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Wills & Estates9 July 2026Β· 5 min read

Should Your Will Include a Testamentary Trust?

A testamentary trust is a powerful estate planning tool that can protect assets for vulnerable beneficiaries and potentially reduce tax. Is it right for your estate?

Most Wills simply direct that assets be given to named beneficiaries outright. A testamentary trust Will goes a step further β€” instead of giving assets directly to beneficiaries, it establishes a trust within the Will that holds and manages assets for their benefit. For many families, this provides significant advantages.

What Is a Testamentary Trust?

A testamentary trust is a trust created by a Will that comes into effect on the death of the Will-maker. The trustee (who may be the same person as the executor, or a different person) manages the trust assets for the benefit of the trust's beneficiaries according to the terms set out in the Will.

Key Advantages of a Testamentary Trust

Tax Advantages for Minor Beneficiaries

One of the most significant advantages of a testamentary trust is the tax treatment of income distributions to minor beneficiaries (children under 18). Unlike other trusts, income distributed from a testamentary trust to a minor is taxed at adult marginal tax rates β€” not at the punitive "penalty rates" that normally apply to trust income for minors. This can result in substantial tax savings over many years.

Asset Protection

Assets held in a testamentary trust are generally protected from a beneficiary's creditors. If a beneficiary faces bankruptcy, divorce proceedings, or financial difficulties, assets held in trust for their benefit are generally not available to their creditors or ex-spouse β€” unlike assets given outright.

Protection for Vulnerable Beneficiaries

A testamentary trust is particularly useful where a beneficiary has a disability, addiction, mental health issues, or financial difficulties. The trust allows the trustee to control how and when assets are distributed, rather than giving a lump sum that could be squandered or taken by others.

Blended Families

A testamentary trust can be structured to provide for a surviving spouse during their lifetime while ensuring that assets ultimately pass to children from a previous relationship β€” addressing one of the most difficult issues in blended family estate planning.

Reducing Family Provision Claims

Assets held in a testamentary trust may be more difficult for claimants to access in a family provision claim, though this is a complex area that requires careful advice.

Are There Disadvantages?

Testamentary trusts involve more complex Wills that cost more to prepare, and they create ongoing compliance obligations (tax returns, trustee decisions, record-keeping) that a simple estate distribution does not. They are most suitable for estates of significant value or where there are specific family circumstances that justify them.

Is a Testamentary Trust Right for You?

A testamentary trust is worth considering if you have minor children, a beneficiary with a disability or financial difficulties, a blended family, a significant estate, or concerns about assets being wasted or taken by a beneficiary's creditors or ex-spouse.

At James Papas Solicitors, we advise on whether a testamentary trust is appropriate for your circumstances and draft testamentary trust Wills with care. Your first consultation is free. Call (02) 9633 3122.

Need legal advice? James Papas Solicitors offers free first consultations for all Wills & Estate Planning matters. Our offices are in Parramatta and we serve all of Western Sydney. Learn more about our Wills & Estate Planning services β†’ or contact us today.

Disclaimer: This article is provided for general information purposes only and does not constitute legal advice. Legal situations vary β€” please contact us for advice specific to your circumstances. James Papas Solicitors, Ground Floor 31–37 Hassall Street, Parramatta NSW 2150. (02) 9633 3122.