How difficult is theory / maths to become a plumber?
In general how hard is it to become a a plumber?
Is the theory hard to learn?
Is the maths hard?
Is colour blindness a hamper?
Advice from 1 local tradesperson
The maths is pretty basic. The theory is very important to make sure you comply with British standards etc. And obviously you got to be good with your hands and practice, practice, practice.