Impact assessment calculator
Help for policy officials to calculate figures for impact assessments.
Documents
Details
Provides help for policy officials to calculate the figures needed for their impact assessment. The calculator automatically generates the main figures needed for the impact assessment summary pages, using the profile of costs and benefits for each option.
(PC users: right-click on above link, select ‘save target as’ option).
Last updated
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Impact assessment calculator and user guide updated.
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GDP deflators updated.
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Impact assessment calculator and user guide updated.
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Replaced Impact assessment calculator file.
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Updated calculator with the latest Gross Domestic Product (GDP) deflator figures.
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Updated versions added
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Impact Assessment calculator updated
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Have updated the calculator document
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IA calculator has been updated
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Impact assessment calculator updated
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IA calculator user guide
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New IA template attached.
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Updated calculator with new GDP deflator figures.
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Updated calculator with new GDP deflator figures.
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Updated to include latest GDP deflators - addition of user guide.
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We have uploaded a version with updated GDP deflators (October 2018 version).
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Calculator updated.
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Calculator updated.
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Calculator updated to reflect ONS latest release
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Updated version of the calculator.
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Calculator updated.
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Calculator updated.
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Calculator updated.
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Calculator updated.
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Calculator updated.
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Calculator updated.
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Calculator updated January 2015.
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Calculator updated October 2014
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Calculator updated July 2014.
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Calculator updated.
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Calculator updated.
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Spreadsheet updated.
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Updated version of impact assessment calculator released.
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First published.
Update history
2025-04-04 15:17
Impact assessment calculator (reforms 2023) ODS: updated GDP deflators to March 2025 figures.
2025-02-06 12:57
Impact assessment calculator (reforms 2023) and Impact assessment calculator user guide (reforms 2023) updated. Impact assessment calculator and Impact assessment calculator guide deleted.
2024-04-16 17:11
Attachments ‘Impact assessment calculator (reforms 2023) and ‘Impact assessment calculator user guide (reforms 2023)’ to reflect 100 year extension.
2023-10-31 13:49
Updated GDP deflators to those published on 30 Sep 2023.
2023-04-14 16:48
Updated Impact assessment calculator.
2023-01-11 16:00
Impact assessment calculator and user guide updated.
2022-10-26 11:36
GDP deflators updated.
2022-07-29 15:12
Impact assessment calculator and user guide updated.
2022-04-04 16:06
Replaced Impact assessment calculator file.