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TAX NEWS

HMRC interest rates increase again

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Published: 16 May 2023 Update History

Following the Monetary Policy Committee’s decision to increase the Bank of England base rate to 4.5%, HMRC has announced increases to interest charged on both 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 11 May increase from 4.25% to 4.5% has triggered another increase in rates for late payments and repayment of tax. 

The rate will increase with effect from 22 May 2023 for late quarterly instalment payments, HMRC has announced. Late payment interest for other late payments will increase from 31 May 2023. 

The rate of interest on unpaid instalments of corporation tax liabilities is calculated as base rate plus one. It will increase to 5.5% from 22 May 2023. 

The rate of interest for the late payment of other taxes is calculated as base rate plus 2.5, so will increase to 7% from 31 May 2023. 

The rate of interest paid by HMRC on the overpayment of tax is calculated as base rate minus one. It will increase to 3.5% on 31 May 2023. 

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