What to Do After Setting Up a Family Trust in the UK: Your Post-Trust Checklist

After setting up a family trust in the UK, there are several immediate actions you must take. Within the first 30 days: register the trust with HMRC's Trust Registration Service (TRS), open a dedicated trust bank account, formally transfer assets into the trust, update any affected insurance policies, and notify relevant parties of the trust's existence. Ongoing, trustees must keep annual accounts, hold regular trustee meetings with minutes, maintain accurate records, and conduct a formal annual review of the trust's structure and beneficiaries. A trust is a living legal structure — what you do after it is set up determines whether it actually protects what you've built.

Why the Post-Setup Phase Matters as Much as the Setup Itself

Most people focus all their attention on creating the family discretionary trust — understandably. The Trust Deed, the Letter of Wishes, the decision about who the trustees and beneficiaries will be. These are significant decisions, and getting them right matters enormously.

But the trust only works if it is properly administered after it is created.

A Trust Deed sitting in a drawer, with no HMRC registration, no trust bank account, no assets formally transferred, and no trustee meetings on record, is not a functioning trust. Legally, it may exist — but practically, it provides none of the protections it was designed to deliver. Worse, in the event of a dispute, a tax investigation, or a challenge from a creditor, an improperly administered trust is far more vulnerable than one that has been maintained correctly from day one.

The good news: the post-setup requirements are not complicated. They require attention and consistency, not specialist knowledge. This checklist covers everything you need to do — immediately after setup, and in the years that follow.

Immediate Actions — Your First 30 Days

Register with HMRC's Trust Registration Service

Since 2022, almost all UK trusts must be registered with HMRC's Trust Registration Service (TRS) — including trusts with no immediate tax liability. This is not optional.

You will need to provide:

• The trust name (as stated in your Trust Deed)
• The date the trust was established
• Details of the settlor (the person who created the trust)
• Details of each trustee, including full name, address, and National Insurance number
• Details of the class of beneficiaries

Registration should be completed as soon as your Trust Deed is signed, and no later than 90 days after the trust is created. HMRC can issue financial penalties for late or missing registrations.

The TRS register is not publicly accessible — it is a compliance register held by HMRC, not a public-facing database.

Open a Dedicated Trust Bank Account

Trust assets must be kept completely separate from your personal finances. This is not a formality — it is a legal requirement and a practical necessity.

A dedicated trust bank account:

• Provides a clear audit trail of trust income and expenditure
• Prevents assets from being treated as personally owned (which would undermine the trust's legal structure)
• Simplifies the preparation of annual trust accounts
• Demonstrates to HMRC, and to any future claimants, that the trust has been genuinely operated as a separate entity

Most high-street banks offer trust accounts, though the application process can take several weeks. You will need your Trust Deed and the personal identification documents of the trustees to open the account.

Formally Transfer Assets into the Trust

The Trust Deed creates the legal structure. Assets only become trust assets when they are formally transferred into it.

Cash: transfer the intended amount from your personal account into the trust bank account, with a clear written record of the transfer referencing the trust name.

Property: legal title must be transferred to the trustees. This involves a formal deed of transfer and registration with HM Land Registry. Stamp Duty Land Tax (SDLT) may be payable depending on the property value and whether there is an existing mortgage.

Shares and investments: transfers must be recorded using a stock transfer form and updated in the company's share register. The trustees' names should appear as registered holders.

Important: until the asset is formally transferred, it is not in the trust. It remains part of your personal estate and is exposed to personal creditors, IHT, and probate.

Update Your Insurance Policies

If you are placing property or other assets into the trust, check your insurance arrangements. Policies written in your personal name may not automatically cover assets now held by trustees. Notify your insurer of the change in ownership and update policies to reflect the trust as the legal owner.

This is a detail that families routinely overlook — and discover at the worst possible moment.

Notify Relevant Parties

Depending on the assets involved, you may need to notify:

• Your bank or mortgage lender (if trust property has a mortgage)
• Your accountant or tax adviser (to ensure the trust is included in future tax planning)
• Your solicitor (if the trust interacts with your will or LPA)
• Any company registrar (if shares are being transferred)

A clear paper trail from the outset protects the trust's integrity and prevents confusion later.

Ongoing Trustee Responsibilities

Running a trust is an ongoing legal responsibility. Trustees are not passive custodians — they have active duties that continue for the life of the trust.

Annual Trust Accounts

Trustees must maintain proper accounts of the trust's assets, income, and expenditure. At a minimum this means:

• A record of assets held by the trust and their value
• A record of all income received (interest, dividends, rental income)
• A record of all expenditure (including distributions to beneficiaries)
• A record of any changes in trust assets

For trusts with taxable income or gains, self-assessment tax returns must be filed with HMRC. Even trusts without tax liabilities should maintain clean financial records — the absence of records is a red flag in any dispute or investigation.

Regular Trustee Meetings

Trustees should meet regularly — at minimum annually — to review the trust's affairs, consider whether any distributions are appropriate, and make any decisions required by the trust's activities. For a family trust that is primarily holding assets rather than actively trading, an annual review meeting will suffice in most years.

Decisions Documented in Trustee Minutes

Every significant trustee decision must be documented in writing. This includes:

• Decisions about distributions to beneficiaries
• Changes to the trust's investment strategy
• Decisions to add or remove assets
• Appointments or retirements of trustees
• Any exercise of a power contained in the Trust Deed

Trustee minutes do not need to be elaborate. They should record the date, attendees, the matter discussed, and the decision reached. Undocumented trustee decisions create legal and tax risk — if a distribution cannot be documented as a formal trustee decision, HMRC may challenge its treatment.

Record-Keeping

Maintain a comprehensive trust file containing:

• The original signed Trust Deed
• The Letter of Wishes (and any updates to it)
• The TRS registration confirmation
• All trustee meeting minutes
• Annual accounts and tax filings
• Records of all asset transfers in and out
• Copies of all correspondence relating to the trust

This file should be kept securely and each trustee should know where it is. In the event of a trustee dying or retiring, the file must be handed over to the successor trustees.

Your Annual Review Checklist

Once a year — and after any significant life event — work through the following checklist:

Re-read your Letter of Wishes. Your circumstances change. The guidance you gave your trustees five years ago may not reflect how you feel today. Update the Letter of Wishes to ensure it remains current and accurately reflects your intentions.

Review the named beneficiaries. Are the right people named? Have any beneficiaries died? Have any new family members (grandchildren, for example) been born who should be included?

Review assets held in trust. Are the trust's assets appropriate for its purpose? Have property values changed significantly? Are any assets no longer generating value? Does the trust's investment strategy still reflect the trustees' objectives?

Confirm trustees are still appropriate. Are all trustees still willing and able to act? Has any trustee's personal circumstances changed (a move abroad, a divorce, a change in their financial position) in a way that affects their suitability?

Check the TRS registration is current. Any change in trustees, beneficiaries, or trust assets must be reported to HMRC's Trust Registration Service within 90 days.

Consider whether the trust structure still fits your overall plan. Laws change. Family circumstances change. A trust set up a decade ago should be reviewed to ensure it is still fit for purpose — particularly in light of any changes to IHT thresholds, reporting requirements, or the family's asset base.

When to Update Your Documents

Your trust documents — the Trust Deed and, particularly, the Letter of Wishes — should be reviewed and potentially updated when any of the following occur:

Birth of a child or grandchild. A new family member may need to be included in the class of beneficiaries, or your Letter of Wishes may need to be updated to address how the trust should treat the new beneficiary.

Death of a trustee or beneficiary. The trust continues, but the remaining trustees must ensure the Register is updated, any replacement trustee appointment is formally documented, and the trust's affairs are reviewed.

Marriage or divorce of a beneficiary. A beneficiary going through a divorce does not automatically expose trust assets — the trustees' discretion remains intact — but it is worth reviewing your Letter of Wishes to ensure it provides clear guidance to trustees in these circumstances.

Significant change in assets. A major property purchase, a business sale, or a large inheritance should trigger a review of the trust's structure and whether additional assets should be brought in.

Changes in law. Tax legislation, trust law, and HMRC guidance change. The April 2027 changes to IHT reporting requirements for trusts are a recent example. Staying informed — and ensuring your documents reflect current law — is part of responsible trust management.

Your Trust Is a Living Document — Keep It Protected

A family trust, properly set up and properly maintained, is one of the most powerful tools available to UK families. It shelters assets from inheritance tax. It protects beneficiaries from creditors and divorce. It ensures your wealth reaches the people you intend it to reach, without the delay and cost of probate.

But it only delivers those benefits if it is kept current.

Laws change, and your documents need to reflect those changes. Life changes, and your Letter of Wishes needs to keep pace. Trustees retire and new ones are appointed. Beneficiaries are born. Assets move in and out. Every change needs to be documented, registered, and reviewed.

This is exactly what Vault membership is designed for. Your trust is a living document. Laws change, circumstances change. Vault membership keeps you protected year-round — with updated templates whenever legislation shifts, notifications when HMRC guidance changes, and the resources to manage your trust confidently in the years ahead.

Frequently Asked Questions

Do I need to register my family trust with HMRC?

Yes. Since 2022, almost all UK trusts must be registered with HMRC via the Trust Registration Service (TRS), including trusts that have no tax liability. Failure to register, or to keep the registration up to date, can result in financial penalties. Register as soon as your Trust Deed is signed.

What are the annual responsibilities of a trustee in the UK?

Trustees must keep annual accounts, hold regular trustee meetings and minute the decisions made, file self-assessment returns if the trust has income or gains, update the TRS whenever there is a relevant change, and conduct a formal annual review of the trust's assets and structure.

How often should I review my family trust?

At minimum once a year as a formal review. You should also review immediately after any significant life event — a birth, death, marriage, divorce, or major change in the family's financial or legal position.

What happens if a trustee dies or wants to retire?

A trustee can retire or be replaced under the Trustee Act 1925. Remaining trustees (provided there are at least two) can appoint a new trustee by Deed. The appointment and retirement must be formally documented and the TRS registration updated.

Can I add assets to a family trust after it's set up?

Yes. Assets can be added at any time after the trust is established. Each addition should be formally documented, and you should consider the inheritance tax position of each addition — particularly if you are adding assets that may take the total above the nil-rate band.

What's the difference between a trustee and a beneficiary?

A trustee holds legal title to trust assets and manages the trust in accordance with the Trust Deed. A beneficiary is a person who can benefit from the trust. In a discretionary trust, beneficiaries have no automatic right to any specific distribution — the trustees exercise their discretion over who receives what and when.

See also: family discretionary trust UK guide — everything you need to know before setting up your trust — and inheritance tax UK planning to understand how your trust fits into your wider IHT strategy.

Heirs & Order™ provides document preparation services for informational purposes only. Heirs & Order™ is not a law firm. This is not legal advice. We recommend all documents are reviewed by a qualified solicitor before use.