The Green Book 2026: updates following the 2025 review February 26th, 2026 by Simon Webster Public investment decisions across the United Kingdom are underpinned by HM Treasury’s Green Book, the government’s guidance on appraisal. In January 2025 the Chancellor announced a review of the Green Book and how it is being applied in practice. The review culminated in the publication of Green Book Review 2025: Findings and actions[1] and was…
