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.

Gas Courses

To access the Gas Industry as an individual you must enrol on the GAS SAFE Register of Gas Installers and become a member of a Class of Person approved by the Health and Safety Executive in accordance with the Gas Safety (Installation and Use) Regulations.  In order to do this you must enter the Gas Industry under one of the following Categories:

Category 1
You are an experienced gas fitting operative either seeking GAS SAFE Certificate renewal and/or assessment and certification to extend your work range.
Category 2
You hold relevant qualifications that enable you to demonstrate competence in the generic activities associated will fossil fuelled appliances/equipment and/or pipework installations including, any of the following work activities, flueing or ventilation or the installation, maintenance or commissioning such appliances.:
Examples of appropriate qualification:
  • plumbing craft
  • pipfitters/welding craft
  • installers of piped gas other than LPG or natuaral gas
  • engineers from the domesti oil industry
  • heating and ventilation engineers
  • refrigeration engineers / fitters
  • individuals from outside the Inited Kingdom with relevant qualifications and experience
    Additionally you have or are in the process of undertaking ‘on the job’ gas installation or maintenance work experience with a GAS SAFE registered installer.
    Category 3
    You are an individual without previous experience or entering the Gas Industry for the first time.

    To attain this qualification you will require ‘off the job’ training at Crownship combined with ‘on the job’ gas installation or maintenance work experience with a GAS SAFE registered installer.
    First 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.



    ACS Dates 2019


    ACS Training

    3rd January

    4thth February

    8th April

    13th May

    17th June

    ACS Assessments

    7th January

    6th February

    13th March

    10th April

    15th May

    19th June

    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



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    Recent Testimonials

    Here is some of our satisfied customers.