Coronavirus (COVID-19): Advice for engineers and assessment centres on maintaining ACS qualifications - updated 30 September 2020

01/10/2020 11:09
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Engineers are expected to take all reasonable measures to maintain their ACS qualifications, including planning ahead, as maintaining gas safety competence is essential for registered gas engineers. However, during the COVID-19 pandemic some ACS assessment centres closed or are now operating at reduced capacity. This led to some engineers being unable to take their ACS reassessment or experiencing a delay in securing a date for reassessment.

Where assessment centres can operate, they should do so, and follow advice on good hygiene. Centres should advise engineers not to attend if they should be self-isolating.

To maintain their Gas Safe registration, engineers must ensure that expired ACS qualifications are renewed:

  • Engineers whose ACS qualifications expire before 1 October 2020, and who have been unable to book ACS reassessment, have been permitted to remain on the Register for up to 6 months from the expiry date on their ACS certificate while they arrange for reassessment.
  • Engineers with ACS qualifications that expire on or after 1 October 2020 will need to renew their qualifications by 31 March 2021. 
  • Engineers with ACS qualifications expiring after 31 March 2021 will be required to renew ACS by the qualification expiry date as shown on the certificate

Engineers are advised to book ACS reassessment in advance, as while most assessment centres are open and have availability, some are fully booked up 2 months in advance.

Engineers MUST maintain their Gas Safe registration during any extension period applied due to ACS expiry during the pandemic if they are carrying out gas work.

Extension of registration is a temporary measure which is regularly reviewed and does not remove the standing requirement for registered gas engineers to maintain their ACS certification and renew certification every 5 years.

If you have any queries, please email

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