Once you’ve completed your ACS gas training (first five weeks) in the training centre, and you’ve had your portfolio signed off, it’s time to take the final step on your journey to becoming a gas engineer: the ACS Initial.
Who is this course for?
This is the stage where, as a trainee gas engineer, you put all the knowledge, experience and skills learnt over your journey so far to the test. The assessment is split into five qualification modules that determine different parts of the gas industry you are qualified and able to work in; CCN1, CPA1, CENWAT, HTR1, and CKR1. CCN1 is the qualification needed to sign up to become Gas Safe Registered. (This also acts as a prerequisite to the remaining qualifications.)
Before you can apply to take the ACS Initial, our awarding body, Blueflame, must sign off your portfolio as passed.
Why train with us?
Once your ACS Initial is passed and you’ve received your ACS gas certification, you are able to contact the Gas Safe Register and become registered then you’re free to begin your new career as a gas engineer!
If your CCN1 or any other gas qualifications have expired more than 12 months ago, it is necessary to take the ACS Initial Assessment to become requalified. If your qualification has expired within the past 12 months, you can take the ACS Reassessment & Renewal.
To see the course breakdown including the price, click the Course Details button on the right.

You can only register as a member of the Gas Safe Register once the ACS Initial assessment (specifically the CCN1 module) has been passed successfully.