The UK tax year for individuals starts and ends in April. After that, you’ll have 7 to 10 months to prepare your tax return

Here are the dates that you need to remember:

UK tax year dates

  • The tax year for individuals: April 6th to April 5th.

Tax filing deadlines

  • Self Assessment registration (you can do it here): October 31st
  • Income tax filing deadline (paper): October 31st
  • Income tax filing deadline (online): January 31st.

Tax payment deadlines

  • Income tax payment deadline: January 31st
  • Class 2 National Insurance Contribution (NIC) payment deadline: October 31st
  • if you’re self-employed, you’ll have to pay your second Payment on Account (read more about it here) before July 31st.

Dates you need to know