Compliance
Optimising UK Late Payment Penalties Post-Making Tax Digital Roll-Out
With HMRC’s increased penalties for late VAT and Income Tax Self Assessment payments now in force, businesses and individuals need to understand what's changed—and how to stay compliant.
By NomadicTax Research Team • 5-8 min read • November 15, 2025
## What’s Changed
As of **1 April 2025**, HMRC revised its penalty rates under *Schedule 26 Finance Act 2021* for VAT and for those participating in Making Tax Digital (MTD) for Income Tax Self Assessment (ITSA):
- Days 16-30 overdue: **3%** of debt max (up from 2%) ([gov.uk](https://www.gov.uk/government/publications/increasing-vat-and-other-taxes-late-payment-penalties-percentage-rate-relating-to-penalty-reform/increase-to-vat-and-other-taxes-late-payment-penalties-percentage-rate-relating-to-penalty-reform?utm_source=openai))
- From **day 31** onward: an annualized penalty rate of **10%** (up from 4%) ([gov.uk](https://www.gov.uk/government/publications/increasing-vat-and-other-taxes-late-payment-penalties-percentage-rate-relating-to-penalty-reform/increase-to-vat-and-other-taxes-late-payment-penalties-percentage-rate-relating-to-penalty-reform?utm_source=openai))
These changes target those who miss payment due dates, with increasingly steep penalties the longer liabilities remain unpaid. ([gov.uk](https://www.gov.uk/government/publications/increasing-vat-and-other-taxes-late-payment-penalties-percentage-rate-relating-to-penalty-reform/increase-to-vat-and-other-taxes-late-payment-penalties-percentage-rate-relating-to-penalty-reform?utm_source=openai))
## Who Is Affected
| Group | Criteria | From When |
|-------|----------|------------|
| VAT-registered businesses | All VAT accounting periods starting on/after 1 January 2023 | Now applies fully ([gov.uk](https://www.gov.uk/guidance/how-late-payment-penalties-work-if-you-pay-vat-late?utm_source=openai)) |
| MTD (ITSA) volunteers & early adopters | Income Tax Self Assessment participants testing/joining MTD | Changes apply from 1 April 2025 ([gov.uk](https://www.gov.uk/government/publications/increasing-vat-and-other-taxes-late-payment-penalties-percentage-rate-relating-to-penalty-reform?utm_source=openai)) |
Smaller or compliant businesses with occasional oversights may feel less weighed down by these adjustments than those who have multiple late payments. However, it's vital for **all** affected taxpayers to plan accordingly.
## How It Works: Examples
- If a VAT return is **20 days late**, you’ll incur a penalty of **3%** of the tax owing for the amount outstanding on day 15. No second penalty until after day 30. ([gov.uk](https://www.gov.uk/hmrc-internal-manuals/compliance-handbook/ch193140?utm_source=openai))
- If that same liability is still unpaid on **day 40**, an additional penalty applies: you pay **3%** on the amount at day 15 plus **3%** at day 30, plus **10% p.a.** from day 31 until full payment. ([gov.uk](https://www.gov.uk/hmrc-internal-manuals/compliance-handbook/ch193140?utm_source=openai))
## Actionable Advice for Tax Planning & Compliance
- **Review due dates carefully:** Missing by a few days can trigger penalties. Use reminders or automated payment systems to stay ahead.
- **If cash flow is tight, contact HMRC proactively:** Agreeing a *Time to Pay* (TTP) arrangement before incurring a penalty can prevent escalation. Once agreed, penalties may be avoided or reduced. ([gov.uk](https://www.gov.uk/government/publications/increasing-vat-and-other-taxes-late-payment-penalties-percentage-rate-relating-to-penalty-reform/increase-to-vat-and-other-taxes-late-payment-penalties-percentage-rate-relating-to-penalty-reform?utm_source=openai))
- **Digital records matter:** MTD relies on accurate, timely digital submission. Ensure your accounting software is configured correctly and audits completed well before deadlines.
- **Small slips add up:** Under submission-based penalty reforms, multiple missed submissions trigger fixed penalties. Occasional delays may be forgiven, persistent failures are not. ([gov.uk](https://www.gov.uk/government/publications/penalties-for-late-submission/penalties-for-late-submission?utm_source=openai))
## Strategic Opportunities in Entity & Case Study Contexts
- **For digital nomads or remote contractors** earning income via self-assessment: staying ahead in payments and realizing tax liabilities early avoids exposure to the steeper rates later.
- **For small business entity setups**, embedding compliance checks into bookkeeping: ensure filings and payments are flagged well ahead of 30-day thresholds to avoid the high penalties.
- **Case study:** A sole trader in London with quarterly VAT and annual income tax: missed VAT payment for Q2 by 35 days, but arranged a TTP on day 32. They’ll owe:
- 3% on day 15 amount;
- 3% on day 30 amount;
- Second penalty from day 31 but will stop accruing once payment plan accepted. Total cost significantly lower than ignoring liability entirely.
## Final Thoughts
While rates and schedules have shifted in 2025, the principles remain: **pay early, file on time, and communicate with HMRC**. The reforms benefit those who plan and penalize those who delay. Make 2025-26 the year your tax compliance becomes proactive, not reactive.