Self-assessment deadline (online)
Deadline for online submission of self-assessment tax return for 2017/18 tax year.
Deadline for online submission of self-assessment tax return for 2017/18 tax year.
New fuel rates come into force.
Deadline for first self-assessment payment on account for tax year ended 5 April 2018.
Deadline for online submission of self-assessment tax returns for tax year ended 5 April 2018 for HMRC to collect tax through PAYE codes, where they owe less than £3,000.
Taxpayers who do not receive a self-assessment tax return to complete must notify HMRC by 5 October if they had income or capital gains in the previous tax year on which further tax is due.