HMRC interest rates to increase in April

Melanie Richardson

20/04/2023

Following the Monetary Policy Committee decision to increase the Bank of England base rate to 4.25%, HMRC has announced increases to both the interest charged on late paid tax and the rate paid on repayments of tax.

As HMRC interest rates are linked to the Bank of England base rate, the 23 March 2023 increase from 4% to 4.25% has triggered another increase in rates for late payments and repayment of tax.

HMRC has announced that the rate will increase with effect from 3 April 2023 for late quarterly instalment payments. Late payment interest for other late payments will increase from 13 April 2023.

  • The rate of interest on unpaid instalments of corporation tax liabilities is calculated as base rate plus one. It will increase to 5.25% from 3 April 2023.
  • The rate of interest for the late payment of other taxes is calculated as base rate plus 2.5, so will increase to 6.75% from 13 April 2023.
  • The rate of interest paid by HMRC on the overpayment of tax is calculated as base rate minus one. It will increase to 3.25% on 13 April 2023.

If you have any questions regarding the interest rate increase please get in touch with your Swindells partner who will be able to advise you further.

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