You could take a college course like:
- Level 1 Certificate in Construction Skills
- Level 2 Diploma in Construction and Civil Engineering Operations (Construction)
This would teach you some of the skills needed for the role. You could then try to find a job as a trainee.
You'll usually need:
- 2 or fewer GCSEs at grades 3 to 1 (D to G), or equivalent, for a level 1 course
- 2 or more GCSEs at grades 9 to 3 (A* to D), or equivalent, for a level 2 course