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The unpaid invoice problem: what actually works for UK freelancers

Late payment kills freelance businesses. Not dramatically — slowly. You do the work, send the invoice, and then... silence.

I've been researching this problem obsessively, and here's what actually moves the needle.

The numbers

  • Average UK freelancer waits 42 days past invoice due date for payment
  • 62% of freelancers have experienced a client simply not paying
  • Late payment costs UK small businesses £22,000 per year on average

It's not a you problem. It's a structural problem. But you can fix your end of it.

What works (in order of effectiveness)

1. Payment terms on the contract, not the invoice

By the time you send an invoice, the terms should already be agreed. "Net 30" on an invoice means nothing if the contract says "payment on completion."

Your contract needs:

  • Specific payment timeline (not "upon receipt")
  • Late payment interest clause (you're legally entitled to this under the Late Payment of Commercial Debts Act 1998)
  • A deposit or milestone structure for projects over £1,000

2. Invoice on completion, not "when you get round to it"

Every day between finishing work and sending the invoice is a day you're lending the client money for free. Automate this if possible.

3. The 3-touch follow-up

  • Day 1 past due: Friendly reminder. "Just flagging this is now overdue — can you confirm when payment will be processed?"
  • Day 7: Firmer. Reference the contract terms and late payment interest.
  • Day 14: Final notice before formal action. Mention the Late Payment Act and your right to claim interest + compensation.

Most invoices get paid after touch 2. The ones that don't are usually disputes, not forgetfulness.

4. Statutory interest — use it

Under UK law, you can charge 8% + Bank of England base rate on late B2B invoices. Plus £40-£100 compensation depending on the debt size.

Most freelancers don't know this. Even fewer use it. But mentioning it in your Day 7 email works wonders.

5. Prevention beats chasing

  • Take deposits (30-50% upfront is standard)
  • Use milestone payments for longer projects
  • Credit check new clients (Companies House is free)
  • Have a proper contract (not a back-of-napkin agreement)

Tools that help

I've built a few free tools for this:

And if you want the full system — contract clauses, follow-up email templates, the statutory interest guide, client vetting checklist — there's the Getting Paid Toolkit which packages it all together.

The mindset shift

Chasing money isn't awkward. It's professional. You provided a service. You deserve to be paid. The Late Payment Act exists specifically because Parliament agreed with you.

Stop feeling guilty about asking for what you earned.


Free tools and guides for UK freelancers at landolio.com.

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