Seems to be causing some interest, so thought I'd snip the whole changing room area (from Lower ground floor plan-proposed - plans accessed via www.brighton-and-hove.co.uk)
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I think the interior lay-outs have changed quite a bit since the proposed plans shown on the planning application, so not sure how accurate this changing room floor plan is anymore. Judging from all the photos I've seen, the whole basement shifted at least 2 or 3 grid-lines to the north, and the players entrance shown at the south end was never built. I would like to see the club update the stadium link on the official site showing all the changes; like you said, there is obviously a large amount of interest in this.