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Trusts for Minors and Grandchildren

Creating a trust for your children or grandchildren is a powerful way to secure their financial future while maintaining control over how that wealth is managed and distributed. Whether you are planning for university fees, a first home deposit, or long-term protection, understanding the different trust structures is essential for effective estate planning.

Why Set Up a Trust for Minors and Grandchildren?

A trust is a legal arrangement where assets, such as cash, property, or shares, are held by trustees for the benefit of beneficiaries. Key benefits include:

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  • Asset Protection: Safeguards funds from potential financial mismanagement, divorce, or bankruptcy.

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  • Controlled Distribution: You can specify exactly when and how funds are accessed, such as reaching a certain age (e.g., 21 or 25) or for specific needs like education.

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  • Tax Efficiency: Properly structured trusts can significantly reduce Inheritance Tax (IHT) and utilise the beneficiaries' personal tax allowances.

Types of Trusts for Your Family

Choosing the right trust depends on your family’s size, wealth, and specific goals.

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  • Bare Trusts: These are the simplest form, where assets are held absolutely for the minor. The child gains full access at age 18 (16 in Scotland).

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  • Discretionary Trusts: These offer maximum flexibility. Trustees decide which beneficiaries receive payments and when, which is ideal if you have a growing family or vulnerable beneficiaries.

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  • 18-to-25 Trusts: Created under a parent's will, these allow capital to be held until the child is 25, with specific IHT advantages.

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  • Vulnerable Person Trusts: Specifically designed for beneficiaries with disabilities to provide financial support without affecting their eligibility for government benefits.

Key Differences: Parents vs. Grandparents

There are critical tax distinctions depending on who sets up the trust:

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  • Parent-Settled Trusts: If a parent sets up a trust for their minor child, any income over £100 is typically taxed as the parent's income to prevent "income shifting."

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  • Grandparent-Settled Trusts: These rules do not apply to grandparents. Grandparents can often utilise their grandchildren's personal tax allowances, making these trusts highly income-tax efficient for school fees or long-term growth.

Essential Considerations for Success

1. Choosing Trustees: Select at least two reliable, organised individuals who will act in the best interests of the beneficiaries.

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2. Professional Advice: Trusts are subject to complex reporting requirements, including the HMRC Trust Registration Service (TRS).

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3. Letter of Wishes: This non-binding document provides guidance to your trustees on how you would like the funds to be used, such as prioritising education or a first home.


Several high-profile UK court cases in 2025 and 2026 have highlighted the complexities and potential for disputes within family trusts for children and grandchildren. These rulings often focus on modern family structures and the definition of terms like "child" or "issue."

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Ready to Protect Your Family's Future?

Contact our Estate Planning Specialists today for a confidential consultation tailored to your unique family dynamics.

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