Your Essential Guide to CDM 2015 Principal Contractor Duties

Published 2026-05-25

Being a principal contractor under CDM 2015 means you are responsible for planning, managing, monitoring, and coordinating health and safety throughout the construction phase of a project, ensuring a safe site for everyone involved. It's a big job, but getting it right protects your team, your business, and keeps your projects running smoothly.

Getting Started: Your Principal Contractor Appointment and Initial Steps

If you are a principal contractor, or you are about to become one, the first thing to grasp is your role's significance under the Construction (Design and Management) Regulations 2015, commonly known as CDM 2015. You are the main point of contact for health and safety on site during the construction