Rates & Tools

Tax rates


Notes on interest charges
Income and capital gains tax late payment penalties
  • A penalty of 5% of the income and CGT unpaid more than 30 days after the due date of tax payable under self-assessment (SA) for a particular year. For example, the SA return year 2016/17, tax due by 31 January 2018 and 2017/18 by 31 January 2019.
  • There is a further penalty of 5% for tax remaining unpaid six months after the normal filing date of the return.
  • An additional 5% (as well as the two previous 5% penalties) is due if the tax remains unpaid after twelve months.