Late Payment Clauses in UK Freelance Contracts

Late payment is the number one cause of freelance business failure in the UK. According to IPSE, the Association of Independent Professionals and the Self-Employed, the average UK freelancer is owed £6,000 in unpaid invoices at any given time.

Most of that isn't fraud. It's bad contracts. Specifically, it's payment clauses that allow clients to delay payment legally for months — and freelancers who signed without reading them properly.

Here's what you need to know.

Your default rights under UK law

Before you even look at a contract, you have statutory rights under the Late Payment of Commercial Debts (Interest) Act 1998. This gives you the automatic right to:

• Charge 8% above the Bank of England base rate on any commercial invoice paid late
• Claim a fixed debt recovery fee of £40, £70, or £100 depending on the invoice amount
• Recover reasonable debt recovery costs

These rights exist by default in any B2B transaction in the UK. Your contract cannot take them away entirely — but it can modify the payment terms that trigger them.

The payment clauses to watch

1. The payment period

This is the most obvious one. Net-60 is standard in some industries but brutal for freelancers with no credit line. The default under the Late Payment Act is 30 days for business-to-business transactions. If your contract says 60 or 90, you're giving away your statutory rights.

Negotiate to: Net-14 or Net-30. For large projects, request a deposit (30-50%) before work begins.

2. The "acceptance" clause

This is the clause that turns Net-30 into Net-60, Net-90, or Net-never. If the client controls when they "accept" the work, they control when your payment clock starts. A client who wants to delay can simply not provide written acceptance.

Negotiate to: "Payment is due 30 days after delivery of the deliverables, or 30 days after invoice, whichever is earlier."

3. The "conditional on payment" clause

This one actually protects you — if the client doesn't pay, you retain ownership of the work and they can't use it. But many freelancers don't realise this clause is in their favour and try to remove it.

Keep this one. It's one of the few contract clauses that defaults in your favour.

4. The interest waiver

This clause attempts to waive your statutory right to charge interest on late payment. Under the Late Payment Act, this is only enforceable if there is a "substantial remedy" offered in its place. Without that, the clause may be void — but you'd have to take legal action to establish that.

Never agree to this. Cross it out before signing.

What to actually propose

Before your next freelance project, propose these three payment terms in your own contract (or push back on the client's): 50% deposit upfront, 50% on delivery, no acceptance period. This is increasingly standard for UK freelancers and most professional clients will accept it.

If you're reviewing a client's contract, use ContractChecker to identify all payment-related clauses instantly. The AI will flag any late payment terms, interest waivers, or acceptance conditions that could delay your money.