Fiducia TogetherCDM regulations
Health and safety duties on construction projects. They apply to almost every project.
Please note: This page explains what a term means. It is general information, not legal, financial, tax or investment advice, and it does not know anything about your business. Before you sign, file or commit to anything, check it with an accountant, a solicitor, or the official guidance we link to.
What it means
The Construction (Design and Management) Regulations 2015 allocate duties to clients, designers, principal designers, principal contractors and contractors.
Why it matters
They apply to all construction work, including small domestic projects, and the client has duties too — which surprises many clients.
What it looks like in practice
On projects with more than one contractor, the client must appoint a principal designer and principal contractor in writing. Notifiable projects must be notified to the HSE.\n\nA construction phase plan is required for every project.
What to watch out for
Clients who assume the builder handles it. On a domestic project the duties can pass to the contractor, but on a commercial one they do not.
Where to get proper advice
The HSE's CDM guidance is free and clear. A CDM adviser for larger projects.
Where to read more
Last reviewed 2026-08-28 by Fiducia Together · Next review due 2027-08-28
Please note: This page explains what a term means. It is general information, not legal, financial, tax or investment advice, and it does not know anything about your business. Before you sign, file or commit to anything, check it with an accountant, a solicitor, or the official guidance we link to.