Guide
When does CDM apply?
The detailed guide behind this checker: scope, small and domestic projects, maintenance work and the separate F10 question.
Free CDM tool
Does CDM 2015 apply to my project?
Answer a few simple questions to understand whether CDM 2015 is likely to apply and what your project structure may mean in practice.
Takes about 1 minute · No sign-up required
Choose an answer to continue.
Read more on when CDM applies
This checker works through your answers. The guides explain the detail behind them.
- Guide
What is construction work under CDM 2015?
The legal definition of construction work, with the activities that fall inside and outside it.
- Guide
Does CDM apply to domestic projects?
How the Regulation 7 domestic-client arrangements work, and where HSE draws the line at DIY.