The Publication Scheme details all the information routinely available under FOI. Please check this as the information you are requesting may already be publicly available.
Make a Freedom of Information Request
Information Governance Unit
PO Box 1
Can I have my personal information under FOI?
If you want your own information, you are entitled to it under Data Protection, rather than FOI. The rules for personal and non-personal information are slightly different. See the "Applying for your data" web page.