Course at a glance

Subject Area:

Gas (ACS)




BPEC Certificate

Course Start:


Course Length:

5 days (3 days training & 2 days assessment)


South Bank Campus



All prices are based on the 23/24 academic year. Subsequent years are subject to a 3% increase.

For further enquiries regarding finance, please contact the finance team directly on 0113 222 6094 or

For general course enquiries, please call 0113 222 6006 or email

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COCN1 course content

This ACS Commercial Core Gas Safety COCN1 initial assessment course is a necessary requirement of the Nationally Accredited Certification Scheme for Gas Fitting Operatives (ACS), and is required by anyone working on commercial gas installations and appliances.

Course content typically includes:

  • Pipework inspection
  • Pipework scenarios
  • Unsafe situations (pipework)
  • Tightness testing
  • Installation of pipework and fittings
  • Purging pipework
  • Checking/setting commercial regulators
  • Appliance connection tightness test, purge and relight
  • Unsafe situations (appliances)
  • Characteristics of combustions
  • Gas safety devices and controls

COCN1 Entry requirements

Applicants must have recently completed the BPEC Gas Foundation Course or be experienced category 1 gas fitting operatives who hold ACS, ACoPs, S/NVQ or City & Guilds Gas Qualifications.

Further information

Please note the price quoted is for training and assessment. 

Our gas assessment fees are not subject to VAT and include registration, certificate fees and learning materials. The training is delivered at our Hunslet Campus, in Leeds City Centre, in modern, bespoke facilities, allowing you to replicate the domestic and commercial work you do on a daily basis.

To apply for this course please phone 0113 222 6059 or email

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