If you are using Philpost International Express Mail Service (IEMS), all you need to do is bring all your items to your nearest Philpost branch and they will pack everything in front of you. Then you just have to pay, sign the receipts and they will give you a copy with tracking number.
Hi raynaputi! I heard that I have to accomplish a C3 before sending stuff to the UK. Something to do with customs declaration I think but I am not sure...