Dates & deadlines

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31 January 2019

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2018 to be submitted to HMRC.

  • Self-assessment deadline (payment on account)

    Deadline for first self-assessment payment on account for tax year ended 5 April 2018.

  • Self-assessment deadline (balancing payments)

    Deadline for online submission of self-assessment balancing payments for 2017/18 tax year.

  • Self-assessment deadline (online)

    Deadline for online submission of self-assessment tax return for 2017/18 tax year.

  • Company accounts filing deadline

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

01 February 2019

  • Corporation tax payment

    Corporation tax payment due for year end 30 April 2018, for those companies not liable to pay their liability by instalments.

07 February 2019

  • VAT return

    Due date for December VAT returns unless exempted.

14 February 2019

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

19 February 2019

  • 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 2019.

  • CIS return

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