I converted a shed also, and insulated, added ventilation, roosting bars and nesting boxes.Due to limited time I settled for a pre-built shed from Cumberland, as bought one from them in the past. We put the windows in ourselves, insulated, and I divided a small area for storage and future brooder. The main pen, we're restoring the bent poles and etc, as it's covered top and floor. I keep them I. It when we're gone. The grazing or run pens are just fenced.