I've read through this thread and am honestly wondering if I need to get rid of a bird or three. I have 15 chicks and plan to put them in a 5x7 shed. I do know I need to get the next boxes off the ground to make more floor space for the full 5x7 to be usable...I will mount those to a wall to do that. I have 3 roost bars in there, totaling 19' of roost space, so I know that is enough for 15 birds. There is also a "shelf" about halfway up the back wall of the coop which is approximately 2x5', which is technically more space for them, correct? All in all I would say that my 15 girls will have approximately 45s/f of interior floor space plus a HUGE side yard to roam freely all day long. I'm positive that they'll each have at least 14s/f outside in the yard all day long but we do live in WA where it rains a lot. We will be covering about 1/3 of the run so the food and water stays fresh and dry, and they can stay outside under cover if it's raining. Can anyone who's done this before please let me know how you think this will work out?
7-8 chickens in that space unless you want to deal with too many problems to list.