That does indeed look promising, but the passport C2 notes state the following:
From 1 July 2006 the definition of a parent for British nationality purposes changed to include illegitimate children born through a surragacy arrangement to a British citizen father, provided that the mother of the child is still not married to another man.
However I am the father on the NSO birth certificate, and he has my surname on this and his Pinoy passport.
