Energy Academy

Gas Safety CCN1 and Appliance Course (Re-assessment)

ACS – Core Domestic Natural Gas Safety and Appliances (CCN1) – Re-assessment

CCN1 is required for any operative wishing to work on domestic gas installations and appliances. CCN1 and any associated appliances are are required to be re-sat every 5 years and now are run as an MOT style which means you can resit them up to 6 months before expiry without losing any time.  Previous certificates must be produced at the time of assessment as evidence – Course Duration – 4 / 5 Days


Course Price (ex VAT)
CCN1 + 3 appliances (CENWAT, CKR1, HTR1 or DAH1) £780
Individual Pricing
CCN1 £540
CKR1 – Cookers £80
CENWAT – Central Heating Boilers and Water Heaters £80
HTR1 – Space Heaters (Gas Fires) £80
DAH1 – Warm Air Units £80

(the price includes all training material, training, assessment, certification fees and free lunch)

This course is valid for up to 5 years.

Previous certificates must be produced at the time of assessment as evidence.

The candidate will be assessed in the following areas:-

  • Gas safety legislation and standards.
  • Gas emergency actions and procedures.
  • Products and characteristics of combustion (inc. combustion performance analysis)
  • Ventilation.
  • Installation of pipework and fittings.
  • Tightness testing and purging.
  • Checking and/or setting meter regulators.
  • Unsafe situations, emergency notices and warning labels.
  • Operation and positioning of emergency isolation controls and valves.
  • Checking and setting appliance burner pressures and gas rates.
  • Operation and checking of appliance gas safety devices and controls.
  • Chimney Standards.
  • Chimney inspection and testing.
  • Installation of open, balanced and fan assisted chimneys.
  • Re-establish existing gas supply and relight appliances.
  • Inspect, test, commission and maintain gas appliances (Re-assessment only).

For the initial CCN1 assessment candidates must meet the entry requirements, of which details provided upon request as there are many routes into CCN1

For re-assessment candidates must have held the element previously – if this has expired within 12 months of the assessment date the initial assessment must be undertaken.

The CCN1 core domestic gas safety certificate has an equivalence to a Level 3 QCF qualification in the gas utilisation sector (which is also aligned to ACS) and satisfies the same gas safety criteria leading to a certificate of competence recognised by the Gas Safe Register

Assessment is carried out using a variety of assessment methods including multiple choice, short written response and scenario questions and observed practical assessment

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