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.



The attached document is classified by HM Revenue and Customs 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.

Published 17 February 2017
Last updated 22 February 2018 + show all updates
  1. The Inheritance Tax interest rate from 21 November 2017 is 3%.
  2. This guidance has been updated to reflect Inheritance Tax threshold effective from 6 April 2017.
  3. First published.