Can my request be refused?

FOI requests can be complied with or refused in part or in total.

Requests can be refused because:

However, public authorities have a duty to advise and assist applicants with their FOI requests and communication between the applicant and public authority may result in: 

If a public authority is refusing some, or all, or your request, it must send a refusal notice to you before the end of the 20th working day.  

   More on refusal notices