Offshore life insurance policies that combine protection with an investment element — most commonly universal life policies or offshore whole-of-life contracts — are among the more sophisticated planning tools available to internationally mobile individuals and high-net-worth investors. Their tax treatment is also among the more nuanced, and misunderstanding the rules can produce unexpected and costly outcomes.
This guide covers the key tax principles governing the investment element of offshore life policies, focusing on the UK tax framework while acknowledging that other jurisdictions apply their own rules. It addresses chargeable events, the five per cent withdrawal allowance, policy assignments, trust ownership, and HMRC's evolving approach to offshore structures.
How the Investment Element Grows: Tax Deferral
The fundamental tax advantage of an offshore life policy with an investment element is that growth within the policy wrapper is not subject to annual UK income tax or capital gains tax. This is sometimes described as "gross roll-up" — the policy fund grows on a gross basis, without the drag of annual tax on dividends, interest, or realised gains inside the fund.
This deferral is valuable over long holding periods. The compounding effect of reinvesting returns that would otherwise have been reduced by annual tax can be material over ten, twenty, or thirty years.
However, deferral is not exemption. UK tax will ultimately arise when a chargeable event occurs. The question is when, at what rate, and on what amount.
Chargeable Events
A chargeable event is a trigger that brings the investment gain within the charge to UK income tax. Common chargeable events include:
- Full surrender — the policy is terminated and proceeds are paid
- Maturity — the policy reaches its contractual end date (less common for whole-of-life structures)
- Death of the life assured — a claim is made
- Assignment for money or money's worth — the policy is sold or transferred in exchange for payment
- Exceeding the five per cent annual withdrawal allowance — the policyholder withdraws more than the cumulative allowed amount
When a chargeable event occurs, the insurer calculates the chargeable event gain — broadly the excess of what is received over what has been paid in premiums (with adjustments for previous withdrawals and any time apportionment for periods of non-UK residence).
The gain is treated as income in the tax year of the event and is subject to income tax at the marginal rate. It is not eligible for the annual CGT exemption, nor for the lower rates that apply to capital gains. This distinction matters: a large gain on an offshore policy is potentially taxable at 45% for additional rate taxpayers, not the 24% CGT rate applicable to many other investments.
The Five Per Cent Annual Withdrawal Allowance
UK qualifying offshore life policies permit the policyholder to withdraw up to five per cent of the total premiums paid in each policy year, on a cumulative basis, without triggering a chargeable event at the point of withdrawal. Any unused allowance carries forward.
This means a policyholder who paid £200,000 in premiums can withdraw up to £10,000 per year without immediate tax consequences. If they take nothing for five years, they can then withdraw up to £50,000 in year six without a chargeable event arising at that point.
The tax is not cancelled — it is deferred. When a full chargeable event eventually occurs (typically on surrender), the gain calculation will take account of all prior withdrawals. The five per cent allowance is a timing tool, not a permanent exemption.
Important caveat: not all offshore life products are structured as "UK qualifying policies" for this purpose. Whether the allowance applies depends on the structure and jurisdiction of the policy. Advisers and policyholders should confirm the position before planning withdrawals around the five per cent rule.
Top-Slicing Relief
Because a chargeable event gain is assessed as income in a single tax year, a large gain could push a policyholder into a higher tax band even if they would not otherwise be there. Top-slicing relief is designed to moderate this effect.
Top-slicing divides the gain by the number of complete years the policy has been in force (the "sliced" gain), assesses the tax on the sliced amount using the taxpayer's marginal rates, and then multiplies up. In practice, this can significantly reduce the effective rate of tax on a large gain — particularly where the policy has been held for many years.
Top-slicing relief is only available to UK resident taxpayers and the rules changed following a First-tier Tribunal decision in 2019. The calculation has become more complex. Professional advice is essential before triggering a large chargeable event.
Comparison with Offshore Bond Tax Treatment
Offshore investment bonds — distinct from offshore life policies — are also subject to chargeable event legislation in broadly similar ways: gross roll-up, five per cent withdrawal allowance (where qualifying), and income tax on gains at a chargeable event. The similarities cause confusion.
The key distinctions are:
- Protection element. A life policy includes genuine life assurance and must meet regulatory minimum death benefit requirements. An offshore bond may be purely an investment wrapper.
- Death benefit treatment. The death benefit on a life policy is typically free of chargeable event rules (for qualifying policies), whereas death of the life assured can be a chargeable event on an offshore bond.
- IHT treatment. A life policy held in trust may fall outside the estate for IHT purposes. An offshore bond does not automatically achieve this.
In practice, the lines blur for many universal life products, which contain a significant investment accumulation element alongside a contractual death benefit. Classification matters for tax purposes and should be confirmed for each product.
Policy Assignments
Assigning a life policy for money or money's worth — for example, selling it to a third party — triggers a chargeable event. The assignor (original policyholder) is assessed to income tax on the gain at that point.
Gratuitous assignments — those made as a gift, without money changing hands — generally do not trigger a chargeable event at the point of assignment. However, when the assignee subsequently surrenders or otherwise triggers a chargeable event, the gain assessment may be based on the original cost to the assignor, not the value at the date of assignment. This can produce unexpected gains in the hands of the assignee.
Assignments in connection with a divorce settlement require particular care, as the circumstances may or may not constitute an assignment for money's worth depending on the structure of the settlement.
Trust Ownership and Tax
Placing an offshore life policy in trust is a common estate planning technique to ensure that proceeds fall outside the taxable estate on death. However, the interaction between trust ownership and chargeable event legislation is complex.
Settlor-interested trust rules. If the settlor (the person who established the trust and whose life the policy is on) can benefit from the trust, HMRC treats the chargeable event gain as arising to the settlor personally for income tax purposes — regardless of who technically owns the policy. This is intended to prevent individuals from sheltering investment gains in trusts ostensibly for others.
Internationally mobile settlors and the FIG regime. The position is different — and potentially more favourable — for recent arrivers to the UK. From 6 April 2025, the remittance basis and the concept of domicile for tax purposes were abolished and replaced by a four-year Foreign Income and Gains (FIG) regime for new UK residents who have been non-resident for the previous ten years, with the UK moving to a residence-based system for inheritance tax. The treatment of offshore trust income and gains under these rules is a highly specialised area that requires individual advice.
Trust IHT. Transferring a policy into a discretionary trust may constitute a chargeable lifetime transfer for IHT purposes, depending on the policy value. The ongoing periodic and exit charges that apply to discretionary trusts also need to be considered in any planning exercise.
HMRC's Approach to Offshore Policies
HMRC has over recent years increased its scrutiny of offshore life policies used as investment vehicles, particularly where the policies have minimal genuine insurance element and function primarily as tax-deferred investment wrappers. The Common Reporting Standard (CRS) and other information-exchange frameworks mean that HMRC receives information about offshore policy values and transactions from most major jurisdictions.
Arrangements that appear primarily motivated by tax deferral and avoidance, rather than genuine protection or estate planning needs, carry regulatory risk. Products and structures should be commercially justified on their merits, not solely as tax planning vehicles.
This guide is for general information only. Tax law is complex and changes frequently. The tax treatment of any specific policy depends on the policy terms, the policyholder's tax residency, domicile, and individual circumstances. This is not tax advice. You should obtain independent specialist tax advice before investing in, surrendering, assigning, or placing in trust any life policy with an investment element.
How Global Investments can help
Global Investments works with tax specialists and independent financial advisers across multiple jurisdictions to help internationally mobile clients structure offshore life policies in a way that is efficient, compliant, and suited to their estate planning objectives. With over 32 years of experience in cross-border financial planning, we understand both the opportunities and the risks that the tax treatment of offshore life insurance presents.
Contact us to discuss your current arrangements or to explore how an offshore life policy with an investment element might fit your overall financial plan.
Frequently Asked Questions
Is growth inside an offshore life policy taxed each year?
No. Growth within an offshore life policy is not subject to annual income tax or capital gains tax in the UK. Tax is deferred until a chargeable event occurs, such as surrender, maturity, or exceeding the five per cent annual withdrawal allowance.
What is a chargeable event gain?
A chargeable event gain arises when a policy is surrendered, matures, a death claim is made, or the policyholder exceeds their cumulative five per cent annual withdrawal allowance. The gain is the profit element of the proceeds or withdrawal and is subject to income tax — not capital gains tax — in the year of the event.
Can I use top-slicing relief on a chargeable event gain?
UK resident policyholders may be eligible for top-slicing relief, which divides the gain by the number of complete policy years to reduce the rate of income tax payable. This can be significant for large gains where the full amount in one year would push into the additional rate band.
How does trust ownership affect the tax treatment of an offshore policy?
If the policy is held in a trust, the policyholder (settlor) may still be subject to tax on chargeable event gains under settlor-interested trust rules. The position can differ for individuals taxed under the four-year Foreign Income and Gains (FIG) regime that replaced the non-domicile and remittance-basis rules from 6 April 2025, depending on their residence status. Professional advice is essential before placing a policy in trust.
Does the five per cent rule apply to universal life policies?
The five per cent annual tax-deferred withdrawal allowance applies to UK qualifying offshore policies. Not all international life products qualify. The specific structure and jurisdiction of the policy determines whether the allowance applies. Always confirm with your adviser.
This guide is for general information only and does not constitute financial or insurance advice. Policy terms, premium rates, and insurer eligibility criteria change — always verify current terms with a qualified independent adviser before taking out any policy.