Statutory late payment interest rate and compensation

The interest you can charge on overdue business invoices under the Late Payment Act, the current reference rate, and the fixed compensation amounts.

  • 2026/27 tax year, reviewed 2nd September 2026
  • Figures from HMRC and the Treasury
  • Updated automatically when rates change
  • 11.75%Statutory rate now
  • 3.75%Bank of England reference rate
  • £40 / £70 / £100Fixed compensation

What changed from 2025/26 to 2026/27

Item2025/262026/27Change
Reference (base) rate4.25%3.75%−0.5 points
Statutory rate (8% + reference)12.25%11.75%−0.5 points

Full rates and thresholds

Everything for 2026/27 in one place.

Fixed compensation per invoice

DebtCompensation
Under £1,000£40
£1,000 to £9,999.99£70
£10,000 and over£100

Worth knowing

  • The reference rate is the Bank of England base rate on 30 June (for debts due 1 July to 31 December) or 31 December (for 1 January to 30 June).
  • Interest is simple, runs from the day after the due date, and is outside the scope of VAT.
  • The statutory right applies between businesses; it does not apply to consumers.

Run your own figures: Late Payment Interest Calculator

Late Payment Interest Calculator

The gross amount outstanding, including VAT.

Only used when "Rate set in my contract" is selected.

Enter your figures to see results.

Uses 2026/27 rates, last reviewed 2nd September 2026.

Figures are estimates for guidance only and are not financial, tax or legal advice. Calculations run in your browser; nothing you enter is stored or sent to us.

Open the full Late Payment Interest Calculator page

Frequently asked questions

What is the current statutory interest rate on late payments?

11.75% a year: 8% above the Bank of England base rate of 3.75% fixed for the current six-month period.

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