How do I make a UK bank transfer on Coinbase?

Could you elaborate on the steps required to successfully execute a UK bank transfer on Coinbase? As a cryptocurrency user, I'm interested in understanding the entire process from start to finish. Specifically, I'd like to know how to initiate the transfer, what kind of verification steps I might need to go through, and how long the process typically takes. Additionally, are there any specific fees or charges associated with this transaction? Understanding these details will help me make an informed decision and ensure a smooth transaction experience.