COCN1 Commercial Gas Training

To book a course, please call us on 01242 662121 or email

This NICEIC COCN1 Commercial gas training course can only be completed if you have already successfully completed the CCN1 Domestic gas safety training course.
Successful completion of the COCN1 Commercial course provides a route to the following training modules:

  • COCN1 - Core Commercial NG Safety
  • CODNCO1 - Changeover Core NG to Commercial
  • ICPN1 - Installation 1st Fix Commercial Pipework
  • ICAE1 - Installation 1st Fix Appliances
  • CIGA1 - Commission Repair Service Indirect Fired Plant
  • CDGA1 Commission Repair Service Direct Fired Plant
  • CORT1 Commission Repair Service Overhead Radiant Heaters
  • TPCP1/1a Testing Purging to IGE/UP/1/1a
  • CDGA1 Commission/Repair of Indirect Fired Appliances

Entry Requirements

Before you can attend the course you must provide:

  • Evidence of a valid CCN1 Domestic qualification


Training Team
+44 (0)1242 662121

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