When to ask for a new DBS check
DBS checks don't expire and there's no requirement to renew them as a matter of course.
For existing staff members, you'll only need to ask for a new DBS check if:
This is set out in paragraph 344 to 345 of Keeping Children Safe in Education (KCSIE). Existing volunteers involved in regulated activity who have already been DBS checked will only need to be re-checked if your school has any concerns. They will also need a new advanced DBS check, including barred list information, if they move into a new role