old blue - What do you mean by LOTS? not sure I understand ....so these chickens will have no access to a run or free range? Not recommended - they need fresh air and sunshine. More sun, more eggs, too. That is a huge coop, but considering you won't be letting them out, I would say no more than 25 - 30 chickens, and that might be a little crowded. Please be careful not to crowd them if they are not getting outside - the added stress will bring undesirable behaviors such as pecking, lowered resistance to disease and pests, etc. Can you post pictures?