The Ultimate Guide to Chicken Coop Plans for 20 Chickens (With Free Designs & Size Tips)

If you're planning to raise a flock of 20 chickens, you're in the right place. Whether you’re looking for large chicken house plans, wondering how big of a coop for 20 chickens you need, or searching for free chicken coop plans for 20 chickens, this guide covers it all.

Let’s walk you through everything you need to know—from chicken coop size for 20 chickens to chicken run size, designs, DIY plans, and even where to find 20 chicken coops for sale.

🐔 How Big of a Chicken Coop Do You Need for 20 Chickens?

The golden rule: Each chicken needs 3–4 square feet of indoor coop space and 8–10 square feet of outdoor run space.

• Minimum Coop Size: 60–80 square feet
• Minimum Run Size: 160–200 square feet

So, if you’re asking “how big of a chicken coop for 20 chickens?”, the answer is:
➡️ At least 80 square feet for the coop and
➡️ 200 square feet for the run.

This setup will keep your hens healthy, happy, and laying consistently.

📐 Chicken Coop Plans for 20 Chickens

There are many ready-to-use and downloadable 20 chicken coop plans available online. Whether you're looking for cheap chicken coop plans, DIY designs, or a chicken coop kit for 20 chickens, here are some options to consider:

🔨 Free Chicken Coop Plans for 20 Chickens

Many homesteading blogs and YouTube channels offer free chicken coop plans for 20 chickens. Look for blueprints that include:

 

• Nesting boxes (at least 5–6 for 20 hens)
• Ventilation windows
• Predator-proof materials
• Easy access for cleaning and egg collection

- Large Chicken Coop Designs

If you want a structure that goes beyond function and looks good in your backyard, opt for:

• Large chicken coop for 20 chickens with walk-in access
• Elevated coops to protect against predators
• Integrated runs for safety and efficiency

Some plans include both the chicken house and chicken run size for 20 chickens, so you don’t need to calculate measurements yourself.

🧰 Chicken Coop Kits & Coops for Sale

If you’re not a DIYer, a chicken coop for 20 chickens for sale might be your best bet.

🔎 What to Look For:

• “20 chicken coop” or “chicken coop for 15–20 chickens” in the product name
• Adequate space based on the 4 sq ft per bird rule
• Easy assembly or pre-built options
• Durable materials (metal, treated wood, or weather-resistant plastic)

Search terms like:

• “Chicken coop kits for 20 chickens”
• “Hen house for 20 chickens”
• “Large chicken coop for 20 chickens”

These will bring up products that match your flock size.

If you're looking for a reliable option, Be Out Supplies offers chicken coops designed specifically for flocks like yours.

✅ Sample Large Chicken House Plans (DIY)

Here’s a simple sample layout for a large chicken house designed for 20 chickens:

Indoor Coop Dimensions:

• 8 ft x 10 ft (80 sq ft)
• 6 nesting boxes
• 2 roosting bars, 8 ft long each
• 2 windows + 1 ventilation opening
• Plywood walls, tin roof

Outdoor Run Dimensions:

• 10 ft x 20 ft (200 sq ft)
• Wire mesh fencing (buried 1 ft underground)
• Covered top to protect from predators

This design ensures your birds have plenty of space and are protected from the elements and predators.

🔁 Common Search Terms You May Have Used

We’ve covered answers to many of the most commonly searched phrases, including:

• Chicken coop size for 20 chickens
• Chicken run size for 20 chickens
• Chicken house for 20 chickens
• Chicken coop designs for 20 chickens
• 20 chicken coop plans
• Cheap chicken coop for 20 chickens
• 20 bird chicken coop
• How to build a chicken coop for 20 chickens

So no matter how you phrased your search, we’ve got you covered.

📦 Final Thoughts: Ready to Build or Buy?

Raising 20 chickens is rewarding, but it takes planning. Whether you go for chicken coop plans for 20 hens, a chicken house for 20 chickens, or a 25 chicken coop to give a bit of extra room, getting the size right is key.

✔️ DIY your coop using free large chicken house plans
✔️ Buy a chicken coop kit for 20 chickens
✔️ Or design your own based on the dimensions and tips above

Your hens will thank you with happy clucks and plenty of eggs.

💡 Pro Tip:

Bookmark this page or pin it on Pinterest so you can come back to it when you’re ready to start building or shopping!