What’s Included
- Standard version — for sole traders who are not VAT registered.
- VAT-registered version — adds a VAT number field and calculates 20% VAT automatically.
- Auto-calculating line items — enter quantity and unit price, the total and grand total work themselves out.
- Payment details section — bank details and reference, so clients know exactly how to pay you.
What a UK Invoice Must Include
- A unique invoice number (sequential, never repeated).
- Your name or trading name, and address.
- The client’s name and address.
- A clear description of the goods or services provided.
- The date the invoice was issued and the date of supply.
- The total amount due, and payment terms.
- If VAT registered: your VAT number and the VAT amount charged separately from the net total.
Frequently Asked Questions
Only if you're VAT registered — compulsory once your taxable turnover exceeds £90,000 (2026/27 threshold), or voluntary below that. Use the VAT-registered version of this template if that applies to you; it calculates 20% VAT automatically.
Any format works as long as each number is unique and sequential (e.g. INV-0001, INV-0002). Never reuse or skip numbers — HMRC may ask to see a complete, unbroken sequence during a check.
At least 5 years after the 31 January Self Assessment filing deadline for the tax year the invoice relates to, in line with general HMRC record-keeping rules for the self-employed.
Yes — completely free, no email signup, no registration. Both the standard and VAT-registered versions are included.
Sources
- Invoicing requirements from GOV.UK — Invoices: what they must include (checked July 2026)
- VAT registration threshold from GOV.UK — VAT registration thresholds