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Tax deadline calendar

Every UK tax date for the year ahead

Self-assessment, VAT, payroll and company deadlines, month by month. Company dates assume the year end shown next to them; yours may differ.

The ones most people miss

  • VAT return and payment
  • Online tax return and balancing payment
  • Making Tax Digital threshold falls to £30,000
  • Second payment on account

UK example dates, October 2026 to September 2027.

  1. October 2026

    • Register for self-assessment Self-assessment If you started working for yourself in the 2025/26 tax year.
    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.
    • Paper tax return deadline Self-assessment 2025/26 returns filed on paper. Online returns have until 31 January.

  2. November 2026

    • VAT return and payment VAT Quarter to 30 September.
    • Making Tax Digital quarterly update Self-assessment Income Tax, 6 July to 5 October.
    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.

  3. December 2026

    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.
    • File online to pay through your tax code Self-assessment For bills under £3,000 if you are also employed.
    • Accounts due at Companies House Company For a 31 March 2026 year end.

  4. January 2027

    • Corporation tax payment Company For a 31 March 2026 year end.
    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.
    • Online tax return and balancing payment Self-assessment 2025/26 return, plus the first payment on account for 2026/27.

  5. February 2027

    • VAT return and payment VAT Quarter to 31 December.
    • Making Tax Digital quarterly update Self-assessment Income Tax, 6 October to 5 January.
    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.

  6. March 2027

    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.
    • Corporation tax return Company For a 31 March 2026 year end.

  7. April 2027

    • Tax year ends Self-assessment Last day to use this year’s allowances and pension relief.
    • Making Tax Digital threshold falls to £30,000 Self-assessment Sole traders and landlords above it keep digital records and file quarterly.
    • Final payroll submission for 2026/27 Payroll The last employer payment summary of the tax year.
    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.

  8. May 2027

    • VAT return and payment VAT Quarter to 31 March.
    • Making Tax Digital quarterly update Self-assessment Income Tax, 6 January to 5 April.
    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.
    • P60s to every employee Payroll Everyone on the payroll on 5 April.

  9. June 2027

    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.
    • Accounts due at Companies House Company For a 30 September 2026 year end.

  10. July 2027

    • Benefits in kind forms Payroll P11D and P11D(b) for 2026/27.
    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.
    • Second payment on account Self-assessment Towards your 2026/27 tax bill.

  11. August 2027

    • VAT return and payment VAT Quarter to 30 June.
    • Making Tax Digital quarterly update Self-assessment Income Tax, 6 April to 5 July.
    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.

  12. September 2027

    • PAYE and National Insurance payment Payroll Paid electronically for the previous tax month.
    • Accounts due at Companies House Company For a 31 December 2026 year end.

These are example dates for the 2026/27 tax year, for guidance only. Check the official government guidance or ask us before you rely on a date for your business.

Guides for the dates above

Hand the calendar to us

Every date that applies to you goes on our calendar. You get a reminder, a figure and a filed return, well before the deadline.

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Or ring 01632 960 471, Monday to Friday 8:30 to 17:30.

The meeting room at the practice, with a table, two chairs and a flip chart