travelling from british airports at 16 ??????

i know i can travel to other countries at 16 from british airports , but do i need permission from my parents?? the thing is i want to go amsterdam for summer, do i need permission to travel as i am16 ( i have my own britrish passport)

I do not know what is the legal requirements in you country - assuming it is UK - but in our country legal age of a youngster to do anything without their parent's permission is 18 - since 2007.