UK VAT Penalties for E-Commerce Businesses: 2026 Guide

Registering for UK VAT and obtaining a UK VAT number opens up new opportunities for e-commerce businesses operating in the British market. However, registration comes not only with privileges but also with obligations. Failure to meet those obligations can lead to financial penalties. Since January 2023, HMRC (His Majesty’s Revenue & Customs — note: the authority was renamed from “Her Majesty’s Revenue & Customs” in September 2022) has operated a new penalty system for UK VAT. The rates were further tightened from April 2025.

UK VAT is one of the most complex areas of UK taxation. E-commerce businesses selling products in the UK must, among other obligations: include UK VAT on invoices, apply the appropriate UK VAT rate, remit VAT to HMRC on time, submit VAT returns electronically through Making Tax Digital (MTD) compatible software, and maintain digital VAT records.

When can e-commerce businesses face UK VAT penalties?

UK VAT penalties apply primarily in two situations:

• when UK VAT returns are submitted after the deadline;
• when UK VAT is not paid to HMRC on time.

Penalties for late submission of UK VAT returns — points-based system

HMRC uses a points-based model for late submissions, similar to a driving licence points system. Businesses accumulate points for each late return. Once a threshold is reached, a fixed £200 penalty is applied, with further £200 penalties for each subsequent late submission.

Zero-return submissions that are not made on time also generate penalty points.

What are the penalty point thresholds?

The thresholds depend on how frequently returns are submitted:

• Annually — threshold: 2 points; compliance period: 24 months.
• Quarterly — threshold: 4 points; compliance period: 12 months.
• Monthly — threshold: 5 points; compliance period: 6 months.

Can penalty points be reduced or removed?

Accumulated penalty points can be reset if the business meets both of the following conditions:

• all VAT returns are submitted on time throughout the compliance period applicable to their filing frequency;
• all outstanding VAT returns due within the last 24 months have been submitted.

Where the penalty threshold has not been reached, individual points expire automatically after 24 months.

Late payment penalties — updated rates from April 2025

From April 2025, HMRC increased the late payment penalty rates. The current structure is: GOV.UK

• Overdue up to 15 days — no penalty if paid in full or a payment plan agreed within this period.
• Overdue from 16 to 30 days — first late payment penalty of 3% of the VAT outstanding at the end of day 15.
• Overdue exceeding 31 days — first penalty of 3% at day 15 plus a further 3% at day 30 (total 6% of the amount outstanding). A second penalty then accrues daily at an annual rate of 10% on the remaining outstanding balance until paid in full or a payment arrangement is agreed.

Note: the article’s original figures of 2% and 4% applied before April 2025. In 2026, HMRC applies the late payment rates introduced on 1 April 2025.

Late payment interest on UK VAT

HMRC charges late payment interest from the first day the payment is overdue until paid in full. The rate is the Bank of England base rate plus 4%. As of January 2026, HMRC’s late payment interest rate is 7.75%. This replaces the older base rate plus 2.5% figure referenced in the original article.

Making Tax Digital (MTD) and UK VAT

All UK VAT-registered businesses must keep digital VAT records and submit returns using MTD-compatible software. Failure to comply can result in separate penalties. The £400 per return figure referenced in older guidance no longer appears in current HMRC published penalty schedules — businesses should refer to current HMRC guidance for the precise applicable charges, as these are subject to change.

UK VAT registration thresholds and rates

It is important to remember that VAT penalties apply to businesses that are VAT-registered in the UK. Entities required to register include those that:

• are UK-established businesses whose taxable turnover exceeds £90,000 in any rolling 12-month period (threshold in force since April 2024);
• are non-UK businesses storing goods in the UK, regardless of turnover;
• are non-UK businesses selling goods directly to UK consumers (the threshold does not apply — registration is required from the first taxable supply);
• wish to voluntarily register for UK VAT.

The three UK VAT rates are:

• 0% — printed books, most food, children’s clothing and footwear, new-build residential construction.
• 5% — domestic energy supplies, children’s car seats, certain medical equipment for disabled people, LPG and heating oil for domestic use.
• 20% — the standard rate, applying to most other goods and services.

Exempt from UK VAT: insurance, financial services, postal services, education, medical and hospital services.

How to avoid UK VAT penalties

The most effective protection is timely submission of all VAT returns and prompt payment of VAT due. Businesses with cash flow difficulties should contact HMRC as early as possible to discuss a Time to Pay arrangement, which can prevent further penalties from accruing once agreed.

amavat® offers UK VAT registration and compliance services, including preparation and submission of VAT returns, record-keeping, and representation before HMRC. For more information visit: https://amavat.eu/vat-compliance-e-commerce/