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Maintain your domestic gas competence with a refresher package covering the CCN1 qualification, selected domestic appliance ACS assessments and essential gas safety requirements. Complete refresher training, relevant theory and practical assessments through this CCN1 gas course. Finish your domestic gas course in just 3 days and keep your relevant ACS certification current.
The Domestic ACS Package (Refresher) – CCN1 & Appliances is a domestic gas course designed for existing gas engineers preparing to reassess their domestic ACS competencies. It focuses on CCN1, the core domestic natural gas safety assessment, alongside relevant appliance competencies included in the package.
The course combines refresher training with the required ACS assessments, helping candidates demonstrate continued competence and renew their certification on the standard five-year reassessment cycle.
Point to Remember
Your existing CCN1 or appliance ACS certificate should be current or expired for no more than 12 months to be eligible for reassessment. If your certification has lapsed for longer than 12 months. If it has been expired longer, see our Domestic ACS Package (Initial) – CCN1 & Appliances course.
This ACS gas reassessment package is intended for existing gas engineers who need to renew their current domestic competencies.
The course refreshes the key knowledge and practical skills needed for your CCN1 qualification and relevant domestic ACS appliance assessments.
You will cover:
The package includes assessment of key domestic appliance competencies alongside CCN1, helping experienced gas engineers maintain the relevant ACS competencies for the appliances they work on.
This CCN1 gas course is designed for existing gas engineers who are looking to reassess their current domestic ACS competencies. Candidates should already hold the relevant CCN1 qualification and any appliance competency they want to reassess.
The course is completed over 3 days, combining refresher training with the relevant ACS assessments. The training lets you revisit key areas of domestic gas safety and the competencies covered by the selected CCN1 and appliance assessments. Theory-based learning is supported by practical assessment where applicable, allowing candidates to demonstrate the required skills for their existing ACS competencies.
The Domestic ACS Package (Refresher) – CCN1 & Appliances assesses the candidate’s existing gas competencies through the relevant theory and practical ACS assessments. The CCN1 assessment covers the required domestic gas safety criteria, while the package assesses any included appliance competencies against their relevant ACS criteria.
Refresher training helps candidates prepare for assessment, but the ACS assessment confirms competence. Candidates must successfully complete the relevant assessments to gain the corresponding ACS certification.
After successfully completing the required assessments, learners will receive ACS certificates from LCL Awards for CCN1 and the appliance reassessments undertaken. ACS certificates of competence are generally valid for five years, after which learners must reassess the relevant competencies.
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Review key domestic gas safety principles and the requirements relevant to the CCN1 assessment.
Understand combustion principles, gas pressures and gas rates relevant to domestic gas appliances.
Review domestic gas pipework, tightness testing and purging procedures.
Identify common installation defects, gas safety risks and potentially unsafe situations.
Refresh your knowledge of the domestic appliances included in the selected ACS package.
Develop the knowledge and practical skills required for CCN1 and the relevant appliance ACS reassessments.
CCN1 is the core domestic natural gas safety assessment within the ACS scheme. It assesses the competence required for relevant domestic gas work.
This CCN1 gas course is designed for existing gas engineers who need to renew their domestic ACS competencies through reassessment.
The package covers CCN1 alongside the relevant appliance reassessments included in the package, such as CPA1, CENWAT, HTR1 and CKR1.
No. This is a refresher and reassessment route for existing gas engineers rather than an initial domestic gas course for new entrants.
The gas ACS reassessment covers the relevant theory and practical requirements for the competencies being reassessed, including CCN1 and selected appliance categories.
Gas Safe Registered engineers generally need to renew their certificates of competence every five years, either through ACS renewal or an applicable Group Competency Scheme.
Yes. Existing appliance competencies can be reassessed where they are included in the selected package and the relevant assessment requirements are met.
Adding a new appliance competency is different from ACS reassessment. Additional training is required before demonstrating competence through ACS where an engineer is extending their range of competencies.
Successful learners receive LCL Awards certificates for CCN1 and the appliance reassessments undertaken.
ACS certificates of competence are generally maintained on a five-year cycle, after which the relevant competencies need to be reassessed.
No. An ACS gas certificate provides evidence of competence, but Gas Safe registration is a separate requirement.
ACS Gas Safe is not a separate qualification. ACS is one route for demonstrating gas competence, while registration with Gas Safe Register is the separate registration process for engineers carrying out relevant gas work.
For an existing competent engineer taking the refresher route, the course provides CCN1 training and preparation for reassessment. Where an engineer is seeking an additional competency or does not meet the requirements for reassessment, further training may be required before the relevant ACS assessment.
