Free tool

Late payment letter generator

Choose a tone and we'll write the letter, including the interest and compensation UK businesses can claim from other businesses.

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Your business

Client

Invoice no.

Amount (£)

Due date

BoE base rate %

Include statutory interest and compensation (business-to-business debts only)

21 days overdue · interest £8.28 · compensation £70.00

Check the current Bank of England base rate on its website. Use the rate that applied on 30 June or 31 December before the debt became overdue. This isn't legal advice.

Firm reminder: invoice INV-0001

Dear Client Ltd,

Invoice INV-0001 for £1,200.00 was due on 9 September 2026 and is now 21 days overdue. Despite earlier reminders, we have not received payment. Please arrange payment within 7 days of this letter.

Under the Late Payment of Commercial Debts (Interest) Act 1998, we are entitled to statutory interest at 12% a year (8% plus the Bank of England base rate), currently £8.28, plus fixed compensation of £70.00. The total now owed is £1,278.28.

If you've already paid, thank you, and please ignore this letter. If there's a problem with the invoice, please get in touch so we can sort it out.

Kind regards,
Your Business Ltd

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HappyNoodle does this automatically

HappyNoodle chases overdue invoices for you with friendly, escalating reminders — always keeping the right amount and payment link — and only sends once you've approved.

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