Expired deadlines

01 Feb 2018

  • Auto-enrolment staging dates

    Auto-enrolment staging date for new employers with PAYE income first payable between 1 July 2017 and 30 September 2017.

31 Jan 2018

  • Self-assessment deadline (payment on account)

    Deadline for first self-assessment payment on account for tax year ended 5 April 2017.

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2017 to be submitted to HMRC.

  • Company accounts filing deadline

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

  • Self-assessment deadline (online)

    Deadline for online submission of self-assessment tax return for 2016/17 tax year.

  • Self-assessment deadline (balancing payments)

    Deadline for online submission of self-assessment balancing payments for 2016/17 tax year.

22 Jan 2018

  • Quarterly electronic PAYE/class 1 NICs payment

    Q3 (2017/18) PAYE/NIC payment due in order to avoid an automatic interest charge.

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

    If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.

21 Jan 2018

  • EC sales list

    Deadline for online monthly or quarterly return filing.

  • Intrastat

    Due date for payment of supplementary declarations for December 2017.

19 Jan 2018

  • 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 December 2017.

  • Quarterly postal PAYE/class 1 NICs payment

    Q3 (2017/18) PAYE/NIC payment due where paid by cheque. The cheque must be with HMRC by this date in order to avoid automatic interest charge.

  • CIS return

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

14 Jan 2018

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

  • CT61 payment

    Due date for income tax for the CT61 quarter to 31 December 2017.

07 Jan 2018

  • VAT return

    Due date for November VAT returns unless exempted.

01 Jan 2018

  • Removal of capital gains indexation allowance

    Disposals made after this date, the indexation will no longer be calculated up to the month in which the disposal of the asset occurs.

  • Auto-enrolment staging dates

    Auto-enrolment staging date for new employers with PAYE income first payable between 1 October 2016 and 30 June 2017.

  • Research & Development Expenditure Credit (RDEC)

    For larger companies, the RDEC increases to 12% for all qualifying research.

  • Corporation tax payment

    Corporation tax payment due for year end 31 March 2017, for those companies not liable to pay their liability by instalments.