Department for Business and Trade gov.uk

Guidance: Impact assessment and options assessment calculator

Imported from official source

May 12, 2013 23:00

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

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

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

GDP deflators updated in impact assessment calculator spreadsheet. Discount rate updated in line with new HMT guidance.

Updated GDP deflators were added to the impact assessment calculator.

The impact assessment calculator and guidance updated for present value and price year 2026.

GDP deflators updated in impact assessment calculator speadsheet.

Impact assessment calculator (reforms 2023) ODS: updated to remove spurious data in Option 1 worksheet.

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

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

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

Updated GDP deflators to those published on 30 Sep 2023.

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

Impact assessment calculator and user guide updated.

Replaced Impact assessment calculator file.

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

Updated calculator with new GDP deflator figures.

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

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

Calculator updated to reflect ONS latest release

This is an extract. The publication continues at the source.

Read the original at the source: https://www.gov.uk/government/publications/impact-assessment-and-options-assessment-calculator

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Provenance

Organization: Department for Business and Trade — imported from official source
Official source: https://www.gov.uk/government/organisations/department-for-business-and-trade.atom ATOM
Imported: September 18, 2026 11:34
Versions: 1 recorded
Identity: https://www.gov.uk/government/publications/impact-assessment-and-options-assessment-cal...