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HMRC Inheritance Tax Changes & Thresholds

Inheritance Tax (IHT) affects many estates in the UK. Even if your assets are modest, understanding how the inheritance tax threshold works, and how you might use additional reliefs, can help you plan better and reduce unnecessary tax. At DNS Associates, we guide you through current rules and effective strategies.

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What Is the Inheritance Tax Threshold (IHT Threshold)?

The inheritance tax threshold is the amount below which no Inheritance
Tax is due. In the 2025/26 tax year:

  • The standard iht threshold (also known as the nil-rate band) is £325,000 per person
  • Everything above that threshold is generally taxed at 40% (unless reliefs or exemptions apply)
  • If you pass your family home to direct descendants (children or grandchildren), an extra allowance called the residence nil-rate band may increase your tax-free limit by up to £175,000
  • That means your inheritance tax allowance could be up to £500,000 (for individuals) if you satisfy the conditions

Note: For married couples or civil partners, unused threshold from the first death may be transferred to the survivor, potentially giving up to £1 million tax-free in total across both estates.

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Inheritance Tax Threshold UK - Key Rules & Limits

Because you asked for inheritance tax threshold UK details, here are the main rules in the UK:

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  • The iht threshold of £325,000 is fixed until at least April 2030
  • The residence nil-rate band is tapered away for estates over £2 million
  • To benefit from the extra £175,000 home allowance, the main property must be left to children or grandchildren
  • If your estate exceeds the combined threshold, only the value above that is taxed (i.e. above the inheritance tax allowance)
  • If more than 10% of your net estate is gifted to charity, the tax rate may reduce from 40% to 36%
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Recent Major Changes (from April 2025)

Since 6 April 2025, the IHT regime has changed in significant ways:

  • The IHT system shifted from a domicile-based model to a residence-based model. Your liability now depends on being a long-term UK resident rather than where you are “domiciled”
  • If you have been a UK resident for 10 out of the last 20 years, your non-UK assets may now be subject to UK IHT
  • If you leave the UK, the “tail” period during which your assets remain in charge to IHT ranges from 3 to 10 years, depending on length of residence
  • Trusts that hold non-UK assets may now be affected by these new rules depending on whether the settlor is a long-term UK resident

These changes make it more important than ever to review your estate, especially if you have overseas assets or trust structures.

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What Affects Your Inheritance Tax Position?

Several factors influence whether and how much IHT you’ll pay:

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  • Debts and liabilities: You subtract debts owed by the estate before tax is calculated.
  • Gifts and allowances: Gifts you’ve made in the last 7 years, and annual exemptions, may reduce the taxable value.
  • Reliefs and exemptions: Business Property Relief, Agricultural Relief, charitable gifts can reduce IHT.
  • Tapering: For estates above £2 million, your residence nil-rate band allowance may reduce (this is sometimes called “tapered relief”)
  • Transferable allowance: If your spouse or civil partner did not use their tax-free allowance, you can add it to yours on their death
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Sample Calculation

Here’s a simple example using the inheritance tax threshold UK rules:

Suppose your estate (after debts) is worth £600,000 and includes your home, which you leave to your children:

Standard nil-rate band: £325,000
Residence nil-rate band (if eligible): £175,000
Total threshold (inheritance tax allowance): £500,000
Amount above threshold = £600,000 – £500,000 = £100,000
IHT due at 40% = £40,000

If you didn’t qualify for the home allowance, then taxable amount is £600,000 –
£325,000 = £275,000, and IHT would be £110,000.

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How DNS Associates Can Help You

We treat your estate as unique. Here’s how our service supports you:

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  • Threshold review - working out which inheritance tax threshold rules apply to you
  • Relief & exemption planning - maximising your inheritance tax allowance using trust, reliefs, gifts
  • Residency & overseas assets advice - adapting to the new residence-based IHT rules
  • Estate structuring - setting up legal mechanisms so your heirs pay less tax
  • Calculations & projections - showing you best / worst case scenarios

We don’t just tell you the rules - we help you apply them wisely.

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Frequently Asked Questions

The inheritance tax threshold UK (also called the iht threshold or nil-rate band) is £325,000. If your total estate is worth less than this, no inheritance tax is due. Anything above this limit may be taxed at 40%, unless you qualify for reliefs or extra allowances.

If you leave your main home to your children or grandchildren, you may get an extra residence nil-rate band of up to £175,000. That means your total inheritance tax allowance could reach £500,000 per person.

Yes. Married couples and civil partners can transfer unused allowances between them. If the first partner leaves everything to the survivor, no IHT is due then - and the unused allowance passes over. This means together they can have up to £1 million tax-free (£325,000 + £175,000 each).

The iht threshold has stayed at £325,000 for several years and is currently frozen until at least April 2030. However, new rules in April 2025 changed how IHT applies to UK residents with foreign assets, making the system residence-based instead of domicile-based.

If your estate value is higher than your inheritance tax threshold, only the amount above it is taxed.

For example, if your estate is worth £600,000 and your total allowance is £500,000, tax would apply on the extra £100,000. Planning ahead can reduce that amount.

Yes. You can reduce your tax by:

  • Making gifts during your lifetime (and surviving seven years after)
  • Leaving 10% or more to charity, which reduces the tax rate to 36%
  • Using Business Property Relief or Agricultural Relief
  • Setting up trusts to manage wealth efficiently

A tax adviser can help you plan around your iht threshold safely.

Under the 2025 changes, UK residents who’ve lived in the UK for 10 out of the last 20 years may now pay IHT on worldwide assets. If you move abroad, your estate can still be within UK IHT for 3 to 10 years after leaving.

If your estate value is near or above the inheritance tax threshold, or if you have a property and savings worth over £300,000, you should seek advice now. Early planning helps protect your family and makes the best use of your inheritance tax allowance

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