Our NICEIC ACS Domestic Gas Re-Assessment training course, is our flagship course required by Gas Safe Engineers wishing to renew their qualifications and Gas Safe Register registration licences.

ACS Domestic Gas Re-Assessment Course Overview

Please note that training is a pre-requisite for Initial Assessments only.

NICEIC ACS Re-Assessment for Natural Gas Course has been designed for experienced Gas Engineers with existing gas knowledge and skills. The re-assessment package course is a mixture of training & assessments which can take up to 5 days and includes the following categories:

• CCN1 + CPA1 (Core Gas Safety incl. CPA1) – Up to 5 days Re-Assessment

• CCN1 (Core Gas Safety) + 4 Appliances (including CPA1) – Up to 5 days Re-Assessment

• CENWAT (Central Heating Boilers) – 1 Day

• CKR1 (Domestic Cookers) – 1 Day

• HTR1 (Gas Fires & Wall Heaters) – 1 Day

• MET1 (Meters) – 1 Day

Entry Requirements

Please note that previous certification is required for ACS reassessments on all occasions.

As an experienced gas fitting operative considering the renewal of CCN1 and/or Appliances or looking to add Appliances, you must provide us with evidence of:

Your GAS SAFE registration number or the GAS SAFE registration number of the business that employs you;

Your National Insurance number;

2 recent colour photographs;

Your existing ACS certificates.

Expired ACS certificates must be within 12 months of expiry to qualify eligible for Re-assessment. If your certificate expiry date is more than 12 months ago then you will require the Initial Assessment.

Please note that only Category 1 – Experienced practising Gas Fitting Operatives are allowed to undertake the re-assessment.

Why choose us?

  • State of the art, Indoor Training Facilities
  • Brand New Gas Training Centre at our HQ in Hemel Hempstead
  • Highly Experienced Gas Trainers and Assessors
  • Affordable & Last-minute Availability
  • Conveniently Located in Hemel Hempstead (off M1, M25 & A41 in South England)
  • Over 35,000 satisfied customers to date following our 7+ years of providing excellence in training
  • Flexible to suit your needs
  • 5-star rating Reviews on Google & Trustpilot
Please note: You must have a good understanding of spoken and written English to be able to attend this course.


Following successful completion of both the theory and practical elements of your training course with us, you will be provided awarded your NICEIC ACS Certification, accredited by UKAS.

CDC Group is a NICEIC Certification Approved Assessment Centre.


There isn’t any funding available for these programmes at this moment in time.

ACS Domestic Gas Re-Assessment Course Additional Information

The information presented in our ACS Domestic Gas Re-Assessment Course is not sufficient? Contact us today if you need more detailed information about our ACS Domestic Gas Re-Assessment Training Course.

Check out our Construction Training Calendar for more courses and dates.

Follow us on FacebookLinkedIn for news and updates.

ACS Domestic Gas Re-Assessment Course (CCN1 + 4 Appliances)

Book Now

You are securing your place via our Safer Payment Gateway

£895.00 + VAT 5 days

  • Duration1 - 5 Days
  • Places4
  • LocationHemel Hempstead HP3 9HD
  • Validity5 Years
  • LevelGas Engineer
  • CITB Grants£0.00

If our dates don't fit in with your schedule, drop us a line.

    ACS Domestic Gas Re-Assessment Course (CCN1 + 4 Appliances)
    Construction Training CDC Group near London Construction Training CDC Group near London

    Check Our Over 1000 Verified Reviews on Google & Trustpilot