Will check out the document link you sent to figure out which docs they will want the phone number you gave is the one i have been calling all i get is push 1 for english then 5 for consular services which refers you to the web site The people i called in london issue the english CNI in the first place below is the link to the British Embassy in London The Gent i spoke to asked me to forward the email i sent to Manila so he could contact his opposite number in Manila to see what could be done
British Embassy in London
british.embassy.uk.com/
Visit the British Embassy web site for British visa guide, British visa application forms, British embassy contact details and phone numbers in UK from here