Do you own a flock of hens that are expanding? You'll need a high-quality chicken coop big enough to keep all of your hens safe at night if they've Do you own a flock of hens that is expanding? You'll need a high-quality chicken coop big enough to keep all of your hens safe at night if they've outgrown their little coop or if you're thinking about bringing a big flock of chickens home. Do you want to construct a do-it-yourself chicken coop to the house at least 15 backyard hens? We have 53 lovely DIY chicken coop designs, so you're in luck. Consider these.