intention of moving again when your child reaches secondary school, portability means you can sell, purchase, and transfer the existing loan in a single settlement. That's particularly useful if you've locked in a lower fixed rate and want to retain it through the move, or if you've built offset savings that are linked to the loan and want to maintain that arrangement.

Portability is also relevant for buyers in areas like the Glen Waverley Secondary College zone, the Balwyn High School zone, or the University High School zone, where families often purchase a smaller home or apartment to access the catchment and then upgrade to a larger property within the same zone as their financial position improves. The ability to port the loan reduces costs and maintains continuity.

How Stamp Duty Affects Your Borrowing Capacity

Victoria offers a full stamp duty exemption on properties valued up to $600,000 for first home buyers, with a sliding concession up to $750,000. Most school zone properties in sought-after catchments exceed $750,000, meaning standard stamp duty rates apply. On a $1,280,000 purchase, stamp duty is approximately $69,000. That amount is paid at settlement and must come from savings, not from the loan itself.

When you're buying at the upper limit of your borrowing capacity, the stamp duty requirement often determines whether the purchase is viable. A buyer who has saved a 15 per cent deposit of $192,000 also needs $69,000 for duty, $1,500 to $2,500 for conveyancing and building inspections, and a small buffer for settlement adjustments. The total cash requirement is around $265,000, not $192,000.

First home buyers purchasing in the $600,000 to $750,000 range may access a partial concession, which reduces the duty payable and frees up cash for a larger deposit or to cover other settlement costs. That can improve your LVR and reduce or eliminate LMI, which in turn improves serviceability and borrowing capacity. If you're buying in a zone where properties sit just above $600,000, such as parts of the Reservoir or Heidelberg West catchments, the concession is material and should be factored into your finance structure.

Offset Accounts and School Zone Borrowing

An offset account linked to your home loan reduces the interest charged on the outstanding balance by the amount held in the offset. When you're borrowing a larger amount to access a school zone, the value of an offset increases because the interest saved is calculated on a higher loan balance.

On a loan of $1,088,000 at a variable rate of 6.20 per cent, every $10,000 held in a linked offset saves approximately $620 per year in interest. If you maintain an average offset balance of $40,000, you save around $2,480 annually, which compounds over the life of the loan. For buyers who receive variable income, such as bonuses, commissions, or annual leave payouts, an offset provides a place to park those funds and reduce interest while retaining access to the cash.

Not all loan products include an offset. Fixed rate loans generally do not offer offset functionality, which is one reason why a split structure is often preferred over a fully fixed loan. If you fix 50 per cent of the borrowing and leave 50 per cent variable with an offset, you retain the ability to reduce interest on half the loan while locking in certainty on the other half.

Pre-Approval and Timing in Competitive Zones

School zone properties in areas like Camberwell, Kew, or Brighton often sell within two weeks of listing, and many receive multiple offers. Home loan pre-approval gives you a conditional commitment from a lender before you make an offer, which allows you to act quickly when the right property becomes available.

Pre-approval is valid for three to six months depending on the lender and is subject to final property valuation and any changes in your financial circumstances. When you're buying at the top of your borrowing capacity, pre-approval also confirms that your income, deposit, and intended loan structure meet the lender's serviceability requirements before you begin your search. That avoids the situation where you find a property, make an offer, and then discover the lender will not approve the amount you need.

Pre-approval does not lock in an interest rate unless you also request a rate lock, which is available on some fixed rate products for a fee. If you're planning to fix part of your loan and rates are rising, a rate lock can be used to secure the fixed rate for 90 days while you search for a property.

Income Changes and Loan Structures That Adapt

Many school zone buyers are purchasing in their mid-30s to early 40s, at a stage where household income is likely to increase over the next five to ten years through promotions, career changes, or a second income returning after parental leave. A loan structure that allows for extra repayments without penalty supports that income growth and allows you to pay down the loan faster as your circumstances improve.

Variable rate loans and the variable portion of a split loan generally allow unlimited extra repayments. Fixed rate loans typically allow up to $10,000 to $30,000 in extra repayments per year depending on the lender, with break costs applying if you exceed that limit or repay the loan in full during the fixed period. If your income is likely to increase materially, a fully variable loan or a split that favours the variable portion gives you more flexibility to reduce the loan balance without restriction.

Call one of our team or book an appointment at a time that works for you. We'll review your income, deposit, and intended purchase price, confirm your borrowing capacity, and structure a loan that supports both your immediate purchase and your longer-term goals.

Frequently Asked Questions