When a relationship ends, most people focus on bank accounts, mortgages, and shared debts. The estate plan sits in a drawer and gets forgotten. That's a costly mistake. An outdated will or a stale superannuation beneficiary nomination can send your assets directly to your former spouse, regardless of what a court orders or what you and your ex agreed to. Financial separation and estate planning are two sides of the same coin, and they need to be updated together.
Why separation doesn't automatically revoke an estate plan
Under Australian law, separation alone does not revoke a will. Divorce does change things in some states and territories, but the rules vary and don't cover every document you've signed. If you separate and then die before updating your paperwork, your former spouse may still inherit under a will drafted when you were together. Enduring powers of attorney are an even sharper risk: your ex could retain legal authority over your finances and medical decisions long after you've walked out the door.
Superannuation is the starkest example. A super fund pays death benefits according to a binding death benefit nomination, not a will. If that nomination names your former spouse, the fund must pay them. The Family Court has no power to override it. This is true even if your property settlement is completely finalised.
The documents you need to review immediately
Four documents need attention as soon as separation begins, not after the property settlement is done.
- Will. Revoke the existing will and draft a new one with an estate planning solicitor. A handwritten (holograph) will is legally valid in some states but creates disputes. Use a properly witnessed document.
- Binding death benefit nomination. Contact your super fund directly. Many nominations lapse after three years and revert to non-binding status, which gives the trustee discretion. A lapsed nomination is actually an opportunity: update it now to name your intended beneficiary.
- Enduring power of attorney. This document appoints someone to manage your financial and legal affairs if you lose capacity. Revoke any power granted to your former spouse and appoint a trusted person, ideally an adult child, sibling, or close friend.
- Enduring guardian or medical power of attorney. This governs health and lifestyle decisions. The rules differ by state, but the urgency is the same.
How the property settlement timeline affects your estate plan
Your estate plan and your property settlement run on different tracks, and both need to keep moving. A property settlement can take months or years to finalise. During that window, you remain legally vulnerable if your estate plan still reflects the old relationship.
If you die while a property settlement is still in progress, the situation becomes genuinely complex. Your estate may become a party to the proceedings. Rockwell Family Law Services has covered this in detail in our guide on how property settlement works when a partner dies before it's finalised, which is worth reading alongside this guide.
Don't wait for the settlement to be done before updating your estate plan. Do both in parallel.
Updating beneficiary designations beyond superannuation
Super tends to get all the attention, but other financial products carry similar risks.
Life insurance policies held inside your super fund are governed by the death benefit nomination. Life insurance policies held outside super are governed by the policy's own nominated beneficiary. Check both. If your former spouse is named on a life insurance policy you hold personally, changing the beneficiary requires a written request to the insurer, not just a note in your will.
Bank accounts with a "payable on death" or "in trust for" designation (more common in the US but occasionally used in Australian private banking arrangements) should also be checked. Term deposits with a nominated beneficiary, investment accounts, and managed funds may all carry nomination fields that default to whoever you named when you opened the account.
Trusts, companies, and more complex structures
If you hold assets through a discretionary family trust or a self-managed super fund (SMSF), the estate planning considerations become significantly more involved.
A discretionary trust is controlled by its trustee and governed by its deed. The deed may name your former spouse as a default beneficiary or even as a successor trustee. A solicitor needs to review the trust deed before or at the same time as your separation. The same applies to an SMSF: if your former spouse is a member and a trustee, there are strict rules around removing them, and the timing matters for the fund's compliance status.
Rockwell Family Law Services also has a detailed guide on how to separate your finances if you own a business together, which covers company-held assets and trust structures in more depth.
What to do if your property settlement is not yet finalised
Some assets can't be moved or sold until a property settlement is complete. That doesn't mean your estate plan has to sit frozen. You can:
- Draft a new will that anticipates the outcome of the settlement (your solicitor can draft it in a way that accounts for contingencies).
- Update your super nomination immediately, regardless of where the settlement sits.
- Revoke powers of attorney and enduring guardianship documents right away, since these don't require a settled property position.
- Review life insurance beneficiary nominations and update them with each insurer directly.
It's worth speaking to both a family lawyer and an estate planning solicitor at the same time. They operate in different areas of law and each can miss the other's blind spots.
A practical order of operations
If you're unsure where to start, work through the steps in this order. First, revoke your enduring power of attorney and guardian documents. Second, update your superannuation death benefit nomination. Third, draft a new will. Fourth, contact life insurers to update beneficiary nominations. Fifth, review any trust deeds or SMSF documents with a specialist. Finally, revisit your estate plan once the property settlement is finalised to make sure everything still aligns.
Rockwell Family Law Services also covers the will and beneficiary piece directly in our guide on how to update your will and beneficiaries after separation, which goes into the specific rules around revoking and replacing each document type.
Getting the order right matters. Updating your will before revoking a power of attorney is like locking the front door and leaving the back window open. Do them together, with legal advice, and your estate plan will reflect the future you're building rather than the relationship you've left behind.

