ACS Gas Renewal

Key Information

Subject Area

Subject Area

Mode of Study
Mode of Study
Part Time Day

City of Newport Campus

Start Date

Start Date
07 February 2022


Monday to Wednesday


3 days

In a nutshell

The domestic gas industry is highly regulated, with assessment provided under the Accredited Certification Scheme (ACS). The college's ACS Gas Centre is an approved BPEC centre offering a wide variety of domestic gas courses ideal for experienced plumbers. On successful completion, you’ll be eligible to apply for registration with Gas Safe.

This course is for...

…those who have completed a relevant managed learning programme want to become a fully qualified gas engineer

...those who need a re-assessment.

Course content

The College carries out a wide variety of assessments. Certificates are valid for five years after which re-assessment is needed. Training is not a pre-requisite but it can be provided by the college upon request.

You'll be assessed on your competence to carry out gas work safely in the following areas:

  • CCN1 - Core domestic gas safety which includes CPA1 (combustion performance analysis natural gas and liquefied petroleum gas)

Please note candidates must hold CCN1 before completing assessment on the following appliances:

  • CENWAT - Install, exchange, commission, disconnect, service, repair and breakdown of domestic gas fired central heating and hot water boilers and circulators, combination boilers, storage water heaters and instantaneous water heaters.
  • CKR1 - Install, exchange, service, repair, breakdown and commission of domestic gas cooking appliances
  • HTR1 - Install, exchange, service, repair breakdown and commission domestic open balanced and fan assisted flued gas fires and wall heaters
  • MET1/2 - Install, exchange, remove and commission domestic gas meters
  • CMDDA1 - Carbon monoxide and combustion performance testing using electronic portable gas analysers, and detailed investigation of appliances

Once you’ve completed CCN1 Core Domestic Gas Safety you can progress to the above domestic appliances and you'll also be eligible to complete changeover from domestic gas to domestic LPG:

CONGLP1PD Changeover domestic gas to domestic LPG for permanent dwellings

CONGLP1LAV Changeover domestic gas to domestic LPG for leisure accommodation

CONGLP1RPH Changeover domestic gas to domestic LPG for residential park homes

HTRLP2 Closed flue gas fires

Entry Requirements

To enrol on this course, you must either:

  • Hold a current ACS certificate and need reassessment


  • Hold an expired ACS certificate (if over 12 months, you will need an initial assessment)


  • Hold a certificate to evidence you have completed a relevant managed learning programme

Additional information

Course fees are as follows:

Initial assessment and training:



Includes 4 days of training and 2 days of assessment

CCN1 + 1 Appliance


Allow an additional 0.5 days for training and 0.5 days for assessment

CCN1 + 2 Appliances


Allow an additional 1 day for training and 1 day for assessment

CCN1 + 3 Appliances


Allow an additional 1.5 days for training and 1.5 days for assessment

CCN1 + 4 Appliances


Allow an additional 2 days for training and 2 days for assessment

Re-assessment and training:



Includes 2 days of refresher training and up to 2 days for assessment

CCN1 + 1 Appliance


Allow extra time for assessment

CCN1 + 2 Appliances


Allow extra time for assessment

CCN1 + 3 Appliances


Allow extra time for assessment

CCN1 + 4 Appliances


Allow extra time for Assessment

Please note – the above fees include training, assessment, BPEC manual and certificates.

Changeover from domestic gas to domestic LPG

Initial assessment only









Fee when taken at the same time as either CONGLP1PD,CONGLP1LAV or CONGLP1RPH

For upcoming training and assessment dates please email Bethan Chatfield or call her on 01633 466037.

Other courses also available:

  • Unvented Domestic Hot Water Storage Systems
  • Water Regulations
  • Part L Energy Efficiency

This programme can also be fully funded via the 'Personal Learning Account' (PLA). A Personal Learning Account is a new initiative from the Welsh Government. It is a free and flexible way to learn. The initiative will offer people the chance to access free, part-time courses that offer flexible and convenient learning around their existing lifestyle. It is suitable for anyone who is:

...over 19, living in Wales, in employment and earning less than £26,000 a year.

...taking the next step in your career to be a Gas Engineer

Please ring Admissions on 01495 333777 and ask for more information on the PLA

Where can I study ACS Gas Renewal?

City of Newport Campus
(Part Time Day)
Start Date: 07 February 2022

This course may be available at other dates, times or campuses, please click to view your options.

Have any questions or are not sure if this is the right course for you?

Contact our Student Recruitment team

All courses may be subject to change and cancelled if deemed not viable to run.

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