UK Tax Deadline Calendar 2026/27
Every HMRC deadline for the 2026/27 tax year in one Notion page. Duplicate it to your workspace in one click — no email required.
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Self Assessment deadlines
Registration deadline (5 October), paper return (31 October), online return (31 January), and balancing payment dates.
MTD quarterly submissions
All four quarterly submission deadlines (Q1–Q4) and the Final Declaration deadline under Making Tax Digital for Income Tax.
Payment on account
Both payment on account dates — 31 January and 31 July — with notes on how the amounts are calculated.
VAT return guide
Quarterly VAT return deadlines for standard VAT-registered businesses, plus the VAT registration threshold reminder.
Want the full tracking system?
The free calendar shows you the deadlines. The Self Assessment + MTD Tracker gives you the linked databases to track your income, expenses, and quarterly submissions all year round.
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