DBS checks don't expire
There's no statutory requirement to renew them as a matter of course, although you can choose to do so.
For existing staff members, you'll only need to ask for a new DBS check if:
This is set out in paragraphs 345 and 346 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 that includes