Have a look at the links on this thread as a staryer www.british-filipino.com/index.php?threads/new-uk-visa-and-citizenship-application-services-centres-open.16499/#post-185300
with applications dated after 5th november, you dont HAVE TO send in original documents--except passports: copies are acceptable. i did--and got the copies returned, together with my wife's 2nd FLR approval this week.
you really dont need an appointment--you already have a BRP--so an online application will save you spending an extra £600+. ours took a month from online application on the 5th november.
We wrote here It would be impossible and impractical for myself and my partner who is my sponsor to find employment outside the UK