Good idea with the large limb roost pole! People too often use small, thin roost poles which are not comfortable for the chicken and can even cause bumble foot. Great conversion!
Looks very clean and tidy; but I don't understand your laying boxes. Can yu show pictures of them open, please? Thnx - I, too, have metal shed; but my young girls just lay on each other & break their eggs, choosing just one box.
I like it! I did something similar with a slightly smaller shed so I know a little bit about this. It's nice to see someone else showing everybody a good example of how it should be done. Thanks!