Rates and allowances: Inheritance Tax thresholds and interest rates
Find the Inheritance Tax thresholds (or 'nil rate bands') from 1914, and see changes to Inheritance Tax interest rates from October 1988.
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The attached document is classified by HMRC as guidance and contains information of the different thresholds in use for deaths going back to 1914.
It also shows the changes in Inheritance Tax interest rates from October 1988.
You can use this information to calculate how much interest is due on an Inheritance Tax payment by using the Inheritance Tax interest calculator.
Last updated
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The 'Inheritance Tax interest rates from October 1988' table has been updated with the interest on repayments rate from 5 April 2022.
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The 'Inheritance Tax interest rates from October 1988' table has been updated with the new interest rate from 5 April 2022.
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The 'Inheritance Tax interest rates from October 1988' table has been updated with the new interest rate from 21 February 2022.
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The 'Inheritance Tax interest rates from October 1988' table has been updated with the new interest rate from 4 January 2022.
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The Inheritance Tax interest rate on late payments has decreased from 2.75% to 2.60% with effect from 7 April 2020. The rates for interest on repayments remains unchanged.
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The section for Inheritance Tax interest rates from October 1988 has been updated.
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The Inheritance Tax interest rate from 21 August 2018 is 3.25% and the interest on repayments is 0.75%.
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Inheritance Tax additional threshold/residence nil rate band - from 6 April 2019 amended to show correct figure £175,000
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Rates, allowances and duties have been updated for the tax year 2018 to 2019.
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The Inheritance Tax interest rate from 21 November 2017 is 3%.
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This guidance has been updated to reflect Inheritance Tax threshold effective from 6 April 2017.
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First published.