HMRC DEADLINES · 2026 CALENDAR
Every UK tax deadline for 2026. One page.
VAT (all three quarter cycles), Corporation Tax, PAYE, Self Assessment, CIS, Class 1A NIC. Bookmark this page. We update it as HMRC announces changes.
January 2026
- PAYE
Monthly deadline (generic — 22nd of each month)
22 Jandue - Self Assessment
Payment on account (1st)
31 Jandue
February 2026
- VAT · Mar · Jun · Sep · Dec
Q4 2025 return
7 Febdue
March 2026
- VAT · Apr · Jul · Oct · Jan
Q4 2025 return
7 Mardue
April 2026
- VAT · May · Aug · Nov · Feb
Q4 2025 return
7 Aprdue
May 2026
- VAT · Mar · Jun · Sep · Dec
Q1 2026 return
7 Maydue
June 2026
- VAT · Apr · Jul · Oct · Jan
Q1 2026 return
7 Jundue
July 2026
- VAT · May · Aug · Nov · Feb
Q1 2026 return
7 Juldue - Class 1A NIC
P11D / class 1A NIC
22 Juldue - Self Assessment
Payment on account (2nd)
31 Juldue
August 2026
- VAT · Mar · Jun · Sep · Dec
Q2 2026 return
7 Augdue - CIS
Monthly return (July)
19 Augdue
September 2026
- VAT · Apr · Jul · Oct · Jan
Q2 2026 return
7 Septdue
October 2026
- VAT · May · Aug · Nov · Feb
Q2 2026 return
7 Octdue
November 2026
- VAT · Mar · Jun · Sep · Dec
Q3 2026 return
7 Novdue
December 2026
- VAT · Apr · Jul · Oct · Jan
Q3 2026 return
7 Decdue
January 2027
- VAT · May · Aug · Nov · Feb
Q3 2026 return
7 Jandue - Self Assessment
Balancing payment + 1st POA 2026/27
31 Jandue
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