Pics of inside?
Do you have ventilation along the lower edges of roof(open soffits)?
Is the cupola functioning or just decorative?
Where in this world are you located?
Climate, and time of year, is almost always a factor.
Please add your general geographical location to your profile.
It's easy to do, (laptop version shown), then it's always there!
I designed the coop with the built in nesting boxes. My wife and I were on a trip coming through GA. and we stopped into an Antique Store and she saw these old nesting boxes and she just had to have them. So there they are. Happy wife great laying chickens.