Quantity surveyors are one of the few roles where they earn money the more experienced they are. If you’re interested in training to be a quantity surveyor, then you should take a course at the College of Contract Management UK and find their course to study Quantity Surveying. They offer high quality courses taught by professionals in the industry from the comfort of your own home.
https://www.theccm.co.uk/courses-page/quantity-surveyor-course/