Simple hacks to boost your borrowing capacity

Your borrowing capacity isn't set in stone when you first check it.

Lenders calculate how much they'll lend you based on your income, expenses, existing debts, and deposit size. What catches most people off guard is how much small shifts in these areas can change the outcome. A credit card you haven't used in two years or a car loan with six months remaining can reduce your borrowing capacity by tens of thousands of dollars, even if you're managing them without issue.

How lenders calculate what you can borrow

Lenders assess your income first, then subtract your living expenses and existing debt commitments to work out how much you can afford in monthly repayments. They use a servicing buffer on top of the current interest rate to make sure you can still afford repayments if rates rise. Most lenders apply a buffer of around 3%, which means they test your capacity to repay at a rate higher than what you'll actually pay.

Your expenses include rent, utilities, groceries, childcare, and any recurring payments like subscriptions or insurance. Some lenders use your actual declared expenses, while others apply a minimum living expense benchmark based on your household size. If your actual spending is lower than the benchmark, they'll still use the higher figure in their calculation.

Existing debts reduce your capacity dollar for dollar. A personal loan with $400 monthly repayments reduces the amount you can borrow for a home loan by roughly $80,000 to $100,000, depending on the lender's assessment rate. Credit card limits matter more than balances. A card with a $10,000 limit can reduce your capacity by $50,000 or more, even if the balance sits at zero.

Clearing debts before you apply

Paying off smaller debts before you submit a home loan application changes your capacity immediately. Consider someone with a $6,000 personal loan and two credit cards with combined limits of $15,000. Their monthly debt commitments might only be $450, but lenders assess them as if they're carrying the full card limits. Closing one card and paying out the personal loan could lift their borrowing capacity by $120,000 or more, depending on income and other commitments.

Car loans work the same way. If you've got eight months left on a car loan with $600 monthly repayments, paying it out early removes that commitment from the lender's calculation. Some buyers refinance short-term debts into longer terms to reduce monthly repayments, but this usually extends the total interest paid and doesn't solve the underlying issue. Clearing the debt outright is almost always the better option if you have savings available.

Adjusting your deposit size and loan structure

A larger deposit doesn't just reduce the loan amount. It can also shift you into a lower loan to value ratio bracket, which may qualify you for better rates or remove the need for Lenders Mortgage Insurance. If you're borrowing 85% of the property value instead of 90%, some lenders apply a lower servicing buffer or offer more flexibility on income assessment.

In Narara and surrounding Central Coast suburbs, buyers with a 20% deposit often have access to a wider range of lenders and home loan products than those borrowing at 90% or 95%. This isn't just about avoiding LMI. It's about positioning your application in a way that maximises what you can borrow while keeping repayments sustainable.

Some buyers use a guarantor to reduce their loan to value ratio without needing a larger cash deposit. This involves a parent or family member using equity in their own property as additional security. It can lift your borrowing capacity and remove LMI, but it does place the guarantor's property at risk if repayments aren't met. It's not a decision to rush into, and it needs to be structured carefully with a broker who understands how different lenders assess guarantor arrangements.

Income packaging and how it's assessed

Not all income is treated the same way. Base salary is straightforward, but overtime, bonuses, commission, and rental income are assessed differently depending on the lender. Some lenders will accept 100% of overtime if you've been receiving it consistently for two years. Others cap it at 50% or exclude it altogether.

Rental income from an investment property is usually assessed at 70% to 80% of the actual rent received, to account for vacancy periods and maintenance costs. If you're earning $500 per week in rent, the lender might only count $350 to $400 toward your income. Self-employed buyers face stricter assessment, with most lenders requiring two years of tax returns and using an average of your net profit after add-backs.

If you're in a variable income situation, working with a mortgage broker in Narara who knows which lenders are more flexible on income types can make a significant difference. One lender might assess your capacity at $520,000 while another, using the same income and expenses, approves $620,000 because they take a different approach to overtime or commission.

Reducing ongoing expenses that lenders count

Subscription services, childcare, school fees, and regular payments to family members all get factored into your expense assessment. Lenders don't typically ask for proof of every expense, but they do review your bank statements for recurring debits. If your statements show $200 a month going to streaming services, gym memberships, and subscription boxes, that reduces your capacity.

Some buyers clean up their spending in the three months before they apply. This doesn't mean hiding expenses or misrepresenting your situation. It means cancelling services you're not using and consolidating payments where possible. If you're paying for two gym memberships or three streaming platforms, cutting back genuinely reflects a more sustainable spending pattern and improves how lenders view your capacity to service a loan.

Childcare and school fees are treated differently depending on the lender. Some will exclude them if your children are close to finishing school, while others include them regardless. If you've got a child in their final year of private schooling, mentioning that to your broker might mean the difference between a lender who factors in $8,000 a year ongoing and one who doesn't.

Using offset accounts and loan features to maintain flexibility

An offset account linked to your home loan reduces the interest you pay without locking funds away in the loan itself. This doesn't directly increase your borrowing capacity, but it does help you build equity faster once you've got the loan, which improves your position if you want to refinance or borrow more later.

Some buyers split their loan between fixed and variable portions to balance rate certainty with the flexibility of an offset. The variable portion sits alongside the offset account, so any funds you park there reduce your interest on that portion of the loan. The fixed portion gives you predictable repayments for a set period, which can help with budgeting if rates rise.

Loan portability is another feature that matters if you're planning to move within a few years. A portable loan lets you transfer your existing loan to a new property without reapplying or paying discharge fees. Not all lenders offer this, and not all products within a lender's range include it. If you're buying in Narara now but expect to move closer to Gosford or Terrigal in three to five years, choosing a portable loan gives you more control without needing to refinance and go through a full capacity assessment again.

Call one of our team or book an appointment at a time that works for you. We'll walk through your current position, identify what's affecting your capacity, and build a plan that gets you where you need to be without months of guesswork.

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