Best Large Chicken Coops
Large flocks (15+ birds) need serious infrastructure, 60+ sq ft of coop, 150+ sq ft of run, walk-in access, and feed storage. These picks deliver.
Top picks
Finding matching ready-made coops…
Buyer checklist
60+ sq ft interior coop
4 sq ft per bird minimum.
150+ sq ft attached run
Bigger if not free-ranging.
Two or more access doors
Easier daily care from multiple angles.
Feed and bedding storage area
Built-in or attached lean-to.
Multiple ventilation points
Big coops need significant airflow.
Pressure-treated and foundation-grade lumber
Cheap framing fails at this size.
Why buy
- Pre-fab options $2,500-$6,000
- Shed-conversion kits available
Frequently asked questions
What size coop do I need for 20 chickens?
80 sq ft of coop and 200 sq ft of run. An 8×10 walk-in is the standard layout.
Should I convert a shed into a large coop?
Absolutely, 8×10 and 10×12 sheds make excellent coops. Add ventilation, hardware cloth, and a pop door.