Decide who needs what kind of check
Contractors who are in regulated activity must have an enhanced DBS check with barred list information. Find a full definition and examples of regulated activity in Annex E (pages 173 to 175) of Keeping Children Safe in Education (KCSIE) 2023.
Contractors who aren't in regulated activity, but whose work gives them the opportunity for regular contact with children, must have an enhanced DBS check (without barred list information).
Use your professional judgement to decide if the amount of contact they have merits an enhanced DBS check. For example, they wouldn't need an enhanced check if they're working:
Outside of school hours
In areas that children can't access
In areas you have cordoned off for the work to be carried out
Set out your safeguarding requirements in the contract you