Meeting of Past and Future - Office / Workspace

Instead of using the office idea as a meeting space, I have chosen to make the meeting between past and future. How would the boat shed look if it had been abandoned and left alone for 30 years for example. In the past the space still would've been an office or something similar, but this isn't the focus. So ill probably put a few desks and a bookcase in there. In my drawings I want to convey the feeling/atmosphere of a dark, dusty, derelict space.