Prince2 7 Principles May 2026
Look back before you leap. Capture lessons from past projects (good and bad) and apply them continuously, not just at the end. 3. Define Roles and Responsibilities (Who Does What?) The Story: In week two, chaos erupts. A developer, Sarah, changes the database structure without telling anyone. The tester, Mike, is furious because his tests now fail. Sarah says, "I thought I was helping."
Three months in, a competitor launches a similar platform. David re-runs the numbers. The original $2M benefit is now only $800k. The project still makes sense, but just barely. He updates the Business Case. At month five, a new technology emerges that would cost an extra $50k but double the speed. David presents this to the board. They agree the extra benefit justifies the cost. The Business Case remains viable until the very end. If it ever became un justified, David would be mandated to stop immediately. prince2 7 principles
Maria nods. "Roll this out to all our project managers next quarter." Look back before you leap
The project must make sense financially and strategically from start to finish. No blind loyalty to a sunk cost. 2. Learn from Experience (Don't Reinvent the Wheel) The Story: On Day 1, David doesn't start planning. He visits the company's "Lessons Log" from a failed IT project three years ago. He reads: "We failed because we didn't test with real customers until the end." Define Roles and Responsibilities (Who Does What