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Course overview

This course is no longer available. You will need to undertake one of the two below courses:

Skills Training Group’s Domestic Gas Heating Installer (DGHI) – Experienced Trades package is designed for operatives with at least 2 years’ experience in a related trade (plumber or gas engineers’ mate) who are looking to gain the relevant qualifications in order to join Gas Safe Register and work on gas. The DGHI is an in-depth training programme and takes place over 18 weeks. The course covers all aspects of domestic gas safety and includes Skills Training Group’s Approved Prior Learning course. The cost of the course includes training, a training manual, APL assessment, the certification fee and the Candidate Workbook for recording on-site work experience.

The Domestic Gas Heating Installer – Experienced trades package is for operatives who are looking to become Gas Safe Registered but do not currently have the skills to undertake the ACS Scheme qualifications. Following successful completion of the 10-week DGHI APL gas training course, operatives will then complete their portfolio of on-site work experience which will include 5 boiler maintenance jobs & 5 boiler installs, as required by the ACS Scheme. You can do your on-site portfolio and boiler installations with a Gas Safe Registered engineer. Following that, operatives will undertake a 5-day revision and assessment course.

Modules breakdown

The DGHI – Experienced trades package course covers the following areas:

  • Gas safety regulations.
  • Unsafe situation procedures
  • Combustion
  • Pipesizing
  • Gas testing
  • Purging
  • Installation pressures
  • Gas rating
  • Flues
  • Ventilation
  • Controls
  • Combustion performance analysis
  • Energy efficiency

CKR1 & HTR1 are not included in the package. The course includes practical assessments and multiple-choice question papers. Successful operatives will receive an LCL Awards Certificate of Training.

some of the best employers from this course

student working on a boiler

What are your career prospects at the end of this course

When students complete our heating engineer course, they enter a well-established field that offers:

A Competitive Salary

Depending on your experience level and area of expertise, typical salaries for gas engineers range from £30,000 to up to £50,000 a year. By working overtime or running your own business, these figures can increase dramatically.

A Secure Career

Because of the many regulations that require people to hire registered ‘Gas Safe’ engineers, your skills will always be in demand, offering access to a range of career prospects and opportunities. As you gain experience, new opportunities will become available. It’s so much more than just a job – it’s a lifetime career.

Once qualified you could:

  • Install, service and repair gas central heating boilers, water heaters, fires, cookers and meters.
  • Work for gas engineering companies, insurance companies, housing associations and much more.
  • Complete Landlord Gas Safety Certificates.
  • Complete maintenance work for letting agents.
  • Provide boiler cover plans.
  • Apply to work as a subcontractor for British Gas, Boxt, Corgi Homeplan and many other companies.
  • Provide out of hours emergency call-outs at premium rates.
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a student being taught on our plumbing course training rig

Key Learning Areas

The key learning areas for our gas engineer course focus on both practical and theory training on the industry recognised qualifications below.

CCN1 & CPA1 – This is the core gas safety certificate that all gas operatives must have to work in the domestic gas industry.

CENWAT – Installation, servicing, repair and commission of domestic central heating boilers and water heaters.

Electrical Safe Isolation


Some pictures of our gas safety training facilities, students and teachers.

Gas pipework training
a student being taught on our plumbing course training rig
student being trained on gas boiler fault finding
our training teaching a student on an oftec oil course
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System Boiler
inspection and testing course

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

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