Millennium Academy

Gas Safety CCN1 Course & Appliances (Initial)


CCN1 (or a suitable changeover) is required for any operative wishing to work on domestic gas installations and appliances. In addition, the operative must also hold the relevant appliance element relating to the work they wish to undertake.

Gas Safety CCN1 Course & Appliances (Initial)

Millennium Academy Gas Training and Assessment’s initial CCN1 and appliances course is for gas installers whose existing CCN1 has lapsed by more than 12 months. For candidates undertaking either of the Domestic Gas Heating Installer routes (experienced or new entrant) then the training and assessment package for CCN1 and CENWAT only, is included within the package price.

  • Duration: 5 Day’s (2 Days refresher plus 3 day’s assessment Monday to Friday)
  • Price: £995.00 Plus VAT*


The initial Core Domestic Gas Safety (CCN1) course, plus appliances, includes training and initial assessment in the following:

  • CCN1 – Core Domestic Gas Safety, including CPA1 (Combustion Performance Analysis)
  • CENWAT – Central Heating Boilers & Water Heaters
  • CKR1 – Cookers (Extra 150+VAT)*
  • HTR1 – Space Heaters – including Gas Fires and Wall Heaters (Extra £150+VAT)*


This course includes refresher training on pipe sizing, purging, ventilation and controls in our classroom and training workshop over two days prior to your assessments.


The cost of the chosen courses above CCN1 includes refresher training, assessment and the certification fee.

Please contact Gas Centre Manager for an interview and to book the course.


Entry requirements

The CCN1 initial training and assessment course is for gas installers undertaking their ACS qualifications for the first time or renewing certificates which have expired more the 12 months previously.

Any candidate wishing to undertake the ACS assessments will need to demonstrate they have undertaken a recognised training programme and have a supporting portfolio of onsite work experience with a registered gas engineer (will be verified).

Candidates undertaking the Managed Learning Program will meet this requirement and will undertake CCN1, CENWAT, CKR1, HTR1 as part of their package once the training and onsite work experience has been completed.


Course Syllabus


Initial Core Domestic Gas Safety (CCN1) training and assessment covers:

  • Gas safety regulations and other relevant legislation
  • Combustion, relevant pressures and gas rates
  • Gas pipe work
  • Tightness testing and purging, including low and medium pressure
  • Chimney systems recognition and testing
  • Ventilation
  • Gas controls
  • Flue gas analysis


Initial appliances training covers:

  • Installation
  • Commissioning
  • Servicing and maintenance
  • Basic gas safety fault finding


CCN1 assessment (plus appliances) takes the form of practical tests and multiple-choice question papers. On successful completion, candidates will be issued with a Blue Flame Certification Certificate for Core Domestic Gas Safety (CCN1) and the appliances they have undertaken.

*Prices valid at the time of publication. We reserve the right to change prices at any time without notice.


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