Guidance

Impact assessment and options assessment calculator

Help for policy officials to calculate figures for impact assessments (IAs) and options assessments (OAs).

From:
Department for Business and Trade
Published
13 May 2013
Last updated
4 April 2025 鈥� See all updates

Documents

MS Excel Spreadsheet, 471 KB

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 [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

ODT, 272 KB

This file is in an OpenDocument format

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 [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

The calculator automatically generates the main figures needed by policy officials for their IA and OA, using the profile of costs and benefits for each option.

Updates to this page

Published 13 May 2013
Last updated 4 April 2025 show all updates

  1. Impact assessment calculator (reforms 2023) ODS: updated GDP deflators to March 2025 figures.

  2. Impact assessment calculator (reforms 2023) and Impact assessment calculator user guide (reforms 2023) updated. Impact assessment calculator and Impact assessment calculator guide deleted.

  3. Attachments 'Impact assessment calculator (reforms 2023) and 'Impact assessment calculator user guide (reforms 2023)' to reflect 100 year extension.

  4. Updated GDP deflators to those published on 30 Sep 2023.

  5. Added Impact assessment calculator (2023 reforms). Added Impact assessment calculator guide (2023 reforms).

  6. Updated Impact assessment calculator.

  7. Impact assessment calculator and user guide updated.

  8. GDP deflators updated.

  9. Impact assessment calculator and user guide updated.

  10. Replaced Impact assessment calculator file.

  11. Updated calculator with the latest Gross Domestic Product (GDP) deflator figures.

  12. Updated versions added

  13. Impact Assessment calculator updated

  14. Have updated the calculator document

  15. IA calculator has been updated

  16. Impact assessment calculator updated

  17. IA calculator user guide

  18. New IA template attached.

  19. Updated calculator with new GDP deflator figures.

  20. Updated calculator with new GDP deflator figures.

  21. Updated to include latest GDP deflators - addition of user guide.

  22. We have uploaded a version with updated GDP deflators (October 2018 version).

  23. Calculator updated.

  24. Calculator updated.

  25. Calculator updated to reflect ONS latest release

  26. Updated version of the calculator.

  27. Calculator updated.

  28. Calculator updated.

  29. Calculator updated.

  30. Calculator updated.

  31. Calculator updated.

  32. Calculator updated.

  33. Calculator updated January 2015.

  34. Calculator updated October 2014

  35. Calculator updated July 2014.

  36. Calculator updated.

  37. Calculator updated.

  38. Spreadsheet updated.

  39. Updated version of impact assessment calculator released.

  40. First published.

Sign up for emails or print this page

Related content