Subject access request Q and As for employers
Useful information regarding the right to access information held on you by your employer. While this is written as advice to the company, it's also informative about what you, as an employee, can ask.
GDPR Enforcement Tracker - list of GDPR fines
It's often you get told or hear that nobody ever gets fined under the GDPR. Here's a site that shows that really isn't the case at all.