Building my first coop and getting conflicting numbers online. How much space do laying hens really need inside the coop and out in the run so they stay healthy and happy?
Great question to nail down before you start building — way easier to get it right now than to rebuild later.
Inside the coop (sleeping/roosting space):
The number you’ll see most often is 4 square feet per bird for standard-sized laying hens. That’s a solid minimum. If you can give them a little more — say 5–6 sq ft — you’ll have happier birds and more breathing room (literally) in winter when they’re cooped up longer.
Don’t forget vertical space matters too. Plan for at least 18–24 inches between roost bars, and set the lowest bar high enough that the droppings board underneath stays workable for you.
The run:
Here’s where a lot of folks underestimate. The common guideline is 10 square feet per bird in the outdoor run, but honestly, more is nearly always better. Crowded runs go bare fast, and bare ground turns to mud, then to a health headache. If you can swing 15–20 sq ft per bird, you’ll see less pecking and a lot more natural foraging behavior.
A few things that’ll change your math:
- Breed size — bantams need less, heavy breeds like Orpingtons appreciate more
- How much free-range time they get outside the run
- Your climate — cold climates mean more time indoors, so the coop square footage matters more
- Flock size — a small flock in a tight space can get testy; more birds sometimes means you need to be more generous per bird, not less
One rule of thumb I’ve always liked: build for the flock you want, not just the flock you’re starting with. It’s almost a law of homesteading that the flock grows.
What breed are you thinking, and roughly how many birds are you starting with? That’ll help nail down the numbers for your situation.