Good ruling, although I'm not cheering yet. I'll have to read the judgment, but unlike the USA's Fourth Amendment, or Section Eight of the Canadian Charter, the ECHR doesn't specifically ban "unreasonable search and seizure". It just has a vague, abstract "right to privacy". So there could well be wiggle-room for Labour to disregard the ruling.
and like all Euro rulings they'll find a way round it, look at the DNA samples fiasco...