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Deadlines

Tax calendar.

Every key UK tax deadline for individuals, businesses and employers — filter by who you are and plan ahead.

All audiencesindividualssole traderslimited companiesemployers

August 2026

  • 7
    Aug
    VAT↻ recurring

    VAT return — quarter ending 30 June

  • 22
    Aug
    PAYE / RTI↻ recurring

    Monthly PAYE/NIC/CIS payment due (electronic)

September 2026

  • 1
    Sept
    PAYE / RTI↻ recurring

    New advisory fuel rates effective

  • 22
    Sept
    PAYE / RTI↻ recurring

    Monthly PAYE/NIC/CIS payment due (electronic)

October 2026

  • 5
    Oct
    Self Assessment↻ recurring

    Self Assessment registration deadline

    Register if you became newly self-employed or have new untaxed income.

  • 22
    Oct
    PAYE / RTI↻ recurring

    Monthly PAYE/NIC/CIS payment due (electronic)

  • 31
    Oct
    Self Assessment↻ recurring

    2025/26 Self Assessment paper return deadline

    £100 automatic penalty if your paper return is late.

November 2026

  • 7
    Nov
    VAT↻ recurring

    VAT return — quarter ending 30 September

  • 22
    Nov
    PAYE / RTI↻ recurring

    Monthly PAYE/NIC/CIS payment due (electronic)

December 2026

  • 1
    Dec
    PAYE / RTI↻ recurring

    New advisory fuel rates effective

  • 22
    Dec
    PAYE / RTI↻ recurring

    Monthly PAYE/NIC/CIS payment due (electronic)

January 2027

  • 22
    Jan
    PAYE / RTI↻ recurring

    Monthly PAYE/NIC/CIS payment due (electronic)

  • 31
    Jan
    Self Assessment↻ recurring

    2026/27 first payment on account

  • 31
    Jan
    Self Assessment↻ recurring

    2025/26 Self Assessment online return + balancing payment due

    £100 automatic penalty if late. Pay tax owed for 2025/26.

February 2027

  • 7
    Feb
    VAT↻ recurring

    VAT return — quarter ending 31 December

  • 22
    Feb
    PAYE / RTI↻ recurring

    Monthly PAYE/NIC/CIS payment due (electronic)

March 2027

  • 1
    Mar
    PAYE / RTI↻ recurring

    New advisory fuel rates effective

  • 22
    Mar
    PAYE / RTI↻ recurring

    Monthly PAYE/NIC/CIS payment due (electronic)

Never miss a UK tax deadline

Missing a filing or payment deadline means automatic penalties and interest from HMRC — even when no tax is due. This calendar brings the key UK tax dates together in one place so you can plan ahead: Self Assessment, VAT returns, PAYE and CIS, corporation tax, and Companies House filings. If you would rather never think about deadlines again, we handle them for you.