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Why choose this course?
This course provides an efficient way to renew both core gas safety competency and multiple appliance qualifications within one programme. It ensures engineers remain up to date with current legislation, industry standards, and best practice, while demonstrating their ongoing competence to work safely on domestic gas installations and appliances. Successful completion supports Gas Safe registration requirements and helps maintain professional credibility within the industry.
Further information
The CCN1 Re-Assessment + 3 Appliances course is designed for experienced gas engineers who need to renew their core domestic gas safety qualification and three appliance categories to maintain their Gas Safe registration and demonstrate continued competence.
This course is suitable for engineers who currently hold, or have recently held, the relevant gas qualifications and require re-assessment in:
- CCN1 Core Domestic Gas Safety
- Plus three appliance categories, such as:
- CENWAT – Central Heating Boilers and Water Heaters
- CKR1 – Domestic Gas Cookers
- HTR1 – Domestic Gas Fires and Wall Heaters
- MET1 – Domestic Gas Meters
- DAH1 – Domestic Warm Air Heaters
- Refresh your knowledge of current gas safety legislation and industry standards.
- Review the Gas Safety (Installation and Use) Regulations.
- Understand gas tightness testing and purging procedures.
- Refresh your knowledge of combustion principles, ventilation requirements, and flueing systems.
- Learn how to identify, classify, and report unsafe gas situations.
- Review safe working practices for domestic gas installations.
- Understand emergency procedures relating to gas escapes and unsafe appliances.
- Refresh your knowledge of the installation, servicing, maintenance, and safety requirements of your selected appliance categories.
- Review current industry guidance, technical standards, and legislative updates.
- Maintain the competence required to continue carrying out domestic gas work safely and effectively.
Following successful completion, candidates may wish to broaden their scope of competence by undertaking additional appliance qualifications-
- Unvented Hot Water
- Water Regulations
- Heat Pumps
- Oftec Oil
The course is delivered through a combination of classroom-based theory sessions, technical discussions, and practical assessment activities. Candidates will review current legislation, standards, and industry guidance before undertaking the required reassessment examinations.
Assessment consists of theory examinations and practical assessments covering both the CCN1 Core Domestic Gas Safety qualification and the three selected appliance categories.
Following successful completion, candidates may wish to broaden their scope of competence by undertaking additional appliance qualifications-
- Unvented Hot Water
- Water Regulations
- Heat Pumps
- Oftec Oil