Construction (Design and Management) Regulations 2015 

New to CDM or unsure what it's all about?

Watch our short video which explains the basics of CDM 2015

Quick Poll

The Construction (Design and Management) Regulations (CDM) are the main set of regulations for managing the health, safety and welfare of construction projects.

On Monday 6 April 2015, the Construction (Design and Management) Regulations 2015 replaced the 2007 Regulations.

Trust CITB to guide you through the process

Don’t worry - CITB has lots of practical help and guidance to help understand the changes. Three easy ways to get the help you need:

Just enter some simple job details and in a couple of minutes it will produce your construction phase plan and provide you with tips and advice of how to help keep you and your workers healthy and safe. 

The free guidance is available in six simple documents (Clients, Principal Designers, Designers, Principal Contactors, Contractors and Workers). 

Specific to each duty holder, they provide a more in depth look at what is required. Grant is available for eligible employers on these courses.

Key changes of the new CDM Regulations 2015

1. All projects must have:

2. Project where more than one contractor is involved (domestic or non-domestic) must have 1 above plus:

  • principal designer and principal contractor must be appointed
  • a health and safety file

3. If work is scheduled to:

  • last longer than 30 working days and 
  • have more than 20 workers working simultaneously at any point in the project
  • OR exceeds 500 person days

All of 1 and 2 above plus

  • Client must notify project to HSE

Health and Safety Executive (HSE) information

The HSE have produced guidance 'Managing health and safety in construction - Construction (Design and Management) Regulations 2015 - (L153) on the legal requirements for CDM 2015.

They have also produced some question and answer (Q&A) briefs.  These are not formal HSE guidance and are not intended to cover every aspect of the topic or be a ‘one size fits all’ answer, but provide consistent and helpful answers to some of the most common questions which have arisen about CDM 2015. 

For further information see the HSE construction webpages, which includes a short client leaflet and a Busy Builder construction phase plan template for small projects (CIS80).

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