Pre-Employment Checks


A Chester Step fitness assessment (VO2 max) will be conducted to determine an applicant’s aerobic fitness. The minimum requirement for applicants at recruitment is 42.3 miles/O2/kg/min.

To support you in preparation for these tests please see our fitness guide.


A full medical assessment will be conducted by our onsite occupational health provider. You will complete a questionnaire detailing your medical history and complete the following tests:

  • Hearing test
  • Lung function
  • Vision test, including colour vision
  • Grip strength
  • Blood pressure
  • General tests based on your completed medical questionnaire
  • Drug and alcohol test


We will obtain references covering you for the last 3 years.

Useful links