Where are nuclear weapons made?

[Capt.Ridley_s_Shooting_Party]

Where were the British nuclear deterrant made? Is it classified? Just how dangerous is making nuclear weapons these days?

[Xerxes]

Here’s the homepage of the UK’s Atomic Weapons Establishment, and here’s a pretty comprehensive overview of Aldermaston. You could google AWE or AWRE (latter is Atomic Weapons Research Establishment) to find more than you’re ever likely to need to know about the UK programme.