Invoice chase letter templates
A free, UK-specific template for every stage of chasing an unpaid invoice — from a gentle first reminder through to a formal letter before action — plus three tones to match your client and situation. Pick one and generate it in seconds.
By stage — from first nudge to legal action
Polite Invoice Reminder Letter
1–3 days before or just after the due date.
Use this letter →Overdue Invoice Letter
7–21 days overdue — your first proper chase.
Use this letter →Firm Invoice Chase Letter
30+ days overdue, after earlier reminders.
Use this letter →Final Invoice Warning Letter
45–60 days overdue — last step before legal.
Use this letter →Letter Before Action (LBA) for an Unpaid Invoice
Pre-legal — required before small claims.
Use this letter →By tone — pick how it should read
Not sure which to pick?
Start the generator and NudgeBadger will guide you to the right tone and wording for your invoice — free to try, no account needed.