True Tech TrainingTrue Tech TrainingTrue Tech Training
02920 789701
Wentloog Ave, Rumney, Cardiff CF3 2GA
True Tech TrainingTrue Tech TrainingTrue Tech Training

ACS Re-Assessment

ACS Re-Assessment

Why take the ACS Re-Assessment Course?


ACS Reassessment is for those who are classed as Category 1 candidates. You will be an experienced gas fitter with existing gas knowledge, skills and are looking to renew certificates which have expired (less than 12 months) or are due to expire soon. Category 1 candidates are also those of you looking to add appliances and expand your scope of work.

As an experienced Gas Engineer considering renewal of CCN1 and/or Appliances or looking to add Appliances, you must provide us with:

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
  • Expired Certificates where available

Expired ACS certificates must be within 12 months of expiry to qualify you as a Category 1 candidate eligible for Reassessment. If your certificate expiry is more than 12 months ago then you will require Initial Assessment.

Please be aware that training is not a pre-requisite. You must also be aware that we will allocate 5 days for this assessment process.


Re-Assessment ACS is a mixture of assessing both your practical skills and theory knowledge. You can undertake assessment for:  True Tech Training offer the following ACS Reassessment:

  • CCN 1/CPA1: Core Gas Safety
  • CENWAT 1: Central Heating Boilers
  • CPA 1: Combustion Performance Analysis
  • CKR 1: Domestic Cookers
  • HTR 1: Gas Fires and Wall Heaters
  • MET 1: Meters

As per the requirements of all Awarding Bodies, the training covers changes to Standards and Technical Updates since your last Assessment. This is to update and refresh your knowledge in preparation for your ACS Assessment.

You will have numerous practical assessments to complete and you’ll be expected to complete self-study for exams.

Enquire about this course

  • +44 2920 789701
  • enquiries@truetechtraining.co.uk
If you aren't Local Don't worry


Whether you come from London, Glasgow or even abroad, we can source local accommodation for you. 

Our workshops are state of the art and unique, with no other centre providing such extensive practical installation experience like it. 

You will carry out your training with qualified and experienced instructors, who will teach you how to become an electrician quickly and efficiently, ensuring you leave us feeling confident and qualified.

Reasons to Train with TrueTech Training

As an Approved Centre, we offer a very high standard of teaching, which is reflected throughout the Centre on all our courses.

Our Tutors pride themselves on their reputation which has been built up on years of delivering training that goes beyond the qualifications. When you book with True Tech Training you can feel confident that you will receive training that not only meets your needs but goes well beyond them.

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    Our Service CONTINUES

    Having studied the Government advice and restrictions documents thoroughly, we will continue our important service to our customers albeit with some adaptations with the majority of our delivery being enabled .

    We have invested hugely over the last 12 months to cope with the Covid restrictions and can assure you the quality of your learning journey will not be compromised.

    The COVID-19 pandemic is evolving daily and the safety of our staff and students is paramount. We continue to follow Government guidelines in the fight against Coronavirus and continue to:

    • Provide hands free sanitising stations
    • Mandating the use of face masks
    • Social distancing enforced in corridors, classrooms and workshops
    • Reduced class sizes
    • Regular cleaning schedule
    • Alcohol wipes to disinfect equipment before and after use provided