How much does a letter before action cost for an unpaid invoice?

Summary

Writing a letter before action yourself costs only Signed For postage, a solicitor's fixed-fee letter costs from about £35 plus VAT at one firm to £250 plus VAT at another, and Paidnice prints and posts one for US$2.00 (£1.50 in the UK). On a UK business debt you can add £40, £70 or £100 fixed compensation to the debt.

  • Posted by Paidnice: US$2.00 a letter on Pro plans and up, enabled on request, posting in the UK, EU, US, Canada, Australia, New Zealand, Singapore, Hong Kong and South Africa.
  • UK price: In the UK, Paidnice prints and posts each letter for £1.50. Ask us for local pricing in other markets.
  • Recoverable: A business debtor owes a fixed £40 on debts up to £999.99, £70 from £1,000 to £9,999.99 and £100 from £10,000, plus reasonable recovery costs.
  • If it is ignored: The county court fee to issue a claim starts at £35 for up to £300 and is £455 for a claim between £5,000.01 and £10,000.
Contents▾

This page is general information for businesses in England and Wales, not legal advice. For a large, disputed or complex debt, speak to a solicitor before you send anything.

How much does a letter before action cost?

A letter before action costs only Signed For postage if you write and send it yourself, about £35 to £250 plus VAT as a solicitor's fixed-fee letter, or US$2.00 a letter (£1.50 in the UK) when Paidnice prints and posts it. The letter itself is short. The cost is in the printing, the posting, and whose name is at the bottom.

RouteCost per letterWho signs itBest for
Write, print and post it yourselfSigned For postage, an envelope and your timeYouOne-off debts where you already have the template
Paidnice prints and posts itUS$2.00; £1.50 in the UKYouAny business sending letters every month
Solicitor-signed letter through PaidniceCharged case by case, depending on the countryA solicitorDebts where a solicitor's name changes the reply
Debt collection agencySet by the agency; ask for the fee in writing firstThe agencyDebts you want handed over entirely
Instruct a solicitor directlyFixed fees from about £35 to £250 + VAT (Stephensons £35 + VAT for a company letter; Kingsley Smith £250 + VAT for debts up to £10,000)A solicitorDisputed or high-value debts that need advice as well

When you ask a solicitor for a price, ask for the figure including VAT and ask what the fee covers. A letter-only fee and a fee that includes reviewing the customer's reply are different products.

When should you send a letter before action?

Send a letter before action when reminders and a final notice have gone unanswered, the customer does not dispute the invoice, and the customer is still trading. If the work is disputed, or the customer is in administration or liquidation, take advice before you send anything.

Can you charge the customer for the cost of the letter?

Yes, for a UK business-to-business debt: the Late Payment of Commercial Debts (Interest) Act 1998 lets you add a fixed sum of £40, £70 or £100 to each late payment, plus reasonable recovery costs above it.

Amount of the debtFixed sum you can charge
Up to £999.99£40
£1,000 to £9,999.99£70
£10,000 or more£100

These sums are set out on gov.uk's debt recovery costs guide. You can charge each one once per late payment, on top of statutory interest at 8% a year above the Bank of England base rate, unless your contract sets its own rate. Put both in the letter, with the calculation, so the customer sees the full figure before the deadline.

A solicitor's letter fee is treated differently. In the small claims track, which covers claims up to £10,000 under CPR 26.9, CPR 27.14 limits what the court can award to fixed issue costs, court fees and a short list of expenses, so the fee for a solicitor's letter is usually not recovered.

The Late Payment Act fixed sum is different. Section 5A makes it part of the debt itself, and if your reasonable recovery costs exceed the fixed sum you can claim the difference as well.

💡 Paidnice insight

Add the fixed sum and the interest to your reminders and statements before the letter before action, so the customer has seen the full figure before the deadline.

What does it cost if the letter before action is ignored?

An ignored letter before action leads to a county court claim, and the court fee to issue it depends on the amount you claim, including interest and fixed compensation. These are the fees on gov.uk's court fees page.

Amount claimedCourt fee to issue
Up to £300£35
£300.01 to £500£50
£500.01 to £1,000£70
£1,000.01 to £1,500£80
£1,500.01 to £3,000£115
£3,000.01 to £5,000£205
£5,000.01 to £10,000£455
£10,000.01 to £200,0005% of the claim
More than £200,000£10,000

Skipping the letter has its own price. Under paragraphs 13 to 16 of the Practice Direction on Pre-Action Conduct, a court can order the party at fault to pay costs, deprive a claimant of interest or award it at a lower rate for a period, and order a defendant to pay interest at up to 10% above base rate.

Example: the cost of escalating a £6,480.00 invoice

A wholesaler has a £6,480.00 invoice that is 45 days overdue, and escalating it costs £1.50 for the letter, adds £70 plus interest to the debt, and risks a £455 court fee. Two reminders have gone unanswered. This is each step in turn.

Letter before action cost and claim checker

England and Wales, business customer. Enter the invoice and how late it is. The checker adds the Late Payment Act fixed sum and simple daily interest, then shows the court fee band if the letter is ignored.

The default rate is a placeholder. The statutory rate is 8 plus the Bank of England base rate in force on 30 June or 31 December before interest starts (11.75% for interest starting 1 July to 31 December 2026), or your contract rate. Enter the total.

Fixed sum added to the debt
£70.00
Interest to date
£95.87
Claim total
£6,645.87
Court fee to issue
£455.00
Small claims track (up to £10,000)
Inside
Letter posted by Paidnice
US$2.00, £1.50 in the UK

Fee band: £5,000.01 to £10,000.

Example

£6,480.00 invoice, 45 days overdue, 12.00% a year

  • Letter before action, posted by Paidnice: £1.50 in the UK, including postage.
  • Fixed sum: £70.00, because the debt is between £1,000 and £9,999.99.
  • Interest: £6,480.00 x 12.00% x 45 / 365 = £95.87.
  • Claim total: £6,480.00 + £70.00 + £95.87 = £6,645.87.
  • Court fee if ignored: £455.00, the £5,000.01 to £10,000 band.
  • Track: inside the £10,000 small claims limit.

The fixed sum and interest count towards the claim, so check the fee band against the total, not the invoice alone.

So the whole path costs £1.50 to send the letter and £455 to issue the claim, while the debt grows by £70 plus interest. The interest and the £70 count towards the claim amount, so check the court fee band against the total, not the invoice alone. Here, £6,480.00 plus £70 is £6,550.00, still inside the £455 band.

How long must a letter before action give the customer?

A letter before action to a business should give at least 14 days to respond. The Practice Direction on Pre-Action Conduct says a reasonable time is 14 days in a straightforward case and no more than three months in a very complex one.

When the debtor is an individual or a sole trader, the Pre-Action Protocol for Debt Claims applies instead. The customer gets 30 days from the date at the top of the letter, and the letter must go with an up-to-date statement of account, an information sheet, a reply form and a financial statement form. The full checklist is in our letter before action template.

How long is a letter before action valid?

A letter before action has no expiry date in the rules, but the claim behind it does: under section 5 of the Limitation Act 1980, a claim on a simple contract in England and Wales must be brought within six years of the cause of action accruing.

The pre-action rules do not pause that clock. Paragraph 17 of the Practice Direction says the protocols do not alter limitation periods, so a creditor close to the six years should issue the claim and ask the court for a stay while the pre-action steps are completed.

Can the letter before action go by email only?

You can email a letter before action to a business, but post a copy as well, because a posted letter gives you a dated paper record at the registered address. For a sole trader or an individual, paragraph 3.3 of the Pre-Action Protocol for Debt Claims says the letter should be sent by post, with email only as an addition.

Send the email on the same day as the posted copy, with the same deadline. The customer then cannot say the email went to spam or the letter never arrived.

How Paidnice prints and posts a letter before action

Paidnice prints your letter before action and posts it for US$2.00 a letter, postage included, on Pro plans and up, and we turn it on for your account when you ask.

In the UK the price is £1.50 a letter, and Pro starts at £74 a month. For other markets, ask us for local pricing.

  • Where it posts: the UK, the EU, the US, Canada, Australia, New Zealand, Singapore, Hong Kong and South Africa.
  • Your own provider: if you already use a local letter service, connect it to Paidnice by API.
  • Solicitor-signed letters: available through Paidnice, charged case by case, depending on the country.
  • What comes before it: email and SMS reminders, late fees and statutory interest and escalations run from the same policies, so the letter arrives after the steps a court expects.

To switch on posted letters or ask about a solicitor-signed letter, contact us and tell us roughly how many letters you send a month.

The wording of the letter itself is in our letter before action template, which covers both the business and the sole trader versions. Earlier, softer letters are in overdue invoice letters by post from Xero and the collection letter templates. Outside the UK the same letter is usually called a letter of demand.

Common questions

How much does a letter before action cost?
Signed For postage if you send it yourself. Paidnice prints and posts one for US$2.00, or £1.50 in the UK. A solicitor's fixed-fee letter costs from about £35 plus VAT at one firm to £250 plus VAT at another, and a solicitor-signed letter through Paidnice is charged case by case, depending on the country.

Do I need a solicitor to write a letter before action?
No. For a straightforward commercial debt you can write and send it yourself. Set out the amount owed and the working behind it, the date to pay by, and the next step if that date is missed.

Can I add the cost of the letter to the debt?
Yes, for a business customer. The Late Payment Act fixed sum of £40, £70 or £100 covers recovery costs, and you can claim reasonable costs above that.

Is an emailed letter before action enough?
Email it, and post a copy on the same day. The posted letter is the dated record if the claim reaches court, and for a sole trader the Protocol says post is the required channel.

What happens if a letter before action is ignored?
Once the deadline passes you can issue a county court claim. The fee to issue starts at £35 and is £455 for a claim between £5,000.01 and £10,000.

Denym Bird

Written by

Denym Bird

Co-founder & CEO of Paidnice

Denym is a software entrepreneur and writes about accounts receivables management for small business.

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ACAcme Joinery 12 days overdue Checking policy Late fee applied Awaiting payment $4,120 $4,202
BRBrightwork Due today Reminder sent Still unpaid Final notice $1,880
CVCoverdale Due in 3 days Reminder sent Checking policy Exempt from fees Needs review Sent to your team $6,480

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