7 Mortgage Mistakes I See Clients Make After Separation (and How to Fix Them)

Written by
Dr Lisa Bridgett
on
July 2, 2026

Navigating the Financial Complexity of Separation

Separation is one of the most significant life transitions any of my clients will face. It is emotionally taxing, yes, but it is also a massive financial restructuring project. Over my two decades in finance and research, I have sat across the table from many high-achieving professionals: doctors, lawyers, and business owners: who are incredibly savvy in their fields but find themselves overwhelmed by the intricacies of property and debt during a divorce.

The home is often the largest asset in a property settlement, and the mortgage is the largest liability. I have seen how easily a few missteps in the early stages of a split can lead to years of financial friction or, worse, a complete loss of borrowing power. My role is to provide the clarity and strategic advice needed to ensure you come out of this transition with your financial health intact.

Through my work as a mortgage broker in the Eastern Suburbs, I’ve identified seven recurring mistakes that can derail your path to a fresh start. Here is how I help my clients identify these traps and structure a better outcome.

1. Assuming Your Borrowing Capacity Remains the Same

One of the most common assumptions I encounter is that because you successfully secured a loan with your partner, you will easily do the same on your own. This is rarely the case. Lenders view a single applicant with one income and potentially several dependents very differently than a dual-income couple.

When you transition from a joint mortgage to a sole application, your serviceability: the bank’s measure of your ability to repay a loan: changes dramatically. Your lifestyle expenses are now supported by one income, and if you are the primary carer for children, the bank’s “buffer” for living costs increases significantly. I always advise my clients to run a full borrowing capacity assessment before they even begin negotiating the property split. Knowing your numbers early allows you to negotiate from a position of strength rather than guesswork.

2. Staying on a Joint Mortgage Longer Than Necessary

I often see clients who have “informally” separated but remain co-borrowers on their family home loan for months or even years. This is a high-risk strategy. Under Australian law, if you are a co-borrower, you are jointly and severally liable for the debt. This means if your ex-partner misses a payment: for any reason: the bank can and will pursue you for the full amount.

Moreover, having that joint debt on your file counts as a full liability in the eyes of a new lender. If you are trying to secure finance for divorce to buy a new property, the bank will often treat the entire joint mortgage as your personal debt, even if your ex is paying it. I help my clients navigate the process of “releasing” a party from a loan through a formal refinance or sale, ensuring your credit file is clean and your future borrowing power is protected.

3. Forgetting How Child Support Impacts Your Serviceability

Child support is a “double-edged sword” in the world of mortgage broking. For the person receiving support, it can sometimes be counted as income, but lenders vary wildly on how much of it they will accept. Many require a court-ordered agreement or a history of payments through the Child Support Agency for at least six to twelve months.

For the person paying child support, it is treated as a direct deduction from your borrowing capacity: much like a credit card or a personal loan. I’ve seen cases where a $2,000 monthly child support payment reduces a client’s borrowing power by hundreds of thousands of dollars. As an expert mortgage broker for divorce, I work with you to understand these calculations early so there are no surprises when you apply for a new loan.

4. Failing to Protect Your Credit Score During the Transition

In the heat of a separation, it is easy for small bills to fall through the cracks. A missed electricity bill or a late credit card payment can result in a “default” or a “late payment” marker on your credit report. In the current lending environment, even a small blemish on your credit file can make it significantly harder to secure a competitive interest rate.

I recommend that my clients immediately separate their finances by opening individual accounts and ensuring all joint bills are clearly allocated to one party. If there is a risk that your partner might not meet mortgage repayments, I suggest notifying the bank of the separation early. Banks have dedicated hardship and separation teams that can offer temporary relief or monitoring to prevent a default from being registered against your name.

5. Agreeing to a Property Settlement Before Securing Finance Approval

This is perhaps the most dangerous mistake of all. I have had clients come to me after signing a binding financial agreement that requires them to “buy out” their ex-partner for a specific sum, only to find that no bank will lend them the money.

Never sign a settlement agreement that relies on a refinance without first obtaining a pre-approval. A legal agreement is binding; a bank’s policy is not. If you agree to a buyout and cannot secure the funds, you may be forced to sell the property under duress, often resulting in a lower sale price and additional legal costs. I provide my clients with the necessary documentation and “approval in principle” to ensure their legal team is working with realistic financial figures.

6. Not Notifying the Bank Early Enough

There is a common fear that telling the bank about a separation will cause them to “call in the loan” or cancel credit facilities. In reality, being proactive is your best defense. Lenders in Australia are increasingly aware of the financial impact of domestic changes and have processes in place to support clients.

By informing the bank, we can often request that redraw facilities be locked or that “dual signatures” be required for any major changes to the account. This prevents one party from withdrawing equity without the other’s knowledge: a scenario I have unfortunately seen play out more than once. My role is to act as the bridge between you and the lender, ensuring your interests are protected while maintaining a professional relationship with the bank.

7. Overlooking the Benefits of Specialist Lending for Professionals

For the high-income earners I typically serve: medical specialists, partners in law firms, and entrepreneurs: standard lending criteria often don’t tell the whole story. Many professionals have complex income structures, including trusts, dividends, or self-employed earnings that a standard “bank manager” might not know how to interpret during a divorce.

There are specialist lenders who offer exclusive benefits to professionals, such as waived Lenders Mortgage Insurance (LMI) or higher Loan-to-Value Ratios (LVR) for specific industries. When you are going through a separation, these specialist products can be a lifeline, allowing you to retain the family home or purchase a new one with a smaller deposit. My background in high-level research and my PhD-level analytical approach allow me to present your complex financial situation to lenders in a way that highlights your strength and long-term potential.

Conclusion: Navigating the Next Chapter with Clarity

Separation is a conclusion, but it is also a beginning. Securing the right home loans after separation is about more than just numbers; it’s about creating the foundation for your next chapter. My goal is to take the complexity out of the process, giving you the mental space to focus on your family and your career while I handle the heavy lifting of the finance.

If you are navigating a separation or considering your options regarding the family home, I invite you to reach out for a confidential, strategic consultation. Together, we can map out a plan that prioritises your financial independence and long-term wealth.

Secure Your Financial Future Today

Don’t leave your property’s future to chance. Whether you need to refinance a joint loan or explore your borrowing capacity for a new home, I am here to guide you with precision and empathy. Contact me today to discuss your unique situation and let’s build a strategy that works for you.

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