2019-01-19
Quarterly postal PAYE/class 1 NICs payment
Q3 (2018/19) PAYE/NIC payment due where paid by cheque. The cheque must be with HMRC by this date in order to avoid automatic interest charge.
2019-01-19
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 2018.
2019-01-19
CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous tax month.
2019-01-21
EC sales list
Deadline for online monthly or quarterly return filing.
2019-01-21
Intrastat
Due date for payment of supplementary declarations for December 2018.
2019-01-22
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.
2019-01-22
Quarterly electronic PAYE/class 1 NICs payment
Q3 (2018/19) PAYE/NIC payment due in order to avoid an automatic interest charge.
2019-01-31
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2018 to be submitted to HMRC.
2019-01-31
Self-assessment deadline (payment on account)
Deadline for first self-assessment payment on account for tax year ended 5 April 2018.
2019-01-31
Self-assessment deadline (balancing payments)
Deadline for online submission of self-assessment balancing payments for 2017/18 tax year.