Change of https://www.gov.uk/government/publications/the-green-book-appraisal-and-evaluation-in-central-government

Change description : 2026-02-05 15:30:00: The Green Book has been updated in line with commitments arising from the Green Book Review 2025. It is radically shorter and simpler, with duplication and wordiness reduced throughout. The document has been restructured, with most annexes having been merged into the core text to improve comprehensibility. Substantive changes have been made throughout, such as: Value for money and benefit-cost ratios (BCRs) have been reframed, public sector fraud and error have been clarified, and “evaluation” has been removed from the document’s subtitle. [Guidance and regulation]

Showing diff : 2024-05-16 11:32:20.442726687 +00:00..2026-02-05 15:30:53.186585484 +00:00

Guidance

The Green Book Book: appraisal and evaluation in central government

UK

HM governmentTreasury guidance on appraisal. how to appraise and evaluate policies, projects and programmes.

From:
HM Treasury and Government Finance Function
Published
18 April 2013
Last updated
516 FebruaryMay 20262024 — See all updates

Documents

The Green Book (2026)(2022)

PDF, 9391.29 KBMB, 88148 pages

The Green Book (2022)

HTML

Details

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updates

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Update history

2026-02-05 15:30
The Green Book has been updated in line with commitments arising from the Green Book Review 2025. It is radically shorter and simpler, with duplication and wordiness reduced throughout. The document has been restructured, with most annexes having been merged into the core text to improve comprehensibility. Substantive changes have been made throughout, such as: Value for money and benefit-cost ratios (BCRs) have been reframed, public sector fraud and error have been clarified, and “evaluation” has been removed from the document’s subtitle.

2024-05-16 12:32
Removed ‘Agile digital and IT projects: clarification of business case guidance’. This is still visible on the Green Book and accompanying guidance webpage. Moved the Business Case Guidance to a separate gov.​uk website