This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Detailed explanation of what a life interest trust is in England and Wales, how it works, why it is used in estate planning, its legal terms, tax implications, and key steps for including one in a will, written clearly for non‑specialists and solicitors alike.
A life interest trust (sometimes called an interest in possession trust when the interest relates to income or use of an asset) is a legal structure frequently used in wills and estate planning in England and Wales. It allows a person to benefit from certain assets during their lifetime without owning the assets outright, while preserving the underlying capital for other beneficiaries after their death. This article explains what a life interest trust is, how it works, why people use it, legal and tax implications, and key practical considerations.
What Is a Life Interest Trust?
A life interest trust is a trust under which a person - known as the life tenant - has a legally enforceable right to benefit from certain assets during their lifetime. The assets are held on trust by trustees, who manage them in accordance with the trust terms. When the life tenant dies, the trust ends and the remaining assets pass to other beneficiaries known as remaindermen.
In practice, this means the life tenant might receive:
- Income produced by the trust (for example, interest, rent or dividends).
- The right to live in a property held in trust, often rent‑free.
The life tenant does not have ownership of the underlying capital. This remains protected for the remaindermen, who are usually named in the will.
Key Terms and Roles
Before exploring how life interest trusts operate, it is important to understand the basic terms:
- Settlor: The person who creates the trust. In will planning, this is the person making the will.
- Trustees: The individuals or professionals who hold and manage the assets for the benefit of the beneficiaries.
- Life Tenant: The person entitled to benefit from assets during their lifetime.
- Remaindermen: The beneficiaries who will receive the capital on the death of the life tenant.
How a Life Interest Trust Works
A life interest trust is commonly created by including specific trust provisions in a will. When the settlor dies, the assets specified in the will are transferred into the trust. The life tenant then receives the benefits outlined in the trust terms, typically for the rest of their life. The trustees manage the trust and make sure that income or use rights are delivered according to the trust document.
Example: A testator leaves their home in a life interest trust for their spouse. The spouse (life tenant) can live in the property for life. After the spouse dies, the property passes to the testator's children (remaindermen).
Life interest trusts can also transfer other types of assets, such as investments or savings, allowing the life tenant to receive income generated by those assets.
Why Use a Life Interest Trust?
Life interest trusts serve several practical purposes in estate planning:
Providing for a Surviving Spouse or Partner
A life interest trust can ensure that a surviving spouse or partner receives financial support during their lifetime without being able to dispose of the trust capital. This can be particularly useful in circumstances involving second marriages or blended families, where the settlor wants to protect the interests of children from a previous relationship.
Protecting Assets
By placing assets into a life interest trust, the settlor can ring‑fence them so that they are not owned outright by the life tenant. This can help protect those assets against future claims, such as from a new spouse on remarriage, or from care home fee assessments in some cases.
Preserving Capital for Future Generations
Life interest trusts allow the capital to pass directly to chosen beneficiaries, such as children or grandchildren, as set out in the will. The life tenant benefits during their life, but the capital itself remains preserved for those later beneficiaries.
Tax Considerations and Legal Obligations
Life interest trusts have specific implications for tax and legal compliance:
Inheritance Tax (IHT)
- Assets placed into a life interest trust under a will are subject to IHT treatment on the first death, but can then benefit from being outside the life tenant's estate for subsequent IHT assessments, depending on timing and trust terms.
- The value of the trust assets may still be counted as part of the life tenant's estate for IHT on their death, particularly for life interest trusts created in wills.
Trust Registration
Life interest trusts usually need to be registered with HMRC's Trust Registration Service (TRS) if they continue beyond two years after the settlor's death or if they have a UK tax liability (for example, they produce taxable income). Trustees should seek clarity on registration requirements soon after the trust is established.
Tax on Income and Capital Gains
Trustees may be liable for income tax on income retained in trust and capital gains tax (CGT) on disposals of trust assets, with rates and exemptions depending on the type of asset and dates of creation. Professional advice is essential to ensure compliance.
Practical Steps When Including a Life Interest Trust in a Will
Creating a valid and effective life interest trust requires a structured approach:
- Review Your Objectives: Decide why you want a life interest trust and who will benefit as life tenant and remaindermen.
- Draft Clear Trust Terms: The will should clearly specify the trust terms, including the extent of the life tenant's benefits and the method of ultimate asset distribution.
- Appoint Trustees: Appoint trustees with appropriate experience and capacity to manage the trust assets and comply with legal duties.
- Consider Tax and Registration: Assess the trust's taxation position and trust registration obligations with HMRC.
- Seek Professional Advice: Trusts involve complex legal and tax rules, so obtaining specialist legal advice enhances certainty and compliance.
Common Questions About Life Interest Trusts
Can a life interest trust include any assets?
Yes. Property, cash and investment assets can be placed into a life interest trust as long as the trust terms and will are properly drafted.
Does the life tenant own the property?
No. The life tenant has rights to benefit from the trust (such as income or use) during life but does not own the underlying capital or property.
What happens on the death of the life tenant?
On the life tenant's death, the trust usually terminates and the remaining assets pass to the remaindermen according to the will's terms.
Key Takeaways
A life interest trust is an estate planning tool that allows an individual to benefit from assets during their lifetime without owning them outright. Typically created in wills, life interest trusts are used to protect assets, provide for spouses or partners, and ensure capital passes according to the settlor's long‑term wishes. They involve trustees who must manage the trust in line with legal and tax duties. Understanding the structure, tax implications, and registration requirements is essential when considering a life interest trust in England and Wales.
