Paying Trust Tax to HMRC: How the Process Works

We guide you through the practical steps trustees must take to register, report and pay what is due to HMRC. Many family trustees feel unsure about the process — especially when they’ve been appointed under a lifetime trust or a will trust and have never dealt with HMRC before. We explain it in straightforward terms so you can meet your obligations, protect the trust assets and honour the settlor’s wishes.

First, we set the scene: what trust taxation covers and why the correct approach depends on the type of trust — bare, interest in possession or discretionary — and any chargeable events that have occurred. Then we walk through the practical journey: registration on the Trust Registration Service (TRS), obtaining a Unique Taxpayer Reference (UTR), completing the SA900 trust tax return, and how to pay by bank transfer, direct debit or cheque.

We keep things practical. With a clear checklist and well-organised records, you can meet every deadline and avoid penalties. For a full overview of trustee duties see the government guidance on trustees’ responsibilities.

Key Takeaways

• All UK express trusts must be registered on the TRS — even many that have no tax liability.
• Work out income and gains for the tax year, then file the SA900 return if required.
• Use HMRC’s accepted payment methods and pay any amount due on time to avoid interest and penalties.
• Nominate a lead trustee to manage returns, correspondence and the online HMRC account.
• Deadlines matter — a £100 late filing penalty is just the start, and interest accrues daily on overdue amounts.

Understanding what “trust tax” means for UK trustees

Let’s break down the basics so you can see who does what and why the paperwork matters. A trust is not a separate legal entity — it is a legal arrangement where trustees hold assets on behalf of beneficiaries. England invented trust law over 800 years ago, and this distinction remains fundamental: the trust has no legal personality of its own, and the trustees are the legal owners. But HMRC still treats trusts as separate taxable “persons” for income tax and Capital Gains Tax purposes, which means trustees have their own reporting and payment obligations.

How the arrangement works: settlor, trustees, beneficiaries and trust assets

The settlor creates the trust and transfers property, savings or investments into it, setting out the rules in a trust deed. Trustees then hold legal ownership of the trust assets and manage them for the benefit of the named beneficiaries. A trust must have at least two trustees (or a corporate trustee), and the settlor can be one of them — which is common in family trusts and allows the settlor to remain involved in day-to-day decisions.

Beneficiary rights depend entirely on the type of trust created. In a bare trust, the beneficiary has an absolute right to the assets. In a discretionary trust — the most common type, making up roughly 98–99% of family trusts — no beneficiary has an automatic entitlement, and the trustees decide who gets what and when. This discretion is precisely what makes discretionary trusts so effective for asset protection.

Which taxes can apply

Three main taxes commonly affect trusts in England and Wales.

• Income tax — on bank interest, rental income, dividends or other investment returns received by the trust.
• Capital Gains Tax (CGT) — on disposals of trust assets such as property, shares or investments.
• Inheritance Tax (IHT) — on certain chargeable events, including creation of the trust (entry charge), ten-year anniversary periodic charges and exit charges when capital leaves a discretionary trust.

Why official oversight matters

HMRC requires trusts to be registered and for trustees to report income, gains and certain IHT events. This is not optional — it is a legal duty under the Money Laundering Regulations and tax legislation. A clear, year-round routine for record-keeping makes compliance straightforward rather than stressful.

Who is liable for which tax depends on the trust type. In some cases it falls squarely on the trustees; in others the beneficiary reports and pays. Getting this right from the start avoids nasty surprises, penalties and unnecessary correspondence with HMRC.

Identify your trust type before you calculate or pay anything

Start by confirming exactly what kind of trust you are dealing with. This is not an optional step — it is the foundation of every calculation that follows.

Why this matters: the trust type determines who pays the tax, which rates apply, which allowances are available and which forms you must file. Get the classification wrong and everything built on top of it will be wrong too. In England and Wales, the primary classification is whether a trust is a lifetime trust (created during the settlor’s life) or a will trust (arising on death). The secondary classification — bare, interest in possession or discretionary — determines how the trust operates and how it is taxed.

For a bare trust, the trustees hold legal title to the assets but the beneficiary is treated as the owner for income tax and CGT purposes. Under the principle established in Saunders v Vautier, once the beneficiary reaches 18 (16 in Scotland), they can collapse the trust and take the assets outright. This means the beneficiary reports the income and gains on their own personal tax return, using their own allowances and rates. Trustees of bare trusts generally do not need to file an SA900 unless HMRC specifically requests one. It is worth noting that bare trusts offer no IHT efficiency — the assets are treated as belonging to the beneficiary — and they cannot protect against care fees or divorce claims.

In an interest in possession trust, one person (the life tenant or income beneficiary) has a right to the trust income — or the use of a trust asset such as a property — as it arises. The life tenant is treated as receiving that income directly for tax purposes, even if the trustees technically handle the money first. They report and pay income tax on it through their own Self Assessment return. Post-March 2006 interest in possession trusts are generally treated as relevant property for IHT purposes, unless they qualify as an Immediate Post-Death Interest (IPDI) or a disabled person’s interest.

A discretionary trust gives trustees full discretion over distributions. No beneficiary has an automatic right to income or capital — this is what makes discretionary trusts so powerful for asset protection, care fee planning and family wealth preservation. However, income retained within a discretionary trust is taxed at the trust rate: currently 45% on non-dividend income and 39.35% on dividends. Discretionary trusts fall within the relevant property regime for IHT, meaning they face potential entry charges, ten-year periodic charges and exit charges. They can last for up to 125 years under the Perpetuities and Accumulations Act 2009.

• Check the trust deed first. The wording determines the classification — not what anyone assumes.
• Note who the beneficiaries are and whether any of them have an immediate right to income.
• If you are uncertain about the trust type, seek specialist advice early. Misclassifying the trust leads to filing the wrong return, using the wrong rates and potentially facing penalties.

For practical steps on accessing a beneficiary’s share, see our guide on how to access a trust fund.

Register the trust with HMRC using the Trust Registration Service (TRS)

Registration on the TRS is the practical first step every trustee must complete — and it is a legal requirement, not optional.

Since the implementation of the 5th Money Laundering Directive, virtually all UK express trusts must be registered on the TRS, including bare trusts and trusts that have no tax liability. This applies whether the trust was created during the settlor’s lifetime or under a will. The register is not publicly accessible (unlike Companies House), but HMRC and certain other authorities can access it for compliance purposes.

New trusts must be registered within 90 days of creation. Trustees must also update the TRS record within 90 days of any change to the trust’s details — whether that is a change of trustee, a new beneficiary being added, or a significant change in the trust assets.

• Gather the full names, dates of birth, addresses and National Insurance numbers for the settlor, all trustees and all beneficiaries (or classes of beneficiary for discretionary trusts).
• Have the trust deed to hand — you will need details about the trust type, date of creation and a description of the assets.
• Note who the lead trustee will be — this is the person who manages correspondence with HMRC on behalf of all the trustees.

Common triggers for a TRS update include a trustee retiring or being replaced, a beneficiary being added or removed, a change of address for any party, or the trust acquiring or disposing of significant assets.

Treat TRS registration as ongoing administration, not a one-off chore. Every time something changes, the clock starts ticking on another 90-day deadline.

Get the trust’s UTR and set up access for filing and payments

A clear UTR and the right online access make filing and payments far less stressful for trustees.

What a UTR does: the Unique Taxpayer Reference is a 10-digit number that identifies the trust to HMRC. It links the trust to its tax returns, correspondence and any payments made. HMRC issues the UTR after registration — either through the TRS process or by writing to the lead trustee. It typically arrives by post within a few weeks.

Without the UTR, you cannot file the SA900 Trust and Estate Tax Return or manage the trust’s online HMRC account. That leads to delays, missed deadlines and potentially penalties — all of which are avoidable with a bit of early preparation.

• Set up the trust’s HMRC online services account and nominate the lead trustee to manage it. If you use an accountant or tax adviser, authorise them as an agent so they can file on behalf of the trustees.
• Keep a dedicated folder — physical or digital — with the trust deed, UTR, TRS confirmation, trustee meeting minutes, distribution decisions and all income records.
• Record clearly who has authority to file returns and who can authorise payments. With multiple trustees, confusion over who does what is the most common cause of missed deadlines.

Good administration saves money. When you can see at a glance what is due and when, you can plan distributions without accidentally draining the trust’s funds or leaving insufficient cash to meet a tax bill. Strong records also protect beneficiaries by cutting delays, preventing mistakes and showing HMRC that the trust is run properly.

A tidy UTR file and well-organised records make every tax year easier to handle — and give you confidence if HMRC ever asks questions.

Work out the income tax due on trust income for the current tax year

Begin by gathering all receipts and statements so you can separate income types clearly. This is where many trustees make errors, so take your time.

Capture every income stream: bank interest, dividends, rental income and any other investment returns. Include small one-off receipts as well as regular income. Missing even a minor item can trigger an HMRC enquiry later if it shows up elsewhere in their systems.

How rates differ by trust type. The rates for the current tax year depend on the type of trust. For an interest in possession trust, the trustees pay at the basic rate: 20% on non-dividend income and 8.75% on dividend income. The life tenant then accounts for any higher or additional rate liability on their personal return. For a discretionary trust, trustees pay at the trust rate: 45% on non-dividend income and 39.35% on dividends.

The standard rate band. Trusts receive a standard rate band of £1,000. The first £1,000 of trust income is taxed at the basic rate (20% for non-dividend, 8.75% for dividends) before the higher trust rates apply to the remainder. However, if the same settlor has created multiple trusts, the £1,000 band is divided equally between them, with a minimum of £200 per trust. This prevents settlors from gaining a tax advantage by splitting assets across several trusts.

Common pitfalls include mixing up dividend and non-dividend figures, assuming the individual dividend allowance or personal savings allowance applies to trusts (they do not), and forgetting to deduct allowable trust management expenses before calculating the tax due.

Example: a discretionary family trust earns £2,000 in rental income and £300 in dividends during the tax year. The first £1,000 of the rental income falls within the standard rate band and is taxed at 20% (= £200). The remaining £1,000 of rental income is taxed at the trust rate of 45% (= £450). The £300 of dividends: none falls within the remaining standard rate band (already used on rental income), so it is taxed at 39.35% (= £118.05). Total tax due: £768.05. Keep the working papers clearly laid out so you can show exactly how each figure was calculated when completing the SA900.

Keep all calculations and supporting statements. Clear records support the return and make distributions simpler — both for the trustees and the beneficiaries who will need to complete their own tax returns based on R185 forms issued later.

Complete and submit the Trust and Estate Tax Return (SA900)

Filing the SA900 need not be a scramble if you prepare figures in good time throughout the year.

What to report: the SA900 requires trustees to declare all income received by the trust, any chargeable gains on disposals, allowable deductions (such as trust management expenses and professional fees), and details of any distributions made to beneficiaries during the tax year.

The recommended approach is straightforward. First, calculate totals for each income type and any capital gains. Then complete the return, ensuring income types are correctly categorised. Finally, check the tax calculation and arrange payment before the deadline.

• Paper filing deadline: 31 October following the end of the tax year (e.g., 31 October 2025 for the 2024/25 tax year).
• Online filing deadline: 31 January following the end of the tax year (e.g., 31 January 2026 for the 2024/25 tax year).

Do not leave filing to the final week of January. Missing bank statements, dividend vouchers or rental summaries can delay the return and risk an automatic £100 late filing penalty — with further penalties accumulating the longer you leave it. Additional supplementary pages may be needed for CGT (SA905), non-resident income or charitable sections.

Once you understand what the SA900 covers and build a routine for gathering records, it becomes a straightforward annual process rather than a last-minute panic.

Make your trust fund tax payment to HMRC: deadlines and payment methods

When the SA900 is complete, the next step is the practical act of arranging the funds and choosing how to pay what is owed. The payment deadline for income tax and CGT is 31 January following the end of the tax year — the same date as the online filing deadline.

Accepted methods are straightforward. You can use an online bank transfer (Faster Payments or BACS), set up a direct debit through your HMRC online account, or pay by cheque sent to HMRC’s banking address. For busy trustees, a bank transfer is usually the quickest option — funds typically clear the same or next working day. If paying by cheque, allow at least five working days for delivery and processing.

Practical tip: ring-fence the estimated tax amount in the trust’s bank account before making any discretionary distributions to beneficiaries. That way, there is always enough to cover the liability. Distributing too much and then scrambling to find cash for the tax bill — possibly forcing an untimely sale of trust assets — is a common and entirely avoidable mistake.

• File the SA900, note the tax calculation and confirm the amount due by 31 January.
• Reserve the required funds in the trust’s bank account.
• Choose bank transfer, direct debit or cheque and pay by the deadline. Keep the payment reference (UTR) clearly attached to the transaction.

Late payment attracts daily interest from the day after the due date, plus potential surcharges. HMRC charges interest at the Bank of England base rate plus 2.5%, and that interest is not deductible for tax purposes. A simple calendar reminder a few weeks before the deadline makes all the difference.

Issue beneficiary paperwork when you make distributions

Distributing trust income to a beneficiary is only half the job — proper paperwork completes it.

When trustees make income distributions from a discretionary trust, they must provide each beneficiary with a form R185 (Trust Income). This is a certificate showing how much income the beneficiary received and how much tax the trust has already paid on that income. It is not optional — the beneficiary needs it to complete their own Self Assessment return accurately.

Why this matters: without the R185, beneficiaries cannot claim back any overpaid tax. For example, a basic rate taxpayer receiving income from a discretionary trust that has already been taxed at 45% is entitled to reclaim the difference — but only if they have the R185 to prove what tax was paid. Without it, they are either out of pocket or filing incorrect returns.

What the R185 includes:

• The beneficiary’s name and the trust name or reference.
• The gross amount of the distribution (i.e., the income before trust tax was deducted).
• The amount of tax already paid by the trust on that income (the “tax credit”).
• The net amount actually paid to the beneficiary.

For discretionary trusts, the tax credit is at 45% (or 39.35% for dividend income). This credit is important because it represents tax the trust has already paid. When the beneficiary reports the gross income on their personal return, they offset this credit against their own liability. If their personal rate is lower than the trust rate, they get a refund. If higher (unusual, since the trust rate is already at the additional rate), they pay the difference.

Simple example: a discretionary trust earns £1,800 of rental income and distributes equally to three beneficiaries. Each beneficiary receives a net payment of £330 (i.e., £600 gross minus 45% tax of £270). The R185 for each shows: gross income £600, tax credit £270, net payment £330. The beneficiary declares £600 on their return and claims the £270 credit. A basic rate taxpayer (20%) would owe £120 on that £600 — but has already paid £270 via the trust, so they reclaim £150.

Keep copies of every R185 issued, with the date sent and the tax year it relates to. Beneficiaries often ask for copies months later when completing their own returns. A tidy record avoids frustration and keeps family relationships smooth.

How discretionary trusts can support inheritance tax planning

Handle Inheritance Tax events for trusts, including discretionary trust charges

IHT charges on trusts are event-driven and can seem complex, but the key moments are predictable. If you know what they are, you can plan for them.

Entry charge on creation. When a settlor transfers assets into a discretionary trust, this is a Chargeable Lifetime Transfer (CLT) — not a Potentially Exempt Transfer (PET). PETs only apply to outright gifts to individuals. If the value transferred exceeds the settlor’s available nil-rate band (currently £325,000, frozen since 2009 and confirmed frozen until at least April 2031), the excess is charged at 20% — the lifetime rate. Crucially, for most families transferring a property or savings into a trust, the value will fall within or close to the nil-rate band, meaning the entry charge is often zero. A married couple could each create a trust, sheltering up to £650,000 combined with no entry charge.

Example: a settlor transfers £400,000 into a discretionary trust, having made no previous CLTs. The nil-rate band is £325,000, so £75,000 is the excess. At 20%, the entry charge is £15,000. If the settlor dies within seven years, the CLT is reassessed at the full 40% death rate (with credit given for the 20% already paid). Taper relief may apply if the settlor dies between three and seven years after the transfer, but crucially, taper relief reduces the tax, not the value of the gift — and only applies where the cumulative value of gifts exceeds the nil-rate band. The taper relief rates are: 3–4 years: 20% reduction in the tax; 4–5 years: 40%; 5–6 years: 60%; 6–7 years: 80%. If the settlor survives the full seven years, the CLT still uses nil-rate band but ceases to affect the death estate calculation.

Ten-year periodic charges. Discretionary trusts within the relevant property regime face a periodic charge on each ten-year anniversary of the trust’s creation. The maximum rate is 6% of the trust property’s value above the available nil-rate band. In practice, for a family home trust where the property value remains below the nil-rate band, this charge is often zero. Even when there is a charge, 6% is the ceiling — the effective rate is frequently much lower.

Exit charges. When capital leaves a discretionary trust — for example, when trustees distribute assets to a beneficiary — an exit charge may apply. This is calculated proportionally based on the last periodic charge. The maximum is effectively a fraction of the 6% periodic rate. As Mike Pugh explains it: “10% of 6% is 0.6% — less than 1%.” If the periodic charge was nil, the exit charge will be nil too. There are important exceptions: no exit charge applies if capital is distributed within three months of the trust’s creation, and under a discretionary will trust, no exit charge applies if capital is distributed within two years of the testator’s death.

Reporting and payment. IHT on trust events is normally due six months after the end of the month in which the chargeable event occurred. Trustees report using form IHT100 and the relevant supplementary schedules. Late reporting and payment attract interest and penalties, so diarise ten-year anniversaries well in advance.

For practical guidance on protecting family assets and meeting your IHT reporting duties, see our secure your family’s future page.

Stay compliant year-round: records, updates and avoiding penalties

A year-round routine for bookkeeping and updates prevents last-minute panic and penalties. The best trustees build simple habits that keep them confident and beneficiaries protected.

• Bank statements and transaction logs for all trust bank accounts.
• Dividend vouchers, rental summaries and interest certificates from banks and building societies.
• Receipts for allowable expenses: professional fees, property maintenance, trustee insurance.
• Property valuations and records of any disposals (essential for CGT calculations). The trust CGT annual exempt amount is currently half the individual level — so currently around £1,500.
• A dated log of trustee decisions, meeting minutes and distribution records — this is your evidence that the trust is being administered properly.

Clear records reduce mistakes when completing the SA900 and other returns. They also make it straightforward to explain decisions to beneficiaries or to HMRC if questions arise.

Update the TRS within 90 days of any change to trustees, beneficiaries or other key details. This is an ongoing legal duty. Failing to update the TRS can result in penalties, and it also puts the trust at risk of falling out of compliance with the Money Laundering Regulations.

Stay aware of current tax rates and thresholds — they can change at each Budget. Using last year’s rates on this year’s return is an easy error to make, and it leads to underpayments, interest charges and potentially penalties. Pay particular attention when HMRC changes the standard rate band, the trust CGT annual exempt amount, or IHT thresholds. The nil-rate band, for example, has been frozen at £325,000 since 2009 — but that freeze is confirmed through to at least April 2031, which means it is eroded by inflation every single year. More ordinary families are being drawn into IHT simply because property values have risen while the threshold has not.

Complex situations — multiple trusts from the same settlor, mixed sources of income, property disposals triggering CGT, or approaching a ten-year periodic charge — increase the risk of errors. As Mike Pugh puts it: “The law — like medicine — is broad. You wouldn’t want your GP doing surgery.” If the numbers are getting complicated, bring in a specialist trust tax adviser or accountant. The cost of professional help is almost always less than the cost of getting it wrong.

For an overview of possible penalties and how advisers should approach compliance, see penalties guidance for agents and advisers.

Conclusion

Trust tax compliance in England and Wales follows a clear, repeatable route — and once you know the steps, it becomes manageable year after year.

Register or update the trust on the TRS within 90 days of creation or any change. Obtain the UTR and set up online access. Calculate income and gains for the tax year, applying the correct rates for the trust type. File the SA900 by the online deadline of 31 January and settle any amount due on the same date using bank transfer, direct debit or cheque.

Simple annual rhythm: calculate income and gains → file the SA900 → pay what is due → issue R185 forms to beneficiaries → keep records and update the TRS as needed.

Remember the key distinctions. A discretionary trust faces the higher trust rates (45% on non-dividend income), so always reserve cash for the tax bill before making distributions. An interest in possession trust passes the income tax liability to the life tenant, so trustees need to coordinate with the beneficiary. A bare trust means the beneficiary reports everything personally — the trustees’ role is purely administrative.

Final note: being a trustee does not require specialist qualifications, but it does require diligence, good records and a willingness to seek professional help when calculations become complex. As Mike Pugh says, “plan, don’t panic” — and if you are not sure, ask for help early rather than late. Trusts are not just for the rich — they are for the smart. Getting the tax side right is part of honouring that commitment to protecting your family’s wealth.