We hold accreditations from a range of trade organisations and regulating bodies. This gives our
customers confidence and peace of mind in the knowledge that we are an approved company.

Below is a list of some of our accreditations.

Gas Safe Register

Gas Safe Register is the official gas safety organisation in Great Britain. It replaced CORGI in April 2009. Gas Safe is responsible for the registration and regulation of gas engineers. Membership is mandatory for any company or engineer working on gas appliances.

ASH Plumbing & Heating Services take gas safety seriously. All our Gas Engineers are on the Gas Safe Register and will have their official identity card when you ask to see it.

If you would like to find out more about the Gas Safe Register you can call 0800 408 5500 or visit the Gas Safe Register Website.


Constructionline is the UK’s largest register of pre-qualified contractors and consultants. Constructionline pre-qualify all suppliers to government standards. ASH Plumbing & Heating Services membership to the Constructionline scheme assures that our company reaches and exceeds these standards.

Learn more at


The Chartered Institute of Plumbing and Heating Engineers was founded in 1906 and is the professional body for the Plumbing and Heating industry.

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Worcester Bosch Accredited Installer

Worcester Accredited installers specialise in the installation of Worcester products and can offer extended warranties on boilers.

Only installers of an elite standard are approved as a Worcester Bosch Accredited Installer and can offer an unsurpassed 5 year Guarantee on new Boiler Installations.

Learn more at

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