Dates and Deadlines

31 January 2021

  • Balancing payment

    Midnight deadline to pay any outstanding tax you owe from 2018/19.

  • First payment on account

    Midnight deadline to pay half of any tax owed for 2019/20. Because of COVID-19, it’s possible to defer this until 31 January 2022.

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2020.

  • Company accounts filing deadline

    Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.

  • Personal tax returns (online)

    Midnight deadline to submit online tax returns for 2019/20 through self-assessment.

01 February 2021

  • Corporation tax payment

    Corporation tax payment due for year end 30 April 2020, for those companies not liable to pay their liability by instalments.

07 February 2021

  • VAT return

    Due date for December VAT returns unless exempted.

14 February 2021

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

19 February 2021

  • Monthly postal PAYE/class 1 NICs/student loan payment

    If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from January 2021.

  • CIS return

    Construction Industry Scheme: monthly return due for period up to 5th of previous month.

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