Making Tax Digital (MTD) for Self-Assessment Guide 2026 | HMRC MTD ITSA | NationRules
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HMRC MTD ITSA 2026£50k Threshold April 20264 Quarterly Updates

Making Tax Digital (MTD) for Self-Assessment Guide

Understand HMRC Making Tax Digital (MTD ITSA) mandatory dates, quarterly submission rules, and compatible software requirements for sole traders and landlords.

MTD ITSA Mandatory Date Checker

Check when MTD becomes mandatory based on your gross annual income

Combined self-employment + property income

Your MTD Mandatory Status:

MANDATORY APRIL 2027 — Mandatory from: April 2027
You will be mandated to use MTD from April 2027. Prepare your software now.
Quarterly Updates
4/year
Per Tax Year
EOPS Deadline
31 Jan
End of Period Statement
Final Declaration
31 Jan
Annual Deadline

MTD ITSA Rollout Timeline (2026–2028)

PhaseMandatory FromIncome ThresholdWho Affected
Phase 1April 2026Over £50,000 / yearHigh earners: sole traders & landlords
Phase 2April 2027Over £30,000 / yearMid-income sole traders & landlords
Phase 3April 2028Over £20,000 / yearMost remaining sole traders & landlords
Phase 4TBCUnder £20,000To be confirmed by HMRC

Frequently Asked Questions (FAQs)

Making Tax Digital for Income Tax Self-Assessment (MTD ITSA) requires self-employed individuals and landlords to keep digital records and submit quarterly updates to HMRC using approved software, replacing the traditional annual Self-Assessment return.

MTD ITSA is mandatory from April 2026 for incomes over £50,000, from April 2027 for incomes over £30,000, and from April 2028 for incomes over £20,000.

Under MTD ITSA, you must submit 4 quarterly updates per tax year, plus an End of Period Statement (EOPS) and a Final Declaration by 31 January.

HMRC maintains a list of approved MTD-compatible software providers including QuickBooks, Xero, Sage, FreeAgent, and others. Spreadsheets alone are not compliant.

Yes. Landlords with UK property income exceeding the applicable threshold must comply with MTD ITSA requirements.