What is the ten-year anniversary charge on a discretionary trust?

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The ten-year anniversary charge is a distinctive feature of how most discretionary trusts are taxed for Inheritance Tax purposes, reflecting the fact that assets held in this type of trust sit outside any individual beneficiary's estate, requiring a separate periodic charging mechanism instead. **Why trusts need their own charging structure** Assets held in a discretionary trust are not owned by any specific beneficiary -- the trustees hold and manage them at their discretion for the benefit of a class of potential beneficiaries. Because Inheritance Tax normally taxes assets on an individual's death, a different mechanism is needed to tax wealth that sits inside a trust structure indefinitely, potentially for many decades, without a specific individual's death ever being the trigger. **How the periodic charge is calculated** Every ten years from the date the trust was set up, the trustees must calculate a charge based on the value of the trust's relevant assets at that ten-year point, less the current nil rate band (£325,000) and taking into account certain other factors such as the settlor's cumulative chargeable transfers in the seven years before the trust was created. The maximum possible effective rate is 6% of the value above the available nil rate band, though the actual rate is often lower once various reliefs and calculations are applied, and can be nil if the trust's assets are within the available nil rate band. **The exit charge -- when assets leave the trust** A related but separate charge, the 'exit charge' or 'proportionate charge', applies when assets are distributed out of the trust to a beneficiary between ten-year anniversaries, calculated proportionately based on how much time has passed since the last (or the trust's creation, if within the first ten years) periodic charge, at up to the same maximum effective 6% rate, prorated for the number of complete quarters since the last charging point. **Which trusts are affected** The periodic and exit charge regime applies broadly to 'relevant property trusts', which covers most modern discretionary trusts, but does not apply in the same way to certain other trust types with different tax treatment, such as some trusts for disabled beneficiaries, bereaved minors' trusts, or certain older trusts set up before specific legislative changes -- the exact trust type and its date and terms of creation need to be checked to confirm which regime applies. **Why trustees need to actively plan for this** Because the periodic charge can create a real tax liability every ten years, trustees of larger discretionary trusts often need to plan in advance for how the charge will be paid -- for example, ensuring sufficient liquid assets are available within the trust, or considering appointing some assets out to beneficiaries before a ten-year anniversary if this would reduce the overall charge, always balanced against the trust's other purposes and the settlor's original wishes. **Worked example** A discretionary trust set up ten years ago with investments now worth £725,000 (having grown from an initial £400,000) reaches its first ten-year anniversary. After deducting the available £325,000 nil rate band, £400,000 of the trust's value is potentially chargeable, taxed at up to the maximum effective rate of 6%, giving a potential periodic charge of up to £24,000 -- the trustees need to ensure sufficient funds are available within the trust to pay this charge when it falls due. **Practical tip** If you are a trustee of a discretionary trust, mark the ten-year anniversary dates clearly in advance and take specialist advice on calculating the periodic charge in good time, since the calculation involves several variables (including the settlor's history of chargeable transfers) that are easy to get wrong without proper professional input.

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