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Course overview

Refresher training & assessment of the following:

  1. Re-testing appliances when new components have been fitted
  2. Unsafe situation category for flued appliance that fails to reach satisfactory combustion performance
  3. Unsafe situation category for flueless appliance that fails to reach satisfactory combustion performance
  4. Additional allowances for CO levels for gas cookers
  5. Understanding action levels for gas appliances
  6. If CO/CO2 ratio levels remain above suitable performance levels after adjustment, explain actions to be taken

Some of our clients who trust us with their training:


Entry requirements

You must hold a current CCN1, CoCDN1, CCLP1, COCN1, CCCN1, CCLNG1, QCF or S/NVQ certificate to undertake this course.

Initial: Is for gas installers whose existing certificate has lapsed by more than 12 months or for candidates who are adding this qualification for the first time.

Re-assessment: To undertake re-assessment, operatives must complete the course no more than 12 months after the expiry date of their existing qualification. The re-assessment can be completed up to six months before this expiry date without losing any time on your future expiry date.

From Monday 1st September 2022, you must have been registered on the Gas Safe Register for a minimum of 12 months to add additional appliances to your initial registration.

Please note that candidates undertaking this for the first time will need to undertake RWE (realistic working environment) training at an additional cost.

Very positive feedback from all staff who were on the training, great trainers and they made the topic interesting and easy to understand.

Richard Irvin Logo
Our trainer, Glenn Wilson.

Other Information

What do I need to bring with me?

You should bring the following with you to your course:

  • One passport-sized photograph (if not already sent)
  • Formal ID (Passport or Driving Licence)
  • Copies of prior learnings, such as ACS or plumbing certificates

How do I book?

Call our office on 0808 164 2780 and speak to one of our friendly customer service team. They will discuss dates and availability and can take payment by debit or credit card to confirm your place.

Our locations

Paisley Training Academy

Just a 10-minute walk from both Paisley Gilmour Street train station and the St James’ train station and a 5-minute drive from Glasgow airport, our Paisley centre is convenient to attend. Free parking is also available on-site.

Dalgety Bay Training Academy

Our Dalgety Bay Training Academy provides free onsite parking and is just a 10-minute walkfrom Dalgety Bay train station.

Edinburgh (First Aid Only)

Hotel Novotel, Edinburgh Park, 15 Lochside Avenue, Edinburgh, EH12 9DJ

Birmingham City Centre (First Aid Only)

THE PRIORY ROOMS MEETING AND CONFERENCE CENTRE, Quaker Meeting House, 40 Bull St, Birmingham, B4 6AF

Solihull (First Aid Only)

West Warwickshire Sports Complex, 78 Grange Rd, Solihull B91 1DA

Oldbury (First Aid Only)

IBIS STYLES, 999 Wolverhampton Rd, Oldbury, B69 4RJ

Nottingham/Derby (First Aid Only)

HOLIDAY INN DERBY NOTTINGHAM, Bostocks Lane, Sandiacre, Nottingham, NG10 5NJ