Late Payment Interest Calculator UK

Calculate statutory interest, compensation and the real cost of late payments on your UK invoices. Based on the Late Payment of Commercial Debts (Interest) Act 1998.

Enter your invoice amount and days overdue to see exactly how much you can recover — including interest at the Bank of England base rate plus 8%, and fixed compensation of £40, £70 or £100.

Stop calculating manually. Let AutoSettle recover it for you automatically.