Are ISAs Exempt from Inheritance Tax in the UK?

Last reviewed: 24 May 2026 by the MP Estate Planning editorial team. Jurisdiction: England and Wales. Scotland and Northern Ireland have different probate and intestacy rules; the IHT thresholds are UK-wide.

Protecting your estate from unnecessary Inheritance Tax is a concern for many British homeowners. We understand the importance of safeguarding your legacy and providing for your family’s future.

Money held in ISAs does not enjoy any special exemption from Inheritance Tax (IHT), but that doesn’t mean the tax will be due if you pass on ISA money after death. We will explore whether ISAs are exempt from inheritance tax in the UK and provide guidance on how to safeguard your legacy.

Key Takeaways

• ISAs do not have special exemption from Inheritance Tax.
• Passing on ISA money after death may not necessarily incur IHT.
• Understanding the basics of Inheritance Tax is crucial for estate planning.
• We can help you protect your estate and provide guidance on ISA inheritance tax.
• Fill out our contact form or call us to book a call with our specialists.

Understanding Inheritance Tax Overview

The UK’s inheritance tax system can be daunting, but we’re here to break it down for you. Inheritance Tax (IHT) is a tax payable on the value of a deceased person’s estate, which includes money, possessions, and property.

What is Inheritance Tax?

Inheritance tax is levied on the estate of someone who has passed away, including all their assets, gifts given in the last seven years, and certain other assets they had an interest in. The tax is usually paid by the executors of the estate before the assets are distributed to the beneficiaries.

Who Pays Inheritance Tax?

Not everyone pays inheritance tax. The tax is only applicable if the total value of the estate exceeds the nil-rate band, which is currently set at £325,000 (gov.uk — Inheritance Tax). Even then, the tax is only paid on the amount above this threshold. Additionally, if you leave your estate to your spouse, civil partner, or a charity, it’s usually exempt from IHT.

Current Inheritance Tax Rates in the UK

The current rate of inheritance tax is 40% on the value of the estate above the nil-rate band. However, if you leave 10% or more of your estate to charity, the rate is reduced to 36%. Understanding these rates is crucial for effective estate planning.

Understanding the intricacies of inheritance tax is essential for protecting your estate and ensuring that your loved ones are not burdened with unnecessary tax liabilities. By grasping the basics of IHT, you can make informed decisions about your estate planning.

What Are ISAs?

ISAs offer a tax-efficient way to save or invest money. Individual Savings Accounts, commonly known as ISAs, are a popular financial product in the UK, allowing individuals to save or invest without paying income or capital gains tax on the returns.

Types of ISAs Explained

There are several types of ISAs available, each catering to different savings needs and investment preferences.

• Cash ISAs: Similar to regular savings accounts but with outside the scope of IHT interest.
• Stocks and Shares ISAs: Allow investment in stocks, bonds, and other securities with outside the scope of IHT returns.
• Innovative Finance ISAs: Enable lending to individuals or small businesses through peer-to-peer platforms, with outside the scope of IHT returns.
• Lifetime ISAs: Designed for first-time homebuyers or retirement savings, offering government bonuses.

Contribution Limits

The UK government sets annual contribution limits for ISAs. For the tax year 2022/23, the limit is £20,000. This means you can save or invest up to £20,000 across different types of ISAs in a single tax year.

Benefits of Holding ISAs

Holding an ISA can provide several benefits, including outside the scope of IHT returns and flexibility in savings options.

• Tax Efficiency: ISAs are exempt from income and capital gains tax.
• Flexibility: Various types of ISAs allow for different investment strategies.
• Government Bonuses: Lifetime ISAs receive a government bonus for eligible purposes.

Understanding the different types of ISAs and their benefits can help you make informed decisions about your savings and investments. By leveraging ISAs effectively, you can optimize your financial planning and potentially reduce your inheritance tax liability.

The Tax Treatment of ISAs upon Death

Understanding the tax implications of ISAs after the owner’s death is crucial for effective estate planning. When you pass away, your ISA becomes part of your estate and is treated similarly to other savings, investments, and assets.

Are ISAs Inherited outside the scope of IHT?

In the UK, ISAs are generally considered tax-efficient savings vehicles. However, upon death, the tax treatment can be complex. The good news is that the income and gains from ISAs are usually free from Income Tax and Capital Gains Tax. Nevertheless, ISAs are included in the estate for Inheritance Tax (IHT) purposes.

If you’re a spouse or civil partner, you don’t have to pay IHT due to the spouse exemption rule. This means that if you inherit an ISA from your spouse, it typically passes to you without incurring IHT.

Key Considerations for ISA Inheritance:

• The ISA’s value is included in the deceased’s estate for IHT purposes.
• Spouse or civil partner exemption applies, making the transfer IHT-free.
• Beneficiaries other than spouses or civil partners may face IHT liabilities.

The Role of the ISA Beneficiary

The beneficiary of an ISA plays a crucial role in managing the inheritance. They need to understand their options and the tax implications of their decisions. Beneficiaries can typically choose to:

1. Cash in the ISA, potentially facing tax on the gains if not exempt.
2. Transfer the ISA to their name, if eligible, to continue benefiting from the tax advantages.
3. Leave the ISA as is, if possible, to maintain its tax status.

Treatment of Joint ISAs

Joint ISAs are treated differently upon the death of one account holder. Typically, the surviving account holder can benefit from the ‘survivor’s rights,’ allowing them to inherit the deceased’s ISA holdings without affecting their own ISA allowance.

It’s essential to review your ISA holdings and overall estate plan to ensure that your beneficiaries are protected and aware of the tax implications. Consulting with a financial advisor or tax specialist can provide personalized guidance tailored to your circumstances.

Saving You Money: The Importance of Planning

Effective planning is crucial to minimising inheritance tax and securing your family’s financial future. We understand that navigating the complexities of inheritance tax can be daunting, but with the right strategies, you can significantly reduce the tax burden on your loved ones.

Strategies to Minimise Inheritance Tax

To minimise inheritance tax, it’s essential to utilise available allowances and reliefs. Some effective strategies include:

• Using the nil-rate band and residence nil-rate band to reduce your taxable estate.
• Gifting assets before death to reduce the value of your estate.
• Utilising trusts to manage and protect your assets.

For more detailed information on protecting your ISAs from inheritance tax, you can visit Fidelity’s guide.

How ISAs Fit into Your Estate Plan

ISAs are an attractive option for savers due to their outside the scope of IHT status. When planning your estate, it’s crucial to understand how ISAs are treated upon death. Generally, ISAs are considered part of your estate for inheritance tax purposes, but they are passed to beneficiaries outside the scope of IHT.

Incorporating ISAs into your estate plan can provide several benefits, including:

1. Tax-efficient savings for your beneficiaries.
2. Flexibility in managing your estate’s tax liability.
3. Potential to reduce the overall inheritance tax burden.

By understanding the role of ISAs in your estate plan and implementing strategies to minimise inheritance tax, you can ensure that your loved ones receive the maximum benefit from your estate.

The Impact of the “Additional Permitted Subscription”

In the UK, surviving spouses or civil partners can inherit ISA benefits through the ‘Additional Permitted Subscription’ rule, potentially reducing their inheritance tax liability.

What is an Additional Permitted Subscription?

An Additional Permitted Subscription (APS) allows a surviving spouse or civil partner to inherit the ISA tax benefits of their deceased partner. This means they can contribute to their own ISA with the value of the deceased’s ISA, without it counting towards their annual ISA allowance.

Key Benefits of APS:

• Allows the surviving spouse to maintain the outside the scope of IHT status of the ISA.
• Provides an opportunity to boost the surviving spouse’s own ISA savings.
• Helps in minimising inheritance tax liability.

Eligibility Requirements

To be eligible for an APS, the surviving spouse or civil partner must have been living with the deceased at the time of their death. The ISA must have been in the deceased’s name, and the surviving spouse must inherit the ISA either directly or through a trust.

How it Works for Surviving Spouses

When a spouse or civil partner dies, the surviving individual can inherit their ISA and benefit from the APS. This allows them to subscribe to an ISA with the value of the deceased’s ISA, in addition to their own annual ISA allowance.

For example, if the deceased had an ISA worth £40,000, the surviving spouse could potentially add £40,000 to their own ISA, in addition to their annual allowance, thereby maintaining the outside the scope of IHT status of the inherited ISA.

As stated by HMRC, “The Additional Permitted Subscription (APS) allowance is the value of a deceased person’s ISAs, which a surviving spouse or civil partner can use to make an additional permitted subscription.”

“The Additional Permitted Subscription is a valuable benefit for surviving spouses, allowing them to maintain the tax efficiency of their deceased partner’s ISA.”

By understanding and utilising the Additional Permitted Subscription, surviving spouses can make informed decisions about their ISA allowances and potentially reduce their inheritance tax liability.

Common Misconceptions about ISAs and Inheritance Tax

The notion that ISAs are free from inheritance tax is a common myth that requires debunking. Many individuals believe that because ISAs are outside the scope of IHT during their lifetime, they are also exempt from inheritance tax upon death. However, this is not entirely accurate.

Debunking Myths about ISAs

Let’s address some common misconceptions:

• ISAs are not subject to income or capital gains tax during the holder’s lifetime, but this does not mean they are exempt from inheritance tax.
• Inheritance tax is applied to the estate as a whole, and ISAs are considered part of the estate.
• The outside the scope of IHT status of ISAs during the holder’s lifetime does not translate to exemption from inheritance tax upon death.

Understanding the Tax Implications Correctly

To make informed decisions about your ISA and estate plan, it’s crucial to understand the tax implications correctly. Here are key points to consider:

• The value of ISAs is included in the calculation of the estate’s total value for inheritance tax purposes.
• Beneficiaries of ISAs may still receive the ISA outside the scope of IHT, but this depends on the specific rules and the surviving spouse’s allowance.
• Understanding the Additional Permitted Subscription (APS) allowance is crucial for surviving spouses who inherit ISAs.

By dispelling these myths and understanding the facts, you can better plan your estate and make the most of your ISA investments.

Alternative Ways to Protect Your Estate

Beyond ISAs, alternative strategies can help protect your estate and reduce inheritance tax. While ISAs are a valuable component of your estate plan, exploring other options can provide a more comprehensive approach to minimizing inheritance tax liability.

Trusts and Their Benefits

Setting up trusts is a popular strategy for protecting your estate. Trusts allow you to transfer assets to beneficiaries while minimizing inheritance tax. There are various types of trusts, each with its benefits and considerations.

• Discretionary Trusts: Allow trustees to decide how to distribute assets among beneficiaries.
• Interest in Possession Trusts: Provide a beneficiary with an immediate income from the trust assets.
• Bare Trusts: Hold assets for beneficiaries who will receive the assets outright at a certain age.

Gifting Assets Before Death

Gifting assets before death is another effective strategy for reducing inheritance tax. By giving away assets, you can decrease the value of your estate and potentially lower your inheritance tax liability.

It’s essential to consider the seven-year rule when gifting assets. Gifts made within seven years of your passing may still be subject to inheritance tax if you die within that period.

Using Life Insurance Policies

Life insurance policies can provide a lump sum to cover inheritance tax upon your passing. By having a life insurance policy in place, you can ensure that your beneficiaries have the necessary funds to pay inheritance tax without having to sell assets from your estate.

Some key benefits of using life insurance policies include:

1. Providing liquidity to pay inheritance tax.
2. Ensuring that your beneficiaries receive their inheritance without significant tax burdens.
3. Allowing you to maintain control over your assets during your lifetime.

By considering these alternative strategies, you can create a comprehensive estate plan that minimizes inheritance tax and protects your beneficiaries.

Seeking Professional Guidance

When it comes to managing your estate and minimising inheritance tax, seeking professional guidance is crucial. Estate planning involves complex decisions that can have significant tax implications.

When to Consult a Tax Specialist

You should consider consulting a tax specialist when you’re unsure about how ISAs fit into your overall estate plan. A tax specialist can provide personalised advice tailored to your financial situation, ensuring you’re making the most of your ISA allowances.

Benefits of Professional Estate Planning

The benefits of professional estate planning are numerous. By seeking expert advice, you can have peace of mind knowing that your estate is protected and that you’re minimising your inheritance tax liability. Professional guidance can also help you navigate the complexities of ISA inheritance rules and ensure that your beneficiaries are well-informed.

Ultimately, professional guidance can help you create an effective estate plan that aligns with your needs and goals. By working with a tax specialist, you can ensure that your estate is managed efficiently, and your loved ones are protected.

Final Thoughts: Safeguarding Your Legacy

Understanding the intricacies of ISAs and inheritance tax is crucial for safeguarding your legacy. As we’ve discussed, ISAs are not entirely exempt from inheritance tax, but there are exceptions, such as passing ISAs to a spouse or civil partner, and investing in AIM stocks that qualify for Business Property Relief (BPR). For more information on how AIM ISAs can provide IHT relief, you can visit WealthClub’s AIM ISA IHT Relief page.

To protect your estate, it’s essential to plan carefully and consider seeking professional guidance. We’re here to help you every step of the way. If you’re ready to safeguard your legacy, please don’t hesitate to contact us for expert assistance. Our team of specialists is ready to provide you with personalized guidance to ensure your estate is protected from unnecessary inheritance tax.

Protect Your Estate Today

Fill out our contact form, call us at 0117 440 1555, or book a call with our team to discuss your estate planning needs. We’re committed to helping you safeguard your legacy and protect your loved ones’ financial future.

Interested in setting up a trust?

Schedule a free consultation with our team
.

Junior ISAs and Inheritance Tax: What Happens on Death?

While much of the conversation around ISAs and inheritance tax focuses on adult ISA holders, the position of Junior ISAs (JISAs) is a question our team encounters regularly — particularly from grandparents and parents who have been contributing to a child’s savings over many years. It is worth understanding how JISAs are treated on death, and how ISA holdings more broadly interact with the key inheritance tax thresholds.

Are Junior ISAs Subject to Inheritance Tax?

A Junior ISA is held in the child’s own name, not in the name of the contributing parent or grandparent. This distinction is significant for inheritance tax purposes. Contributions made into a JISA are typically treated as a gift from the contributor to the child at the point of transfer, which means the funds generally leave the contributor’s estate at that moment — subject to the usual rules around gifts, including the seven-year rule for potentially exempt transfers where relevant.

Because the JISA belongs to the child, it would ordinarily form part of the child’s estate in the unlikely event of that child’s death before reaching adulthood. In practice, children’s estates rarely attract an inheritance tax liability given the scale of funds involved, but it is not impossible where a child has inherited other assets. In our experience, most families overlook this point entirely when reviewing their wider estate plan.

It is worth noting that once a Junior ISA matures — typically when the child turns 18 — it converts automatically into an adult ISA. From that point, the rules described elsewhere in this article apply in the usual way. You can review the current HMRC guidance on Junior ISAs at gov.uk/junior-individual-savings-accounts.

How ISA Holdings Interact with the Nil-Rate Band and Residence Nil-Rate Band

ISAs are not exempt from inheritance tax as a matter of law. Their value is included in the deceased’s estate and assessed against the available thresholds in the usual way. The standard Nil-Rate Band stands at £325,000 and is currently frozen until at least 2028. Where a deceased’s estate — including the full value of any ISA holdings — exceeds this threshold, inheritance tax is charged at 40% on the portion above it.

The Residence Nil-Rate Band (RNRB), currently up to £175,000 per individual where a main residence passes to direct descendants, may also be available and can reduce exposure further. However, the RNRB is subject to its own eligibility conditions and tapers away for estates valued above £2 million.

To illustrate why this matters in practice: a retired individual with a property worth £350,000, modest savings, and a Stocks and Shares ISA built up over many years to a value of £120,000 could find their estate comfortably above the standard Nil-Rate Band. Whether the RNRB applies, whether a transferable nil-rate band is available from a deceased spouse, and how ISA assets are sequenced within the estate are all questions that benefit from structured planning rather than assumptions.

How ISAs Are Valued for Probate Purposes

For probate and inheritance tax reporting purposes, ISA holdings are generally valued as at the date of death. The executor or administrator will typically need to obtain a date-of-death valuation from the ISA provider directly. For Cash ISAs, this is usually straightforward — the provider will confirm the account balance including any accrued interest. For Stocks and Shares ISAs, the valuation will reflect the market value of the underlying investments on the date of death, which may fluctuate and can sometimes be contentious where markets move significantly around that date.

These figures must be reported to HMRC as part of the inheritance tax account (form IHT400 where the estate is likely to be taxable, or IHT205 / the newer online equivalent for excepted estates). Executors should be aware that ISA providers will not typically release funds until probate has been granted, and the account will lose its tax-advantaged status at the point of the holder’s death — meaning any income or growth arising after death may be subject to tax in the estate. Further detail on valuing investments for IHT purposes can be found in the HMRC Inheritance Tax Manual at IHTM09703.

Common Questions About ISAs and Inheritance Tax

Can a wife inherit her husband’s ISA?

Yes, in most cases a surviving spouse or civil partner can inherit their late partner’s ISA — and importantly, they may be able to do so without losing the tax-advantaged status of those savings. This is made possible through the Additional Permitted Subscription (APS) allowance, which is covered in detail elsewhere in this article. The APS allows the surviving spouse or civil partner to make an additional ISA subscription equal to the value of the deceased’s ISA, effectively preserving the tax wrapper. This is separate from the surviving spouse’s own annual ISA allowance, which for 2024/25 remains £20,000. It is worth seeking guidance from a regulated financial adviser to ensure the APS is claimed correctly and within the relevant time limits.

Do ISAs need to be included on probate?

Yes. ISAs form part of the deceased’s estate and their value must typically be declared as part of the probate process. Executors are required to report the date-of-death value of all ISA accounts to HMRC, whether or not the estate ultimately has an inheritance tax liability. Failing to include ISA assets in the estate declaration could be treated as an inaccuracy in the inheritance tax account, which may carry penalties. Probate will generally need to be obtained before ISA providers release funds to beneficiaries.

What happens to Cash ISAs when someone dies?

When a Cash ISA holder dies, the account does not automatically close or transfer. The ISA will typically remain open while the estate is being administered, but it loses its tax-free status from the date of death — meaning any interest accruing after that date may be subject to income tax in the hands of the estate. The executor will need to contact the provider, obtain a date-of-death balance, and include that figure in the estate valuation. Once probate is granted, the funds can be released to the estate and distributed in accordance with the will or the rules of intestacy.

Are ISAs tax-free if inherited?

This is one of the most common misconceptions our team encounters. ISAs are not outside the scope of IHT simply because they are ISAs. The income tax and capital gains tax advantages of the ISA wrapper cease on the holder’s death, and the value of the ISA is included in the taxable estate in the normal way. If the total estate exceeds the available nil-rate band thresholds, inheritance tax at 40% will apply to the portion above those thresholds — including the value attributable to ISA holdings. The only scenario in which ISA assets might effectively pass free of IHT is where the entire estate falls within the available nil-rate bands, or where assets pass to a surviving spouse or civil partner, whose transfers are generally exempt from IHT.

Inheriting an ISA from a parent: what are the tax implications?

Inheriting an ISA from a parent is treated differently to inheriting from a spouse. The APS (Additional Permitted Subscription) is not available to children — it applies only to surviving spouses and civil partners. This means that when a child inherits the cash value of a parent’s ISA, they will receive it as part of their inheritance, but they cannot shelter it within a tax-advantaged ISA wrapper beyond their own annual allowance of £20,000. Any growth or income generated by those inherited funds going forward will be subject to the usual income tax and capital gains tax rules. Where a parent’s estate is above the nil-rate band threshold, the ISA value will have contributed to the IHT calculation, and the child’s inheritance will be the net-of-tax figure. Early planning — for example, using lifetime gifting strategies or reviewing the overall estate structure — may help reduce this exposure over time.