UK Tax Dates for 2018/2019 tax year

Fiscal year 2018-19 runs from 6th April 2018 to 5th April 2019 in UK and has following Important dates for income tax and payroll (PAYE)

PAYE Key Dates:

  • 5th April 2018 – End of 2017/2018 tax year.
  • 5th April 2018 – Deadline for claiming your PAYE tax refund for the tax year 2013/2014.
  • 6th April 2018 – 1st day of the new tax year 2018/2019.
  • 31st May 2018 – Copies of 2017/2018 P60 issued to employees.
  • 6th July 2018 – Copies of 2017/2018 P11D issued to employees.
  • 6th July 2018 – Last date for agreeing payment settlements agreements for 2016/2017 if applicable.
  • 6th April 2019 – End of tax year 2018/2019. 

 

Self-Assessment Key Tax Dates:

  • 31st January 2018 – Deadline for first payment on account for the tax year 2017/2018.
  • 5th April 2018 – Deadline for claiming tax overpaid for the 2013/2014 tax year under self-assessment.
  • 31st July 2018 – Deadline for second payment on account for the tax year 2017/2018.
  • 5th October 2018 – Deadline to register with HMRC if you became self-employed or started receiving income from property.
  • 31st October 2018 (12 a.m.) – Deadline for paper self-assessment returns for the 2018/2019 tax year.
  • 30th December 2018 – Deadline for online submission of self-assessment tax returns for the year ending on 5th April 2017 for HMRC to collect tax through PAYE tax codes where they owe less than £3,000.
  • 31st January 2019 (12 a.m.) – Deadline for online self-assessment tax returns for the 2017/2018 tax year.
  • 31st January 2019 (12 a.m.) – Deadline for paying tax bill for the tax year ending on 5th April 2017/2018.
  • 5th April 2019 – End of 2018/2019 tax year.
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