Domestic Core Gas


Initial and re-assessment

Membership of the Gas Safe Register is a legal requirement for any installer wishing to carry out gas work in the United Kingdom, Isle of Man, and Guernsey. To register as a gas installer, you must hold Core Domestic Gas Safety (CCN1) plus certification for the appliances you intend to work on.

Core domestic gas safety is a 2 or 4-day revision plus 2 days assessment course. Assessments may be combined to create a package tailored to your needs.

Two or four days of revision plus two days of assessment

Course Overview:

  • Gas safety legislation and Standards.
  • Gas emergency actions and procedures.
  • Products and characteristics of combustion
  • 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)

Training Centres In Sussex & Hampshire