Construction (Design and Management) Regulations 2015

These regulations relate to all construction projects throughout the UK, applying to all sizes of project domestic or commercial whether they are notifiable or not.

All projects must have:

  • Workers with the right skills, knowledge, training and experience
  • Contractors providing appropriate supervision, instruction and information
  • A written Construction Phase Plan (

All projects where more than one contractor is involved must have as above plus:

  • An appointed principal designer and principal contractor
  • A Health and Safety File (read more)

When a construction, maintenance or refurbishment project exceeds 500 person days or lasts longer than 30 working days and has 20 workers working simultaneously at any point in the project, then the client must notify the HSE and submit an F10 form. (

Summary of CDM Duty Holder’s and their Specific ‘duties’ under CDM2015

Domestic Clients
Principal Designers
Principle Contractors


The CDM 2015 Process- Does CDM 2015 Apply?

Pre-construction Information:

The CDM 2015 Process- Does CDM 2015 Apply?
Information Flow

Client Testimonials

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