Invoice guide

What should a UK invoice include?

Q: What should a UK invoice include?

A UK invoice usually includes seller details, customer details, invoice number, invoice date, description of goods or services, amounts, payment terms, and VAT information if VAT registered.

Q: Should I include VAT if I am not VAT registered?

No. Only include VAT as VAT if you are VAT registered. If unsure, check HMRC guidance or ask an accountant.

A practical invoice should clearly show who is charging, who is being charged, what the work or product was, how much is owed, when payment is due, and how to pay.

Open Invoice Creator

Basic invoice checklist

Your detailsBusiness name, address, email, and any tax or VAT reference that applies.

Client detailsThe client name, company, address, or billing contact.

Invoice identityInvoice number, invoice date, due date, and payment terms.

Line itemsDescription, quantity, rate, tax, discounts, subtotal, and total.

VAT and tax note

If you are VAT registered, invoices normally need additional VAT details. If you are not VAT registered, do not add VAT as VAT. The Invoice Creator includes fields that can help you show tax details, but it does not replace advice from HMRC or an accountant.

For freelancers and small businesses, clear payment terms are also important. Common examples include payment due on receipt, due within 7 days, due within 14 days, or due within 30 days.

Why use a browser-only invoice creator?

Invoices contain client names, addresses, fees, and payment details. PDFTechnician lets you create and preview a PDF invoice locally in your browser without creating an account or uploading invoice data to a hosted invoicing platform.

Common mistakes

Do not forget the invoice number, due date, and payment reference. These are small details, but they make it easier for both you and the client to track payment.

Do not add VAT unless you are VAT registered. Do not rely on a template alone for tax compliance if your situation is unusual, cross-border, or regulated. Use the invoice creator as a practical formatting tool, then check the invoice before sending it.

Before and after example

Before: a freelancer sends a plain email saying "please pay £400 for design work". After: the invoice shows the client, invoice number, work description, payment terms, bank details, total due, and a professional PDF for the client's records.

Related tools and guides

Invoice Creator · Create a UK freelance invoice online

FAQ

What should a UK invoice include?

Usually it should include seller details, customer details, invoice number, invoice date, description of goods or services, amounts, payment terms, and VAT information if VAT registered.

Should I include VAT if I am not VAT registered?

No. Only include VAT as VAT if you are VAT registered.

Is this legal or accounting advice?

No. This guide is a practical checklist. For tax or legal questions, check HMRC guidance or ask an accountant.