Here are a number of links related to C.V.s and Cover Letters (for generic applications and apprenticeship routes).
Creating an effective C.V.
Why Use a Template
Barclays Life Skills Advice
C.V. Builder (Register and Login)
My Perfect C.V.
Writing a generic Student C.V. https://uk.indeed.com/career-advice/cvs-cover-letters/how-to-write-a-student-cv
Writing an Apprenticeship C.V.
C.V. Examples and writing guide
Barclays Life Skills How to write a cracking cover Letter