What is the Treasury Green Book 5 case model?

The Treasury Green Book five case model is recommended by the guidance in the HMT Green Book of the HM Treasury, which is the central government's instructions on appraisal and evaluation of business cases. It includes 5 critical parts: the Strategic Case, Economic Case, Commercial Case, Financial Case, and Management Case.

Last edited on: 30 Jun 2026

Project Management related articles

Risk management on projects
image
Discover how risk management on projects contributes to project success. Learn proven strategies to mitigate risks and increase the chance of achieving your project goals.
Project management apprenticeships
image
Seeking a project management apprenticeship? This guide details the leading five apprenticeship programmes and providers across the UK. Acquire essential skills and start your professional journey while earning money.
APM qualification cost
image
Learn about the hidden costs associated with APM courses, including typical exam and material fees. Read on to plan your budget effectively.
Essential project management skills
image
Learn the essential project management skills you need to succeed at delivering projects. Read this handy guide to develop these key capabilities and become a better project leader.
PRINCE2 Agile behaviours
image
Learn about the five key behaviours in PRINCE2 Agile that can enhance agility in your projects. Scroll down to read more.
Project delivery essentials
image
Refine project delivery skills and improve your chances of landing the project management job you’ve been dreaming of.
WBS – Work Breakdown Structure
image
If you want to ensure that your project is managed successfully, then you need to be sure to use the Work Breakdown Structure. Read this guide to learn more about this valuable tool and how you can use it.
Project management triangle
image
The project management triangle is a key factor in the success of a project. Learn how to balance scope, time and cost for project goals and deliver exceptional results.
PRINCE2 Agile cost
image
Understand the costs of PRINCE2 Agile courses and what to expect beyond the course fee. Read on to plan your budget effectively.
How PRINCE2 Agile qualifications can help your career
image
PRINCE2 Agile was developed in response to popular demand. It combines the flexibility of agile with the defined governance of PRINCE2. PRINCE2 Agile gives PRINCE2 project managers the tools needed to manage agile projects.
PRINCE2 Agile resources
image
For this article we have curated the best resources about PRINCE2 Agile, including those from Keith Richards, the author of PRINCE2 Agile, and an agile thought-leader in the UK.
Project Management Body of Knowledge (PMBOK)® – Book Review
image
Explore a thorough review of the PMBOK® Guide - Seventh Edition, detailing its relevance and use in project management. Read on to assess its value for your projects.