With my coop I feel the opposite. I have an 8' x 12' coop with four nests stacked 2x2. The lower ones are off the floor enough that when I'm integrating the weaker ones can hide under them. I consider that space under the nests to be a lot more valuable that several square feet of floor space...
Welcome to the forum from Louisiana. Glad you joined.
Where are you located? That information can come in handy in several different ways, including for questions like this. Knowing your weather, winter and summer, can help with what type of coop to build, some of which could possibly save...