The Lone Worker system is currently operational in the following areas on the Daresbury site.
- A Block
- B Block (includes Amenity Area Ground Floor only)
- C Block
- D Block (ex-SRS workshop area only)
- Hartree Building
- Experimental Halls
- Zone 1 (Electron Hall East, Electron Hall West, Wiggler Compressor House)
- Zone 2 (CLARA)
- Zone 3 (Storage ring)
- Zone 4 (Inner Hall East, Inner Hall West, Gantry)
- Zone 5 (Ring Tunnel Ground Floor, L Block Ground & 1st Floor)
- Zone 6 (Ring Tunnel Basement)
- Zone 14 (Water Treatment and Tunnel)
- HPC external enclosure and compound (registers as Outer Hall)
- ITAC-Bio (registers as Outer Hall)
- Plant Room 1 & 11kV Main Switchroom (registers as Plant Room 1)
- Plant Room 2 (registers as Outer Hall)
- Security Reception
- SuperSTEM
- T Block (Zones C, D, E, F, H, I J, K & H)
- T Block MEIS Area
- T Block Ground Floor Labs
- T9 (Nuclear Physics Computing)
- VELA Control Room
