Guides to MTD for Income Tax
Short, dated guides for sole traders and landlords. Each one links to the GOV.UK pages it's based on. Last full check: 3 November 2026.
- Self Assessment deadline 31 January 2027: what's due, and late penaltiesWhat's due, what late costs, and why this return sets your MTD date.
- Earning over £30,000? MTD starts for you in April 2027Is it you, what changes, and what to do first.
- Joining MTD in April 2027? No penalty points for late updates in year oneWhat Budget 2026 changed, and what still costs you.
- MTD for Income Tax: every key date, 2026 to 2028Thresholds, start dates and the four quarterly deadlines.
- What counts as qualifying income (with examples)Turnover, not profit, and what's left out.
- Quarterly updates: what you send, when, and the penaltiesPlus a simple routine that works.
Not sure where to start?
Use the start-date checker first. It tells you which tax year matters for you, then come back here for the detail.