Getting paid · Updated 2026-10-06

Can You Charge Late Fees on Invoices? Rules by Country

Charging a late fee feels like it should be simple: they paid late, so they pay extra. In practice, whether you can charge one — and how much — depends on where you and your client are, what your contract says, and sometimes on statutes you didn't know existed. This guide covers the rules that matter for freelancers in the UK, EU, US, Canada, and Australia, plus how to write late-payment terms that actually work.

This is general information, not legal advice. For large amounts or tricky situations, talk to a lawyer in your jurisdiction.

The UK: the strongest freelancer protections

The UK has the most freelancer-friendly late-payment law of any country in this guide. Under the Late Payment of Commercial Debts (Interest) Act 1998, if you're selling to a business (not a consumer), you have an automatic right to charge interest on overdue invoices — you don't need a clause in your contract saying so.

Here's how it works:

• The rate: 8% per year above the Bank of England base rate — simple interest, not compound. The rate is fixed in six-month blocks: the base rate in force on 30 June applies to debts falling overdue between 1 July and 31 December, and the rate on 31 December applies to 1 January–30 June.
• When it starts: interest runs from the day after the payment due date. If you didn't agree a payment date, the law implies a 30-day term — the debt becomes overdue 30 days after the later of delivery and the client receiving the invoice.
• Fixed compensation on top: for each overdue invoice, you can also claim a fixed sum — £40 for debts under £1,000, £70 for £1,000–£9,999.99, and £100 for £10,000 or more. This is per invoice, not per client.
• Business-to-business only. The Act doesn't cover invoices to private individuals acting as consumers.

The main exception: if your contract already provides what the law calls a "substantial remedy" for late payment — e.g., its own interest clause — that can displace the statutory right. You also can't contract out of the Act with a clause that simply waives your rights.

Practical takeaway: for UK B2B work, you can state on your invoice that statutory interest and compensation will apply to late payment — and mean it. Many freelancers never claim it, using it instead as leverage: "statutory interest is now accruing" is a remarkably effective sentence in a chasing email.

The EU: the Late Payment Directive

EU member states implement the Late Payment Directive (2011/7/EU), which sets minimum protections across the bloc:

• Statutory interest of at least the European Central Bank's reference rate plus 8 percentage points, accruing automatically from the day after the payment deadline.
• Minimum €40 compensation per overdue invoice for recovery costs — member states may set higher amounts, and several do.
• Payment terms capped: businesses must pay within 60 days unless expressly agreed otherwise on terms that aren't grossly unfair; 30 days is the default where nothing is agreed.

Because it's a directive, the exact figures and procedures live in each country's national law — the directive sets the floor, and some countries go further. If you invoice EU clients, check the specific member state's implementation.

The US: it's about your contract

The United States has no federal equivalent of the UK's automatic statutory interest for private commercial debts. Whether you can charge a late fee comes down to two things:

1. Your contract. Late fees generally need to be agreed in advance — in your contract or engagement terms, then referenced on the invoice. Trying to add a fee after the fact, when it was never disclosed, is difficult to enforce and invites disputes.
2. State law. States regulate late fees differently: some cap amounts or rates, some require grace periods, and courts can strike down fees they consider an unreasonable penalty rather than a genuine pre-estimate of your costs. What's fine in one state may not fly in another.

Practical approach for US freelancers: put a clear, modest late-fee clause in your contract before work begins (e.g., "1.5% per month on overdue balances"), reference it on every invoice, and keep the fee proportionate. If a client is in a different state, the contract should say which state's law governs — another reason to sort terms upfront rather than at the chasing stage.

Canada and Australia: contract first, rules vary

In both Canada and Australia, late fees on commercial invoices are primarily a matter of contract: agree the term in advance, state it clearly, keep it reasonable. Beyond that, rules vary — by province in Canada, and by state and territory in Australia — and consumer transactions face stricter regimes than business-to-business ones in both countries.

If you do significant work in either country, it's worth a one-off conversation with a local accountant or lawyer to confirm your standard terms comply. For most freelancers, a clearly agreed, modest late-fee clause in the contract covers the realistic scenarios.

How to state late-payment terms on your invoice

Wherever you operate, good terms share the same qualities:

• Agreed before the work, in the contract or engagement letter — the invoice then references them ("Late payments subject to the terms agreed [date]").
• Specific: state the rate and how it's calculated ("1.5% per month on the outstanding balance" beats "late fees may apply").
• Visible: put the terms on the invoice itself, not buried three clicks deep.
• Consistent: apply them the same way to every client. Selective enforcement undermines you if a dispute ever goes formal.

In the UK, you can additionally reference the statutory position: "We reserve the right to claim statutory interest and compensation under the Late Payment of Commercial Debts (Interest) Act 1998." You don't need the client's permission for this — it's the law — but stating it upfront prevents the "you never told me" conversation.

Should you actually charge late fees?

Having the right and using it are different decisions:

• As leverage, almost always mention them. Most late payers pay up at the "fees are now accruing" stage without you ever collecting a penny of interest.
• As revenue, be selective. Actually collecting fees from a good client with a one-off admin hiccup can cost you the relationship. From a chronic late payer, it's both fair and instructive.
• Never use fees punitively. Courts and common sense alike distinguish between genuine compensation and punishment. Keep fees proportionate and documented.

The deeper fix is structural: deposits, clear terms agreed upfront, invoicing immediately, and a proper chasing process will do more for your cash flow than any fee schedule.