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First Making Tax Digital (MTD) Quarterly Filing Deadline Approaching: 7 August 2026 

First Making Tax Digital (MTD) Quarterly Filing Deadline Approaching: 7 August 2026 

Two weeks. That is all the time left before the most significant change to personal tax reporting in a generation hits its very first deadline. And right now, hundreds of thousands of people who should be ready simply are not. 

The 7 August 2026 deadline is not a soft reminder. It is the date by which sole traders and landlords across the UK must submit their first Making Tax Digital quarterly update to HMRC. Miss the moment, and a system you were legally required to join back in April will have already left you behind. 

Who Is Affected? 

Sole proprietors and landlords having qualifying income more than £50,000 for the 2024 to 2025 tax year fall under this category. In case the income has been derived from self-employed as well as rental property income, both sources will be considered for qualifying income. 

The estimate made by HMRC is 864,000 people falling under the affected population bracket. The first quarterly update will cover the period between 6 April to 5 July 2026. 

Not sure if this applies to you? Our sole trader accounting team and landlord accounting specialists can confirm your position in minutes. 

More Than Half a Million People Still Not Ready 

In its own press release dated 2 July 2026, HMRC reported that more than 350,000 sole traders and landlords had signed up to MTD for Income Tax. Against a mandated pool of 864,000, that means well over half a million people are either late to register or yet to engage at all. 

Separately, Lloyds Banking Group surveyed sole traders directly and found 55% still had outstanding preparation to complete before their first submission. On HMRC’s own estimates, that works out to roughly 475,000 businesses not yet fully ready. 

Over half a million people. Two weeks to go. 

What the Quarterly Update Actually Is 

Before anyone panics, one thing needs to be said clearly. This quarterly update is not a tax return. 

HMRC has emphasised this repeatedly. It is a short digital summary of income and expenses, generated by your compatible software, reviewed by you, and submitted in minutes. Your January self-assessment deadline has not changed. Your tax payment dates have not changed. 

What does change is the rhythm. Instead of one annual scramble in January, you are now reporting four times a year. The remaining deadlines in this tax year fall on 7 November 2026, 7 February 2027, and 7 May 2027. The full Final Declaration for 2026 to 2027 comes due on 31 January 2028. 

For a full breakdown of how Making Tax Digital works for sole traders, including software options and what records you need to keep, our guide covers it in detail. 

Penalties: The Grace Period Has Limits 

There is a genuine soft landing in play. HMRC has confirmed no penalty points will be issued for late quarterly updates during this first year. That grace is real. 

But it has limits. Late Self Assessment returns and late payments carry penalties from day one, as they always have. And crucially, all four quarterly updates must still be filed before you can complete your Final Declaration. You cannot skip one and carry on. 

The Bigger Picture Behind MTD 

This rollout is just the beginning. From April 2027, MTD applies to people with income from £30,000 up to £49,999. From April 2028, the threshold will be reduced further to £20,000. HMRC estimates the regime will eventually pull in close to 4.2 million self-employed individuals and landlords. 

The context matters here too. HMRC recently reported the UK tax gap stands at £59.2 billion, equal to 6.4% of all tax due, with small businesses responsible for 62% of that figure. MTD is part of a deliberate strategy to close that gap through real-time digital data. 

Quarterly updates give HMRC a picture of your income and expenses throughout the year, not just when you choose to file. 

What to Do Before 7 August 

If you are in scope and have not yet acted, the steps are straightforward. Sign up through GOV.UK. Connect HMRC-recognised compatible software; free options are available. Get your income and expenses from 6 April to 5 July 2026 recorded digitally. Submit before 7 August. 

If any part of that feels uncertain, whether it is confirming your eligibility, getting your records in shape, or understanding what your software is asking you to do, speak to a Lanop accountant this week. The deadline will not wait. 

Lanop’s team is actively supporting sole traders and landlords through their first MTD submissions. Contact us today for clear, practical guidance on what to do next. 

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