Gas safe engineers are authorised engineers by law to do the gas work which enhances safety. Each enlisted industry utilises engineers that have Gas Safe ID cards. Not all specialists can do a wide range of gas work, so it is a must to check their ID cards before booking any work with them.
Yes, gas engineers must be registered for gas safety because, according to the law of installation and use 1998, they must be registered and have authorised ID cards.
Gas engineers' rate varies according to the service and location. If the work is extensive, the hourly rate will be high, from £40 to £100 per hour. If the location is far, then it may add value as well.
In the UK, from 1991 to 2009, CORGI, Council for Registered Gas Installers is a voluntary registration scheme for Gas Engineers to legalize their work and businesses, which was replaced by the Gas Safe Register in April 2009. Please look for their certification on their profile section on easefix app when selecting a gas engineer for your job.