The UK is an ideal area for wind development, and it can be built much faster than nuclear, at comparable costs, without the pollution and waste baggage. And the waste issue for nuclear is always deferred. It's hard for me to take this persistent deus ex machina seriously.
I wouldn't suggest shutting down all UK nukes tomorrow, but I believe approximately half the capacity is due for retirement before long. Let it go. It's just an expensive dirty blighting method of boiling water.