ACS CCN1 Plus 3/4 Elements (Re-Assess) – C0379

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Course Overview

This is a packaged assessment for gas safe registered installers who hold a current or expired (within 12 months of expiry date) certificates in any or all of the following: CCN1, WAT1, CEN1, CKR1, HTR1 certificates.
It is a mandatory assessment that needs to be renewed every five years to allow you to continue your gas safe registration. The course is only offered at full cost, there is no fee remission available and you cannot apply for an advanced learner loan to pay for your fees.

What You'll Learn

Year 1

You will have the option of a 2 day re-training for preparation before your 2 to 3 day streamlined assessment. There will be practical sessions for CCN1, WAT1, CEN1, CKR1, HTR1, combined with two theory papers.

If you already hold accredited assessment, this can be used towards the course and may reduce the completion time down to two days.
Please note, original certificates must be available to approve. Please contact the ACS office if you have mislaid your original certificates.

Entry Requirements

You will need to be employed/self employed and demonstrate previous CCN1 certification and element certification. Your certification must be either currently active or have expired within the last 12 months.

How you will be assessed

Assessment will be in the Gas Centre, through a combined route of practical and theory assessment in order to prove competence.

Course Fees

Tuition fees

Total Fees: £415.00

Additional Costs

There may be an additional examination registration fee of approximately £80.00 if applicable.

If you are 24 or over and don’t already have a full level 3 qualification (2 A levels or equivalent) there will be no course fees for this course. Simply apply by clicking apply now at the top of the page

Material Fees



If the course is longer than one year the total fees are for the first year only and further fees may apply in future years. All fees are based on a ‘home’ learner status. Please contact us for information on overseas fees.

For more information, please see our course fee disclaimers page.

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Course and Career progression

Gas safe registration is the normal progression if you are completing the re-assessment programme. Other elements can also be undertaken to enable wider applications for a variety of roles. Liquid petroleum gas is a popular element as it neatly aligns with natural gas and increases the scope of work a engineer can offer.

What Happens Next

Apply online via the College website. You will be contacted to attend an interview if required, or you will be sent a conditional offer according to the entry requirements for the course. You will then be invited in to enrol for your chosen course of study.

For enrol and pay courses: Once you have decided to take the course, you need to fill in a short learner details form online and pay the course fee. Once you have done this, you will receive an electronic confirmation of enrolment and payment.

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