here is the link for the service centers in UK. http://www.europe-nikon.com/en_GB/service_support/Support_Repair_Home.page

i would not spend if i was charged for it,... i would simply stick tape to it to avoid popping up :p . but if you worry about the looks ... do proceed with the service center. the latch is cracked in your camera. i am very doubtful about it getting fixed as the latch is a part of the camera ..... ....

consider yourself lucky if you can get it fixed :) all the best :) happy clicking

Nikon has a list of authorized service centres in the UK.

I would not pay for repairs if I was charged for it... I would simply stick tape to it to avoid having it pop up. But if you worry about the looks, do contact the service centre as the latch is probably cracked in your camera. I doubtful about it getting fixed as the latch is a part of the camera, though...