Hi Sam, your map looks nice so far.

What I would change is the numbers, letters and other symbols. They are map markings, but you rendered them in 3D, turning them into physical objects in the dungeon. You might not want people thinking those are statues. I'd remove their 3D models and add them back in post production.

Also your doors look more like shelves. In the original, there is a pretty thick rectangle marking them, but it's a symbol, I don't think they'd look like that in reality. Normally doors are much thinner than the walls. If you don't want to cut out doorways in your model, I'd at least resize the doors to make them as thin as you can while still keeping them just a tiny bit thicker than the wall, so they stay visible.