HM Revenue and Customs (HMRC) must receive your tax return and any money you owe by the deadline.
The last tax year started on 6 April 2018 and ended on 5 April 2019.
- paper tax returns, midnight 31 October 2019
- online tax returns, midnight 31 January 2020
- pay the tax you owe, midnight 31 January 2020
For further information please visit the GOV.UK website.