As I try to finalize my new coop plans, I keep changing my mind on where the external nest boxes should go. Our coop will be attached to a covered run in the playhouse style coop design. I have researched coops until my eyes are about to fall out. One thing I have noticed is that all the coops of this style I have looked at, seem to have their nest boxes on one of the walls outside the run. Is there a reason for this? I am considering putting mine on the wall that will be inside the run next to the pop door. I thought this would prevent leakage in the nest boxes since it will be under the roof as well as have it's own little roof and it will remove temptation in case any predators decide to attempt to get into it. The run will be completely enclosed in hardwire cloth and the the perimeter of the run and coop will have hardwire cloth buried and be surrounded by sidewalk, driveway and cobblestones and be closed up at night. Come winter, the run will be enclosed with clear corrigated panels to keep the snow out. The only disadvantage I see to this is the fact that I will have to go into the run to get the eggs, but I don't think that is a big deal, considering the benefits and it will be easy enough to get in and out of. Is there a reason this generally isn't done that I should be aware of before I do it? If I put them on the inside wall, that will leave me a whole wall to install a built in chick brooder! Thanks for your help.