Conversation so far:
What can you tell me about the structure of the buildings?
Much of Broadmoor's architecture is still Victorian.
Victorian in what way?
has a clock tower.
What is the most important aspect of this article?
permission was granted in 2012 for a PS242 million redevelopment.

Question: What was involved in the redevelopment?
Self-contained rewrite: What was involved in the redevelopment of Broadmoor Hospital in 2012?