COCN1 Commercial Gas Training

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

This non-domestic gas course is for experienced has operatives wanting to install, commission and service commercial gas appliances above 70kW and up to 1.8mW. The commercial core gas assessment has to be completed successfully before attempting any of the following modules:

Successful completion of COCN1 provides a route to the following assessment 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

Formal qualifications, City & Guilds NVQ 2/3 in plumbing and/or heating and a portfolio of work experience, or previously completed CCN1 or CODnCO. For further guidance on pre-requisites please see Suitable Qualifications and Non Suitable Qualifications.


Training Team
+44 (0)1242 662121

More information