Inheritance Tax UK: Your Complete Guide for 2025

Inheritance Tax UK: Your Complete Guide for 2025
Charlotte Baroukh

Charlotte Baroukh

Tax Expert @ Pie

4 min read

Updated: 2 May 2025

4 min read

Updated: 2 May 2025

Breaking It Down for You

Nobody likes thinking about inheritance tax, yet it affects thousands of families every year. It’s one of those topics we’d rather avoid, but understanding it could save your loved ones a small fortune. The potential benefits of inheritance tax include promoting wealth redistribution and reducing income inequality.

Inheritance tax planning should start years before it’s actually needed. A bit of forward planning makes a huge difference to how much of your estate reaches your beneficiaries. Assets like property can be significantly affected by inheritance tax, making it crucial to understand how they are valued and taxed.

The current system has both fans and critics across the political spectrum. Some see it as a fair way to redistribute wealth, while others view it as an unfair tax on assets that have already been taxed during one’s lifetime. It is also important to exclude debts from the gross value estimate of an estate to ensure accurate tax calculations.

Let’s break down everything you need to know about inheritance tax - from the basics to smart planning strategies that could protect your family’s inheritance.

What exactly is inheritance tax and who has to pay it?

Inheritance tax is a tax charged on the value of a person’s estate after they die. Currently, the rate is 40% on anything above the tax-free threshold, which can significantly reduce what your beneficiaries receive.

Only estates worth more than £325,000 (known as the nil-rate band) face this tax. This basic tax-free amount applies to everyone, regardless of their circumstances or relationship to beneficiaries. Joint tenants automatically transfer their share of property or assets to remaining co-owners without going through probate, which can affect the overall estate valuation and distribution among heirs.

If you’re married or in a civil partnership, you can combine your allowances. This means couples can effectively pass on up to £650,000 tax-free, providing valuable planning opportunities.

The executor of the will or the administrator of the estate is responsible for paying the tax. They’ll need to settle the bill within six months of the person’s death, often before probate is granted.

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Factors Affecting Inheritance Tax

Inheritance tax is influenced by several key factors, including the value of the estate, the relationship between the deceased and the beneficiaries, and the specific tax laws of the jurisdiction. Understanding these factors can help you better navigate the complexities of inheritance tax.

In the UK, the inheritance tax threshold is set at £325,000. Any amount above this threshold is subject to a tax rate of 40%. However, if the deceased leaves their main residence to their children or grandchildren, the threshold increases to £500,000. This additional allowance can significantly reduce the tax burden on family homes. Exemptions also exist for certain types of assets, such as charitable donations and gifts to spouses or civil partners, which can further lower the taxable amount.

In the US, inheritance tax laws vary by state. States like Kentucky, Maryland, Nebraska, New Jersey, and Pennsylvania impose an inheritance tax on the beneficiaries of an estate. The tax rate and applicable exemptions depend on the state’s specific tax laws and the relationship between the deceased and the beneficiaries. For example, close family members may benefit from lower tax rates or higher exemptions compared to more distant relatives or unrelated beneficiaries.

How much is the inheritance tax threshold for 2024/25?

The standard nil-rate band remains at £325,000 per person for the 2024/25 tax year. This figure has not changed since 2009, meaning its real value has declined due to inflation. The government sets these thresholds, which determine how much of an estate is liable for inheritance tax.

In addition, there is a residence nil-rate band of up to £175,000. This extra allowance applies if you're passing your main residence to direct descendants, such as children or grandchildren.

For married couples or civil partners, any unused allowance can be transferred, allowing a combined threshold of up to £1 million (including both the standard and residence nil-rate bands). This helps protect many family homes from inheritance tax.

These thresholds have remained unchanged since 2021 and are frozen until at least April 2028, which means more estates may become liable due to inflation — a phenomenon known as fiscal drag.

If an estate is worth more than £2 million, the residence nil-rate band is gradually reduced. It tapers by £1 for every £2 that the estate exceeds this amount, potentially removing the extra allowance altogether.

Lady with her laptop

Paying Inheritance Tax

Paying inheritance tax involves navigating a complex process that requires careful attention to tax laws and regulations. In the UK, the executor of the estate is responsible for paying the inheritance tax. This tax must be paid within six months of the date of death, and any late payments will incur interest. The executor must ensure that the tax is paid promptly to avoid additional financial penalties.

In the US, the responsibility for paying inheritance tax falls on the beneficiaries of the estate. The timeframe for payment varies depending on the state’s tax laws, but it is crucial to adhere to these deadlines to avoid penalties and interest on the outstanding amount. Beneficiaries should be aware of their obligations and seek professional advice if needed to ensure compliance with state-specific requirements.

Timely payment of inheritance tax is essential to avoid unnecessary financial burdens. Executors and beneficiaries should familiarize themselves with the relevant tax laws and seek professional guidance to manage this process effectively.

Estate Tax vs. Inheritance Tax

Estate tax and inheritance tax are often confused, but they are distinct types of taxes with different implications. Estate tax is levied on the estate of the deceased, while inheritance tax is levied on the beneficiaries who receive the estate’s assets.

In the UK, what is commonly referred to as inheritance tax is actually an estate tax. It is levied on the estate of the deceased and is payable by the executor. The tax is based on the total value of the estate, including all assets such as property, money, and possessions.

In the US, the distinction between estate tax and inheritance tax is more pronounced. Some states impose an estate tax on the estate of the deceased, while others impose an inheritance tax on the beneficiaries. Estate tax is calculated based on the total value of the estate, whereas inheritance tax is calculated based on the value of the assets received by each beneficiary.

Understanding the difference between these two types of taxes is crucial for effective tax planning. Knowing who is responsible for paying the tax and how it is calculated can help you make informed decisions about your estate.

lady on a laptop

Final thoughts on inheritance tax planning

Inheritance tax planning shouldn’t be left until it’s too late. The earlier you start, the more options you’ll have and the more tax you’re likely to save for your beneficiaries, affecting what they ultimately inherit.

Everyone’s circumstances are different, and what works for one family may not be right for another. Understanding the tax base is crucial in inheritance tax planning, as it shapes the structure of fiscal obligations.

Remember that tax rules change frequently. What works today might not be the best approach tomorrow, so review your plan regularly, especially after major life events or Budget announcements.

With careful planning, more of your hard-earned wealth can reach your loved ones rather than going to the tax collector. I’ve seen families save tens of thousands through simple advance planning.

Pie is the UK’s first personal tax app designed to help working individuals tackle their tax burdens. As the only self assessment solution offering integrated bookkeeping, real-time tax figures, simplified returns, and expert advice, it’s worth checking out at Pie.tax if you’re looking to get on top of your tax affairs.

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