A Testamentary Trust is a powerful estate planning tool established through a person’s Will that comes into effect only upon their death. Unlike a simple Will, which distributes assets outright to beneficiaries, a Testamentary Trust transfers assets into a legal structure where a chosen Trustee manages them for the benefit of the Beneficiaries according to the Will-maker’s instructions.
Often structured as a discretionary trust, this mechanism offers superior control, asset protection, and significant tax advantages, making it an essential consideration for those with substantial assets, complex family situations, or vulnerable beneficiaries.
Key Benefits of a Testamentary Trust
The primary reasons for incorporating a Testamentary Trust into a Will fall into three main categories:
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Asset Protection
Assets held within a Testamentary Trust are legally owned by the Trustee, not the beneficiaries personally. This separation offers a significant shield of protection for the inheritance.
- Protection from Creditors and Bankruptcy: If a beneficiary faces financial difficulty, their inheritance held in the trust is generally protected from claims by their personal creditors or a bankruptcy trustee.
- Protection in Relationship Breakdown: Assets in the trust are less likely to be considered part of the personal marital asset pool in a divorce.
- Protecting Vulnerable Beneficiaries: This structure allows the Will-maker to provide for beneficiaries who may be financially irresponsible, have addiction issues, or suffer from a disability, by appointing a reliable Trustee to manage the funds on their behalf.
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Tax Efficiency
A unique tax concession in Australian tax law provides a major incentive for using a Testamentary Trust and we recommend that you discuss the benefits with your accountant.
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Control and Flexibility
The trust allows the Will-maker to exert a measure of control over their wealth beyond the grave, ensuring their legacy is managed according to their wishes for up to 125 years.
- Delayed Access: The Will can stipulate conditions for releasing capital, such as when a beneficiary reaches a certain age or completes a degree.
- Provision for Future Generations: The trust can be structured to benefit future generations (children, grandchildren, etc.).
- Trustee Discretion: The Trustee has the flexibility to respond to beneficiaries’ changing life circumstances by tailoring distributions accordingly.

When to Consider a Testamentary Trust
A Testamentary Trust is not necessary for every estate, but should be seriously considered in the following situations:
| Situation | Reason for Trust |
| Parents with Minor Children | To take advantage of the tax concessions and to control the inheritance until the children are mature. |
| Beneficiaries at High Risk | They are in a profession vulnerable to lawsuits, are bankrupt, or have high personal debt. |
| Vulnerable Beneficiaries | The beneficiary has an addiction, disability, or poor financial management skills. |
| High Net Worth Estates | To maximise tax efficiency and protect intergenerational wealth from erosion. |
| Blended Families | To protect assets intended for children from a first marriage while providing for a surviving spouse. |
Disadvantages and Administrative Costs
While the benefits are significant, a Testamentary Trust introduces complexity and ongoing costs:
- Administrative Cost: The trust incurs annual running costs, including the need to appoint a Trustee, obtain a Tax File Number (TFN), and lodge an annual tax return.
- Complexity: Establishing and managing the trust requires specialist legal and accounting advice, increasing the upfront cost of drafting the Will.
- Trustee Liability: The Trustee holds a significant fiduciary duty to manage the trust in the best interest of all beneficiaries.
Setting up a Testamentary Trust
A Testamentary Trust cannot be created with an off-the-shelf Will kit. It requires a specialist legal professional. The process involves:
- Consultation: Assessing the Will-maker’s estate, family structure, and goals with an estate planning lawyer.
- Drafting the Will: The Will must contain specific legal clauses that outline the terms, powers, Trustee, Beneficiaries, and Appointor of the trust.
- Activation: The trust only legally comes into existence after the Will-maker’s death, once the Will is proven and the assets of the estate are transferred to the Trustee.
NB Property Law Services: Specialist Legal Solutions
NB Property Law is dedicated to providing expert, responsive, and commercially focused legal services.
Our key services include:
- Property Sales & Acquisitions: Managing the entire conveyancing process, including detailed Due Diligence and advice on the most effective legal structures for ownership.
- Commercial & Retail Leasing: Comprehensive support for drafting, negotiation, and dispute resolution for both landlords and tenants.
- Property Development: Guidance on Subdivision, Joint Venture Agreements, and resolving Planning Appeals.
- Estate Planning & Trusts: Drafting specialised Wills and Testamentary Trusts to provide superior asset protection, tax efficiency, and control, alongside services for Enduring Powers of Attorney and Estate Administration.
Why Choose NB Property Law?
Our team offers specialised expertise, commercial acumen, and a proactive approach to protect your assets and achieve the best possible outcomes.
For specialist advice on your next property transaction or legal query, contact NB Property Law today.