We currently provide services and support to companies and individuals in Humberside, East Yorkshire, North Lincolnshire, North East Lincolnshire, South Yorkshire, West Yorkshire, Teeside, London, Portsmouth, Plymouth, Southampton, Hampshire, Oxfordshire and Wales.

Core Domestic Gas Training

The Core Domestic Gas course is suitable for engineers needing to renew their domestic natural gas qualifications or as a progression for new entrants having recently achieved the ERS MLP Certificate qualification via Crownships New Entrants to the Gas Industry route.

  • Gas Safety Legisaltion
  • Emergancy Actions and Procedures
  • Characteristics of Combustion
  • Ventilation
  • Installation of Pipework and Fittings
  • Tightness testing
  • Identifications of Unsafe Situations
  • Emergency Notices and Warning Labels
  • Flueing Standards
  • Meter Regulators (Check / Setting)
  • Emergency Isolations Controls and Valves
  • Appliance Burner Pressures / Gas Rates
  • Operation / Checking of Appliance
  • Safety Devices / Controls
  • Installation of Open / Balance Fan Assisted Flue Assemblies
  • Procedures for Establishing / Re-Establishing Gas Supply
    All of the above are tutorial with practical demonstration and simulation
    Next stop…..
    CCN1 Assessment or New Entrants into the Gas Industry

    Our Website

    This website explains how we approach, develop and implement activities and why we are recognised for our free flowing, informative delivery, bringing information alive by adopting a specialist approach for organisations. Select from the top to access our range of management courses, electrical courses, plumbing courses, air-conditioning and refrigeration courses, f-gas regulations course, ACS gas domestic, commercial & new entrants training & assessment and NEBOSH general certificate and various health & safety courses.



    Scheduled dates:

    ( Training is Optional )

    Training: 19th & 20th February 2024

    Assessments: 21st, 22nd & 23rd February 2024


    Training:18th & 19th March 2024

    Assessments: 120th, 21st & 22nd March 2024


    Training: 22nd & 23rd April 2024

    Assessments: 24th , 25th & 26th April 2024


    Training: 13th & 14th May 2024

    Assessments: 15th, 16th & 17th May 2024


    Training: 17th & 18th June 2024

    Assessments: 19th, 20th & 21st June 2024


    Training: 8th & 9th July 2024

    Assessments: 10th, 11th & 12th July 2024


    Training: 5th & 6th August 2024

    Assessments: 7th, 8th & 9th August 2024


    Training: 9th & 10th September 2024

    Assessments: 11th, 12th & 13th September 24


    Training: 7th & 8th October 2024

    Assessments: 9th, 10th & 11th October 2024


    Training: 11th & 12th November 2024

    Assessments; 13th, 14th & 15th november 2024


    Training 9th & 10th December 2024

    Assessments: 11th, 12th & 13th December 24

    More dates available to suit




    Don't Let Your Ticket Lapse!


    Domestic Gas Re-Assessments

    CCN1 & Any Domestic Appliances


    Package Price £945 + vat


    Including 2 days training, certification fees & up to date gas publication


    Please give us a call on 01652 658151 or Email






    Freelance Assessors required in plumbing, air-conditioning, refrigeration, gas and electrical. Please email your CV and state which field of expertise you can cover.








    Head Office:

    Crownship Developments Ltd,

    Charlton House Mews,

    Bridge Street, Brigg,

    North Lincolnshire,

    DN20 8NQ


    Technical Centre:

    Crownship Technical,

    Unit 13,

    Temple Street Unit Factory Estate,

    Station Drive,


    HU5 1AD


    Telephone Number: 01652 658151

    Fax Number: 01652 658221



    Valid XHTML 1.0 Transitional Valid CSS!

    Recent Testimonials

    Here is some of our satisfied customers.