Thanks, making appointment was quite straightforward, they ask for simple details (type of application, any dependents etc) I can't remember if they asked for passport number
Just wanted to let everybody know about my experience at Croydon: The process as follows: arrive get ticket, wait, pay the fee, wait, go to the counter to submit your application. You do not get to see the CW!! they just ask you for the form and all the supporting documents you want to include..then ...