For those of you who are interested, at the point I have just gotten to in New Light, Ben and his friends have had to return to the Laboratory for reasons that will become clear if you read it!
While they were looking for anything of use, they came across this floor plan on the wall of the Mess Hall, so I thought I would share it with you. Now you all have an idea what the Laboratory looks like, at least in part. The mainframe and maintenance levels (i.e. fusion reactor) are both security clearance Alpha 9, so no floor plans for them I'm afraid.
Anyway, here it is!
Let me know what you think in the comments below. Was it how you imagined?