In professions working in safety and maintenance of gas systems or gas engineers, roughly £25,000 and £35,000 per year is what is expected to be earned in this vocation. In becoming a gas engineer at 30, there are more opportunities this profession can unlock as this is high in demand in the UK, making it a steady work. Read what is gas engineering and how to become one of the in-dem... https://www.uniccm.com/blog/steps-to-become-a-gas-engineer-in-the-uk-a-comprehensive-guide