Compliance
Compliance Checklist: Meeting HMRC’s New Reporting & Self-Assessment Thresholds
Big changes are underway: HMRC has raised income thresholds for Self-Assessment, adjusted late payment penalties, and expanded making tax digital. Stay ahead of compliance with this guide.
By NomadicTax Research Team • 5-8 min read • November 21, 2025
## Major Compliance Changes Announced
Recent reforms aim to simplify tax administration and ensure compliance:
- The Income Tax Self-Assessment (ITSA) reporting threshold for trading income has been increased from **£1,000 to £3,000 gross**, meaning many small-scale earners no longer need to file Self-Assessment returns. ([gov.uk](https://www.gov.uk/government/news/boost-for-side-hustlers-as-300000-people-to-be-taken-out-of-tax-returns-government-announces?utm_source=openai))
- Penalties for late payment for VAT & Self-Assessment are adjusted effective **6 April 2025**: 3% after 15 days, another 3% after 30 days, and a 10% per annum rate thereafter. ([gov.uk](https://www.gov.uk/government/publications/supporting-documents-for-spring-statement-2025/spring-statement-2025-policy-costings?utm_source=openai))
- Making Tax Digital (MTD) for Income Tax will roll out to sole traders and landlords depending on income thresholds: over £50,000 from April 2026; over £30,000 from April 2027; over £20,000 from April 2028. ([gov.uk](https://www.gov.uk/government/publications/hmrc-transformation-roadmap/hmrcs-transformation-roadmap?utm_source=openai))
## Practical Compliance Steps for Small Businesses & Side Hustlers
1. **Check whether you still need to file Self-Assessment**
If your trading income is under £3,000 (or combined other income types under thresholds), you may no longer need to file. However, you might still need to report via simpler digital services. ([gov.uk](https://www.gov.uk/government/news/boost-for-side-hustlers-as-300000-people-to-be-taken-out-of-tax-returns-government-announces?utm_source=openai))
2. **Plan for new MTD obligations**
If you expect trading income or rental income to exceed the £50,000 threshold in 2026, now is the time to adopt compatible accounting software and systems. ([gov.uk](https://www.gov.uk/government/publications/hmrc-transformation-roadmap/hmrcs-transformation-roadmap?utm_source=openai))
3. **Watch penalty timelines**
Make sure VAT and Self-Assessment payments are on time. Even short delays (15 or 30 days) now carry fixed penalties. Budget for sufficient cash-flow buffer. ([gov.uk](https://www.gov.uk/government/publications/supporting-documents-for-spring-statement-2025/spring-statement-2025-policy-costings?utm_source=openai))
4. **Keep accurate, timely records**
With more frequent reporting, digital tools help. Maintain income, expense, travel/work logs especially if working globally or part-time.
## Example Scenarios
- **Tom** sells handmade crafts online as a side hustle. Before, with £1,200 income, he’d need to file and possibly pay tax. With the threshold now at £3,000, he may avoid Self-Assessment entirely and report via a digital service.
- **Lucy**, a landlord with £35,000 in rental income: she will fall under MTD starting April 2027 and hence must be ready with software and record keeping by that date.
- **Raj**, a consultant working in/for UK and abroad: delays in overseas workday documentation (travel receipts, country‐by‐day logs) may hamper reliefs; better maintain digital logs.
## Risks & Penalties
- Missing new deadlines or failing to adopt required digital systems can lead to automatic penalties.
- Poor record keeping might disqualify reliefs or lead to overpayment of tax.
- Unawareness of new thresholds can result in over-filing or paying unnecessary compliance service fees.
## Bottom Line
The UK’s tax system is shifting towards simpler thresholds, increased digital reporting, and stricter penalty structures. For individuals or small businesses: the key is to audit your income sources, adopt compliant tools, plan ahead for thresholds, and ensure no surprises come 2026–2028 revisions.