Glossary · Self-assessment
Tax deadlines
The key dates: 31 October for pay and file, 15 December and 31 January for Capital Gains Tax.
Income tax returns and preliminary tax are due by 31 October, later through ROS. Capital Gains Tax on disposals from January to November is due by 15 December, and on December disposals by 31 January. Gift and inheritance tax returns are due by 31 October for valuation dates in the year to 31 August.
Related terms
Tax calendar · Pay and file · Paying CGT
All terms · General information, not tax advice.