ERS Domestic ACS Gas Re-assessment Includes: CCN1, CENWAT, CKR1, HTR1 & CPA1 if on current card.


ERS Domestic ACS Gas Re-assessment Includes: CCN1, CENWAT, CKR1, HTR1 & CPA1 if on current card.

Course Overview: 

ACS Gas Certificates expire every five years. The ERS Domestic ACS Gas Re-assessment  qualification will refresh your knowledge and understanding. It is essential to maintain your registration with the competent person scheme (Gas Safe Register) to work safely on Domestic Natural Gas Pipework and listed appliances.

If you book a place 6 months prior to the expiry of your existing certificate you will receive a 10% discount. Terms & Conditions apply. 

Entry Requirements: 

Please provide proof of your ACS qualification which must be within one year of expiry.
A short interview will be required with the tutor.

Course Delivery: 


  • Five days including three assessment days at GCS Training’s Energy Center.


  • Paper based multiple choice examination.
  • Practical assessment consisting of both scenario and simulated working environment assessment.

Assessment days may not be consecutive.

Progression Opportunities: 
  • Domestic appliance Assessments: DAH1, CPA1, MET1.
  • LPG Assessments: CoNgLp1(PD), CoNGLP1(RPH), ConNGLP1(LAV).
  • Building Regulations:  UVDHW, EnEff1, Water Reg.
  • ACS Gas Domestic to Commercial Conversion.
Additional Information: 
  • The fee includes course registration, manual and certification.
  • Installment plans available on request. Terms & Conditions apply.

01792 284400

GCS Training is a part of Gower College Swansea


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Competitive pricing and no VAT.


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Call us on: 01792 284400.


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