Not sure who can be the Principal Designer (PD) under the new CDM 2015 Regulations? please have a look at the great video below from Mark Lynch explaining the role.

More info on Principal Designer


The role of a Principal Designer is a crucial aspect of the Construction (Design and Management) Regulations 2015 (CDM 2015). In this blog post, we will explore the requirements and responsibilities of a Principal Designer under the new regulations. Gain a clear understanding of who can fulfil this role and the importance of their involvement in ensuring health and safety throughout the construction project.

Definition and Purpose:

A PD is a key role established by the CDM 2015 regulations. Their primary responsibility is to plan, manage, monitor, and coordinate health and safety aspects during the pre-construction phase of a project. The role ensures that potential risks are identified and appropriately addressed, promoting a proactive approach to health and safety.

Eligibility Criteria:

The CDM 2015 regulations specify that a PD must have the necessary skills, knowledge, and experience to carry out the role effectively. This can include architects, engineers, or other professionals with relevant expertise in construction design and health and safety. It is crucial that the appointed Principal Designer has a comprehensive understanding of the project’s requirements and possesses the competence to oversee health and safety considerations.

Importance of a Competent PD:

The involvement of a competent Principal Designer is vital for ensuring the effective management of health and safety throughout the construction project. Their expertise allows for the identification and elimination or mitigation of potential hazards early in the design process. By actively engaging with the design team and coordinating health and safety efforts, a Principal Designer helps create a safer working environment and reduces risks for workers, contractors, and other stakeholders involved.


The role of a PD under the CDM 2015 regulations is instrumental in promoting health and safety during the pre-construction phase of a project. Understanding the eligibility criteria and responsibilities of this role is essential for ensuring compliance and effective risk management. By appointing a competent Principal Designer, construction projects can be executed with a focus on health and safety, resulting in safer and successful outcomes.

Visit our Latest News

Visit Eryri Consulting