New Tax Year, New Tax System: MTD Has Officially Begun

The new UK tax year has arrived, but this time it brings more than just new taxes. It brings the new tax system of MTD.

The way many landlords and sole traders completely changed on 6 April 2026, i.e. yesterday. The familiar once-a-year Self Assessment routine is no longer the only tax return to think about. In its place has now come a digital-first reporting system that requires quarterly updates, digital record-keeping, and an end-of-year Final Declaration.

For landlords and self-employed professionals earning more than £50,000 in combined gross self-employment and property income, this is no longer something to “prepare for later”. It is already live.

How Will MTD Change the UK Tax Routine?

For years, many landlords and sole traders relied on the same familiar tax routine. Keep your receipts in a folder, update a spreadsheet occasionally, hand everything to your accountant around January, file your Self Assessment Tax Return, and that was it.

But that routine has now come to an end. Those within the scope of the new Making Tax Digital (MTD) for Income Tax will now have to file five updates with HMRC – four quarterly updates and one Final Declaration. This means that taxpayers will now have to:

• Keep digital records throughout the year rather than relying on scattered receipts and spreadsheets
• Use HMRC-recognised MTD software to ensure accurate reporting and seamless updates
• Submit four quarterly updates to HMRC, so income and expenses are recorded continuously rather than just annually
• Submit one Final Declaration by 31 January to reconcile accounts and confirm totals  

In practical terms, this means tax administration is no longer a single annual task. It has become a continuous year-round process that keeps records current, reduces errors, and helps taxpayers stay compliant without last-minute stress.

Who Needs to Follow the New Tax System?

In the present first phase, MTD applies to landlords and sole traders with gross self-employment and property income over £50,000.

It’s important to note that HMRC calculates this ‘qualifying income’ before expenses. That means even if your net profit is lower, the total income you received counts toward the threshold.

So, if your rental income plus sole trader turnover exceeded £50,000 in the 2024/25 tax year, the tax year starting 6 April 2026 is your first mandatory MTD year.

And this is just phase one of a gradual rollout. HMRC plans to expand the MTD system in the coming years in the following way:

• From April 2027, landlords and sole traders earning £30,000 or more will need to comply
• From April 2028, the threshold drops further to £20,000

So even if the new system doesn’t affect you today, it’s likely coming your way soon. Understanding these thresholds now can help you prepare and avoid any surprises as the digital tax era unfolds.

Why This Tax Year Feels Different

Every tax year brings small changes, but this one is unlike any before. This year doesn’t just tweak numbers; it changes the behaviour required to stay compliant.

For years, landlords and sole traders only really thought about tax when January came around. It was a once-a-year task, often left until the last minute. That mindset no longer works. Under the new system, tax is no longer something you think about once a year. It now needs attention every quarter, changing the rhythm of how you manage your finances.

That naturally leads to cleaner bookkeeping habits, real-time visibility over profit, fewer missed expenses, earlier tax forecasting, and less panic. And this could actually be one of the biggest benefits of Making Tax Digital. Better records lead to better decisions, stronger cash flow control, and fewer surprises.

The key to thriving under Making Tax Digital isn’t working harder, it’s working differently. The smartest approach is to stop treating tax as a once-a-year scramble and start thinking of it as a continuous process.

MTD will reward taxpayers who develop simple digital habits. Recording transactions weekly, connecting your bank feeds, categorising expenses early, and reviewing your numbers month by month instead of waiting until January. These small changes will make a huge difference over the course of the year.

With the right MTD-compatible software, like RentalBux, and guidance from experts like UK Property Accountants, quarterly updates can feel far less stressful than the traditional Self Assessment rush.

Conclusion

This tax year introduces a significant change for landlords and sole traders. Making Tax Digital is now live for those with income above the £50,000 threshold.

Those who adjust to the new system are likely to find the process smoother and less stressful, while those who continue waiting may face challenges.