It depends on the size of the Hen's. For babies, a few inches will be enough room. For the more fully grown Hen's 10+ inches of space will be required.
If I were you I would contact local farmers in your area as they may be able to direct you to finding plans (or better yet might have plans they could share!)
Perhaps eBay or Itsy.
The name of a chicken's house is the chicken coop.
We just finished building a coop based on this design. One chicken decided to roost on the door opening and the rest lined up on the ramp. Hopefully today they will get used to the coop and decide to sleep inside.
HenHouse, Hen Coop, Chicken House and coop
A chicken coop.
The habitat of a chicken is called a coop. A coop is just a place the chickens can go at night to roost. It should be sheltered from the rain and winds. It also should contain nesting boxes where the hens can lay eggs. Safety from predators is also a reason to build a coop.
Chickens live in a chicken coop which is a coop.
YOU, don't build the chicken coop. Just Call Gots and Order a Chicken Coop.
The Fox in the Chicken Coop was created in 1978.
Do you want your chicken coop plan to be free or do you want to buy it? If you want it free I guess you can go www.backyardchickens.com/atype/2/Coops they have a lot of coops, from small to large and on wheels. If you want to know more about chicken coop and raising chicken there are many book covering this subject: Chickens In Your Backyard: A Beginner's Guide Chicken Coops: 45 Building Ideas for Housing Your Flock
You can only put chicken in the chicken coop.