Domestic Gas Diploma

Perfect for anyone looking to start a career in the gas industry

Our Domestic Gas Diploma provides a structured route for candidates who have not previously undertaken Accredited Certification Scheme (ACS) Assessments. The programme delivers all the ‘off-site’ training required to prepare for ACS practical and theory assessments at our centre.

✅ The Details

Course Type: Domestic Gas Diploma
Delivery: Classroom and practical-based training
Assessment: Combination of practical and theory examinations, including three days practical + one day theory at the end of the course
Support Available: Guidance throughout the programme and help completing your candidate portfolio

✅ Who is it for?

  • Individuals new to the gas industry
  • Candidates seeking to progress to ACS gas assessments
  • Those wanting a strong foundation in domestic gas safety and installation

✅ Entry Requirements

  • No prior ACS qualifications are required
  • Candidates must be motivated to complete both practical and theory training
  • Evidence of previous qualifications may be required to confirm booking

✅ What You’ll Learn

  • Gas safety legislation
  • Pipework installation and sizing
  • Tightness testing, purging, and re-establishing gas supplies
  • Standing and working pressures
  • Checking and setting gas appliance pressures
  • Gas rating of appliances
  • Combustion principles including properties of natural gas and incomplete combustion
  • Ventilation for combustion and cooling purposes
  • Flue types: open, balanced, concentric, u-ducts, se-ducts, communal flued systems, flueless appliances
  • Unsafe situations and hazard management
  • Gas controls and safety devices
  • De-commissioning and making appliances safe

✅ What Books Will I Need?

  • Candidate portfolio supplied for recording knowledge and experience
  • Gas training book included

✅ Progression Opportunities

  • Progress to ACS assessments (CCN1 and appliance modules)
  • Work towards Gas Safe registration
  • Broaden career opportunities in domestic gas installation and maintenance

✅ Costs

  • £2,380 + VAT per person

✅ Ready to Apply?

If you are unable to find an available date, please get in touch with us directly.