Sounds like you have it all ready, not sure if you have to pay the fee first before you book the appointment, you will need to take a passport photo with you as part of you application.
There are optional additional services you pay for at the time such as sms and courier services.
If you use the VIP lounge all these services, including photocopying and passport photo are included in the VIP cost (1800 Php)
http://www.vfs-uk-ph.com/additionalservice.html
