PRINCE2, which stands for Projects IN Controlled Environments, is a widely used project management methodology that is popular in the United Kingdom and around the world. It provides a structured approach to managing projects, ensuring that they are delivered successfully and on time.
There are 10 key principles of PRINCE2 that every project manager should be familiar with. These principles form the foundation of the methodology and guide project managers in their decision-making processes.
The first principle is continued business justification. This means that throughout the project, the business case for the project should be regularly reviewed to ensure that it is still viable and that the project is delivering value to the organization.
The second principle is learn from experience. PRINCE2 encourages project managers to learn from past projects, both successes and failures, and to apply those lessons to current and future projects. 5 Must-Have Skills for Mastering PRINCE2 Methodology .
The third principle is defined roles and responsibilities. In PRINCE2, it is important that everyone involved in the project understands their roles and responsibilities, from the project manager to the team members to the stakeholders.
The fourth principle is manage by stages. PRINCE2 breaks projects down into manageable stages, with each stage having its own objectives and deliverables. This approach allows for better control and monitoring of the project.
The fifth principle is manage by exception. PRINCE2 empowers project managers to focus on the exceptions, or issues that deviate from the plan, rather than getting bogged down in the day-to-day details.

The sixth principle is focus on products. PRINCE2 emphasizes the importance of defining and delivering products, or tangible outcomes, throughout the project. This helps to ensure that the project is delivering real value to the organization.
The seventh principle is tailor to suit the project environment. PRINCE2 is a flexible methodology that can be tailored to suit the specific needs and constraints of each project. This ensures that the methodology is not overly prescriptive and can be adapted to different situations.
The eighth principle is defined processes. PRINCE2 provides a set of defined processes for managing projects, from starting up a project to closing a project. These processes provide a clear roadmap for project managers to follow.
The ninth principle is manage by exception. PRINCE2 empowers project managers to focus on the exceptions, or issues that deviate from the plan, rather than getting bogged down in the day-to-day details.
The tenth principle is focus on continuous improvement. PRINCE2 encourages project managers to continually review and improve their processes and practices, in order to deliver better results in future projects.
In conclusion, the 10 key principles of PRINCE2 provide a solid foundation for project managers to successfully manage their projects. By following these principles, project managers can ensure that their projects are delivered on time, within budget, and to the satisfaction of stakeholders.