Guide
F10 notification: when is a project notifiable?
The detailed guide behind this calculator: the thresholds, who notifies, what the notice contains, and displaying and updating it.
Free CDM tool
F10 Notification Calculator
Check whether your planned construction work is likely to meet either of the CDM 2015 Regulation 6 notification thresholds, and see exactly which test is met.
Takes about 1 minute · No sign-up required
Project duration
Count each day on which construction work is expected to take place, including weekends or bank holidays if work will happen on those days.
Example: if construction work is planned Monday to Friday for 8 weeks, enter the number of days on which work is actually scheduled, not simply the calendar span.
Enter a figure to continue.
Read more on F10 notification
This calculator checks the thresholds. The guides explain the detail behind them.
- Free tool
Does CDM Apply?
A separate question from notification. Work through whether CDM 2015 is likely to apply to your project at all.
- Topic hub
CDM Hub
Plain-English CDM 2015 guidance, free tools, checklists and role-relevant training in one place.