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Guidance

Relief for trading losses (Self Assessment helpsheet HS227)

Find out how to report trading losses in your Self Assessment tax return.

Updates to this page

From:
HM Revenue & Customs
Published:
4 July 2014
Last updated:
6 April 2026
Show all updates

  1. The helpsheet and working sheet for tax year 2025 to 2026 have been added and the helpsheet and working sheet for tax year 2021 to 2022 have been removed.

  2. The helpsheet and working sheet for tax year 2024 to 2025 have been added, and the versions for tax year 2020 to 2021 have been removed.

  3. The helpsheet and working sheet for tax year 2023 to 2024 have been added, and the versions for tax year 2019 to 2020 have been removed.

  4. Helpsheet HS227(2023) and a 2023 working sheet have been added to the page. The helpsheet and working sheet for 2019 have been removed.

  5. Helpsheet HS227(2022) and a 2022 working sheet have been added to the page. The helpsheet and working sheet for 2018 have been removed.

  6. Helpsheet HS227(2021) and a 2021 working sheet have been added to the page.

  7. A new version of the helpsheet and working sheet have been added for the 2019 to 2020 tax year.

  8. The helpsheet and the working sheet have been added for the tax year 2018 to 2019.

  9. The helpsheet and the working sheet have been added for the tax year 2017 to 2018.

  10. The helpsheet and the working sheet have been added for the tax year 2016 to 2017.

  11. Rates, allowances and duties have been updated for the tax year 2016 to 2017.

  12. The HS227 Losses (2015) has been fully rewritten to add clarity.

  13. Rates, allowances and duties have been updated for the tax year 2015 to 2016.

  14. First published.

Documents

HS227 Losses (2026)

HTML

Working sheet: calculating losses (2026)

PDF, 174 KB, 1 page

This file may not be suitable for users of assistive technology.

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email digital.communications@hmtreasury.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

HS227 Losses (2025)

HTML

Working sheet: calculating losses (2025)

PDF, 332 KB, 1 page

This file may not be suitable for users of assistive technology.

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email digital.communications@hmtreasury.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

HS227 Losses (2024)

HTML

Working sheet: calculating losses (2024)

PDF, 171 KB, 1 page

This file may not be suitable for users of assistive technology.

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email digital.communications@hmtreasury.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

HS227 Losses (2023)

HTML

Working sheet: calculating losses (2023)

PDF, 171 KB, 1 page

This file may not be suitable for users of assistive technology.

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email digital.communications@hmtreasury.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

This guide tells you how you can report trading losses in your Self Assessment tax return. It covers:

  • reducing income or capital gains
  • claiming reliefs
  • carrying losses forward against future profits

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