HMRC announced an increase in late payment interest rate

Clever Accounts

Rate increase update - August 2023

Following the Bank of England's recent increase of its base rate to 5.25%, HMRC have announced an increase to its interest rate for late payments on main tax returns, from 13 April 2023.

  • Late payment interest rate has increased to 7.75%.
  • Repayment interest has increased to 4.25%.
  • Corporation Tax late payment interest rate and repayment interest rate were set to the same levels as the above

Tax returns deadlines


  • 31st October - paper tax return submission
  • 31st January - Online submission
  • 31st January - Tax payment deadline

Please note that businesses with a Self-Assessment tax bill of more than £1,000 are required to make a 'Payment on Account' towards their following year's tax bill.
Learn more about 'Payment on Account'. (payment on account article will be updated)

Payment arrangements

If you cannot pay your Self-Assessment bill on time and owe less than £30,000, you can contact HMRC to set up a Time to Pay payment plan.

VAT - Submitted quarterly

One calendar month and 7 days after the end of an accounting period.

Company Accounts

  • Submit your first accounts to Companies House - 21 months after registering your company on Companies House.
  • Submit your annual accounts to Companies House - 9 months after your company's financial year end.

Corporation Tax

  • Submit and pay - 9 months and one day after the end of your accounting period.
  • File your company's tax return - 12 months after your company's corporation Tax accounting period, ends.

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