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How much can I claim on a late invoice?

When a business pays you late, the law lets you claim interest at 8% over the Bank of England base rate, plus a fixed sum of £40, £70 or £100. See what you can add to an overdue invoice.

Invoice amount Including VAT if you charged it £ Date payment was due Without agreed terms, 30 days after the invoice Bank of England base rate The rate in force on 30 June or 31 December before the due date. We have filled in 3.75% (as of 30 June 2026); change it if it was different. %

What this assumes

Guidance, not tax advice. Rules change; check GOV.UK or an accountant for your situation.

Questions

Who can claim statutory interest?

A business owed money by another business or by a public body, when the contract does not set its own remedy for late payment. It does not apply to debts owed by consumers.

How do I claim it?

Tell the customer in writing that you are claiming interest and compensation under the Late Payment of Commercial Debts (Interest) Act 1998, with the amount. Finantr can draft the email for you.

What are the fixed sums?

£40 for a debt under £1,000, £70 for £1,000 to £9,999.99, and £100 for £10,000 or more. You can claim reasonable extra recovery costs on top.