HMRC Tax Deadlines For 2018 to 2019 Tax Year



April 2018


06 - First day of new tax year


07 – Deadline for VAT returns and payments of Accounting Quarter period ending 28 February 2018


14 – income tax due date for CT61 period to 31 March 2018


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC



May 2018


07 – Deadline for VAT returns and payments of Accounting Quarter period ending 31 March 2018


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC


31 – Give a P60 to all employees on your payroll



June 2018


07 – Deadline for VAT returns and payment Accounting Quarter period ending 30 April 2018 if filed online.


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC



July 2018


05 – Deadline for PAYE Settlement Agreement (PSA)


06 – Submit P11D forms online to HMRC, give employees a copy of the information and inform HMRC the total amount of Class 1A National Insurance owed on form P11D(b)


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC



August 2018


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC



September 2018


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC



October 2018


05 – Deadline to notify chargeability of Income Tax/Capital Gains Tax for 2017/18


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC


31 – Deadline for postal submission of Self Assessment tax returns for tax year ended 5 April 2018 to be received by HMRC



November 2018


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC



December 2018


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC


30 – Deadline for online submission of Self Assessment tax returns for tax year ended 5 April 2018



January 2019


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC


31 – Deadline for filing Self Assessment Tax Returns for tax year ended 5 April 2018 and 2017/18 Capital Gains Tax


31 - Deadline for first payment on Self Assessment account for 2018/19



February 2019


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC



March 2019


19 – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC


22 – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC



April 2019


05 – 2018/19 tax year ends

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