Building a chicken coop on your own isn\u2019t just affordable, but it is fun and rewarding experience for first time chicken owners.<\/p>\n
Though internet is filled with different chicken coop ideas, it\u2019s important that you have a solid plan to build your chicken coop.<\/p>\n
Prior planning, which includes assessing available space, choosing the right material and setting boundaries ensures that your chicken stays safe and healthy.<\/p>\n
Depending on the weather conditions in your region, you can choose wooden blocks, meta fencing or durable plastic to build chicken coop for 20 chickens.<\/p>\n
In this article, am not going to give a overwhelming list of chicken coop design ideas. Instead, I\u2019ll assists you with the planning, preparation and building of a chicken coop.<\/p>\n
Based on it, you can labor your creative mind to make a home for flocks.<\/p>\n
How to Build a Chicken Coop for 20 Chickens?<\/strong><\/h2>\nDepending on number of chickens your about to raise, start with assessing the space needs.<\/p>\n
In short:<\/p>\n
\n\nEach chicken bird requires about 3\u20134 sq ft indoors and 8\u201310 sq ft in an outdoor run, so plan for at least 60\u201380 sq ft inside and 160\u2013200 sq ft outside.<\/p>\n
Choose a well-drained, shaded location, and design the coop with proper ventilation, predator-proofing, nesting boxes (1 per 3\u20134 hens), and roosting bars.<\/p>\n
Use durable materials like treated wood or metal roofing, ensure easy access for cleaning, and include secure fencing around the run to keep the flock safe.<\/p>\n<\/div>\n<\/div>\n
Before proceeding to the construction phase, I\u2019d suggest to plan, prepare and build.<\/p>\n
\n- Planning:<\/strong> Space assessment & visualize the design<\/li>\n
- Prepare:<\/strong> Gather durable material based on the height and size of chicken coop<\/li>\n
- Build:<\/strong> DIY or take help of a carpenter to build the layout and install the fence<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/homesteadgardener.com\/wp-content\/uploads\/2025\/08\/chicken-coop-for-20-chickens-1024x683.jpg\")
<\/figure>\nLet\u2019s elaborate each section.<\/p>\n
Step:1 Planning Your Chicken Coop<\/strong><\/h3>\nSpace Assessment<\/strong><\/h3>\nThe first step is determining how much room your 20 chickens will need. Each bird requires at least 3\u20134 square feet of indoor coop space, meaning your coop should measure around 60\u201380 square feet.<\/p>\n
The outdoor run should provide 8\u201310 square feet per chicken, so a fenced area of 160\u2013200 square feet is ideal. Adequate space helps prevent stress, disease, and aggressive behavior among your birds.<\/p>\n
Check this: 6 Best Ground Cover for Chicken Run<\/a><\/p>\nDesigning the Layout<\/strong><\/h3>\nWhen designing, think about the chickens\u2019 daily routine. Include nesting boxes (one for every 3\u20134 hens), roosting bars at different heights, and an easy-to-clean floor plan.<\/p>\n
\n- Position windows or vents for proper airflow while ensuring the coop remains draft-free in colder months.<\/li>\n
- Doors should be large enough for easy access\u2014both for chickens and for you during cleaning or feeding.<\/li>\n
- Hangers for feeders and drinkers help keep food and water off the ground, reducing waste and contamination.<\/li>\n<\/ul>\n
Also Read: How to Clean and Disinfect the Chicken Coop<\/a>?<\/p>\nHeight and Size Considerations<\/strong><\/h3>\nA coop should be tall enough for you to enter comfortably. A height of 6\u20137 feet<\/strong> allows you to move around without bending too much, making maintenance easier.<\/p>\nFor the chickens, elevated roosting bars should be placed about 2 feet above the floor<\/strong> with enough spacing to prevent overcrowding.<\/p>\nRemember to allow extra space for storage of feed and supplies if you want a more self-sufficient setup.<\/p>\n
How Big of a Coop for 20 Chickens?<\/strong><\/h3>\n![\"\"](\"https:\/\/homesteadgardener.com\/wp-content\/uploads\/2025\/05\/chickens-not-laying-eggs-1024x744.jpg\"\/)
![\"\"](\"https:\/\/homesteadgardener.com\/wp-content\/uploads\/2025\/05\/chickens-not-laying-eggs-1024x744.jpg\")
<\/figure>\nWhen planning a coop for 20 chickens, space is the first thing to get right. Each chicken needs about 3\u20134 square feet inside the coop, which means you\u2019ll need at least 60\u201380 square feet of indoor space.<\/p>\n
For the outdoor run, allow 8\u201310 square feet per bird, giving you 160\u2013200 square feet where they can scratch, forage, and roam freely.<\/p>\n
A good setup could be a 10\u00d78 ft coop paired with a 16\u00d712 ft run, but going bigger is always better.<\/p>\n
More room reduces stress, keeps chickens healthier, and makes cleaning easier for you. Think of it as an investment in both their well-being and your convenience.<\/p>\n
Step:2 Preparing for Construction<\/strong><\/h3>\nChoosing Materials<\/strong><\/h3>\nDurability and safety are the top priorities when selecting materials. Treated wood is often the best choice for framing because it resists rot and weather damage.<\/p>\n
For the roof, metal sheets or asphalt shingles work well, offering long-lasting protection from rain and heat.<\/p>\n
Wire mesh or hardware cloth is crucial for fencing and ventilation\u2014it\u2019s sturdier and more predator-proof than regular chicken wire.<\/p>\n
Essential Tools and Supplies<\/strong><\/h3>\nBefore starting, gather the necessary tools such as a saw, hammer, drill, tape measure, nails, screws, and hinges.<\/p>\n
Stock up on exterior-grade paint or sealant to weatherproof the wood. Having all materials ready beforehand will make the building process smoother and prevent interruptions.<\/p>\n
Step:3 Building the Chicken Coop<\/strong><\/h3>\n![\"\"](\"https:\/\/homesteadgardener.com\/wp-content\/uploads\/2025\/06\/chicken-coop-with-wood-pallets-1024x683.jpg\"\/)
![\"\"](\"https:\/\/homesteadgardener.com\/wp-content\/uploads\/2025\/06\/chicken-coop-with-wood-pallets-1024x683.jpg\")
<\/figure>\nConstructing the Frame and Walls<\/strong><\/h3>\nBegin with a solid foundation\u2014either concrete blocks, pavers, or a raised wooden base to keep the coop off the ground.<\/p>\n
This prevents flooding and deters pests. Build the frame from treated lumber, then add walls, leaving space for doors, windows, and ventilation openings.<\/p>\n
Ensure walls are sturdy enough to withstand wind and predators.<\/p>\n
Also Read: What Should Be Inside a Chicken Coop<\/a>?<\/p>\nAdding the Roof and Flooring<\/strong><\/h3>\nInstall a sloped roof to allow rainwater runoff, preventing leaks and water damage. A metal or shingle roof ensures durability.<\/p>\n
For flooring, use plywood covered with linoleum, or hardware cloth beneath bedding to make cleaning easier and reduce rodent access.<\/p>\n
Add a thick layer of bedding such as straw, wood shavings, or hemp for comfort and cleanliness.<\/p>\n
Installing Doors and Windows<\/strong><\/h3>\nEvery coop needs at least one human-sized access door and one smaller chicken door (pop door).<\/p>\n
Fit doors with sturdy locks or latches to keep predators out. Add screened windows or vents on opposite walls for cross-ventilation while ensuring openings are covered with hardware cloth.<\/p>\n
Fencing the Run<\/strong><\/h3>\nChickens need outdoor space to forage, dust-bathe, and exercise. Use strong hardware cloth or welded wire fencing around the run, at least 6 feet high, to keep predators like raccoons, foxes, or stray dogs away.<\/p>\n
Bury the wire at least 12 inches underground to stop digging animals. If hawks are common in your area, consider adding netting or wire mesh across the top.<\/p>\n
A secure run reduces risks and gives your chickens the freedom to roam safely.<\/p>\n
Also Read: How to Build Chicken Coop Out of Pallets<\/a>?<\/p>\nImportant things Every Chicken Coop Must Have<\/strong><\/h3>\nNesting Boxes<\/strong><\/h3>\nProvide around 6\u20137 nesting boxes for a flock of 20 chickens. Line them with straw or shavings to keep eggs clean and cushioned.<\/p>\n
Place the boxes in darker, quieter corners of the coop to encourage hens to lay.<\/p>\n
Roosting Bars<\/strong><\/h3>\nChickens prefer to sleep off the ground. Install sturdy wooden bars about 2 feet above the floor, spaced so each bird has at least 8\u201310 inches of roosting space.<\/p>\n
Avoid metal pipes, as they can get too cold in winter and cause discomfort.<\/p>\n
Ventilation and Light<\/strong><\/h3>\nProper airflow is essential to prevent ammonia buildup from droppings. Add vents near the roofline to keep fresh air circulating without creating drafts at chicken level.<\/p>\n
Natural light through windows supports healthy egg production, but artificial lighting can be added in winter to extend laying hours.<\/p>\n
Easy Cleaning Features<\/strong><\/h3>\nDesign the coop with maintenance in mind. Removable trays under roosting bars, wide doors, and smooth flooring all make cleaning quicker.<\/p>\n
Cleanliness prevents parasites, disease, and bad odors, ensuring a healthy environment for your flock.<\/p>\n
Each chicken bird requires about 3\u20134 sq ft indoors and 8\u201310 sq ft in an outdoor run, so plan for at least 60\u201380 sq ft inside and 160\u2013200 sq ft outside.<\/p>\n
Choose a well-drained, shaded location, and design the coop with proper ventilation, predator-proofing, nesting boxes (1 per 3\u20134 hens), and roosting bars.<\/p>\n
Use durable materials like treated wood or metal roofing, ensure easy access for cleaning, and include secure fencing around the run to keep the flock safe.<\/p>\n<\/div>\n<\/div>\n
Before proceeding to the construction phase, I\u2019d suggest to plan, prepare and build.<\/p>\n
- \n
- Planning:<\/strong> Space assessment & visualize the design<\/li>\n
- Prepare:<\/strong> Gather durable material based on the height and size of chicken coop<\/li>\n
- Build:<\/strong> DIY or take help of a carpenter to build the layout and install the fence<\/li>\n<\/ul>\n
<\/figure>\nLet\u2019s elaborate each section.<\/p>\n
Step:1 Planning Your Chicken Coop<\/strong><\/h3>\n
Space Assessment<\/strong><\/h3>\n
The first step is determining how much room your 20 chickens will need. Each bird requires at least 3\u20134 square feet of indoor coop space, meaning your coop should measure around 60\u201380 square feet.<\/p>\n
The outdoor run should provide 8\u201310 square feet per chicken, so a fenced area of 160\u2013200 square feet is ideal. Adequate space helps prevent stress, disease, and aggressive behavior among your birds.<\/p>\n
Check this: 6 Best Ground Cover for Chicken Run<\/a><\/p>\n
Designing the Layout<\/strong><\/h3>\n
When designing, think about the chickens\u2019 daily routine. Include nesting boxes (one for every 3\u20134 hens), roosting bars at different heights, and an easy-to-clean floor plan.<\/p>\n
- \n
- Position windows or vents for proper airflow while ensuring the coop remains draft-free in colder months.<\/li>\n
- Doors should be large enough for easy access\u2014both for chickens and for you during cleaning or feeding.<\/li>\n
- Hangers for feeders and drinkers help keep food and water off the ground, reducing waste and contamination.<\/li>\n<\/ul>\n
Also Read: How to Clean and Disinfect the Chicken Coop<\/a>?<\/p>\n
Height and Size Considerations<\/strong><\/h3>\n
A coop should be tall enough for you to enter comfortably. A height of 6\u20137 feet<\/strong> allows you to move around without bending too much, making maintenance easier.<\/p>\n
For the chickens, elevated roosting bars should be placed about 2 feet above the floor<\/strong> with enough spacing to prevent overcrowding.<\/p>\n
Remember to allow extra space for storage of feed and supplies if you want a more self-sufficient setup.<\/p>\n
How Big of a Coop for 20 Chickens?<\/strong><\/h3>\n
<\/figure>\nWhen planning a coop for 20 chickens, space is the first thing to get right. Each chicken needs about 3\u20134 square feet inside the coop, which means you\u2019ll need at least 60\u201380 square feet of indoor space.<\/p>\n
For the outdoor run, allow 8\u201310 square feet per bird, giving you 160\u2013200 square feet where they can scratch, forage, and roam freely.<\/p>\n
A good setup could be a 10\u00d78 ft coop paired with a 16\u00d712 ft run, but going bigger is always better.<\/p>\n
More room reduces stress, keeps chickens healthier, and makes cleaning easier for you. Think of it as an investment in both their well-being and your convenience.<\/p>\n
Step:2 Preparing for Construction<\/strong><\/h3>\n
Choosing Materials<\/strong><\/h3>\n
Durability and safety are the top priorities when selecting materials. Treated wood is often the best choice for framing because it resists rot and weather damage.<\/p>\n
For the roof, metal sheets or asphalt shingles work well, offering long-lasting protection from rain and heat.<\/p>\n
Wire mesh or hardware cloth is crucial for fencing and ventilation\u2014it\u2019s sturdier and more predator-proof than regular chicken wire.<\/p>\n
Essential Tools and Supplies<\/strong><\/h3>\n
Before starting, gather the necessary tools such as a saw, hammer, drill, tape measure, nails, screws, and hinges.<\/p>\n
Stock up on exterior-grade paint or sealant to weatherproof the wood. Having all materials ready beforehand will make the building process smoother and prevent interruptions.<\/p>\n
Step:3 Building the Chicken Coop<\/strong><\/h3>\n
<\/figure>\nConstructing the Frame and Walls<\/strong><\/h3>\n
Begin with a solid foundation\u2014either concrete blocks, pavers, or a raised wooden base to keep the coop off the ground.<\/p>\n
This prevents flooding and deters pests. Build the frame from treated lumber, then add walls, leaving space for doors, windows, and ventilation openings.<\/p>\n
Ensure walls are sturdy enough to withstand wind and predators.<\/p>\n
Also Read: What Should Be Inside a Chicken Coop<\/a>?<\/p>\n
Adding the Roof and Flooring<\/strong><\/h3>\n
Install a sloped roof to allow rainwater runoff, preventing leaks and water damage. A metal or shingle roof ensures durability.<\/p>\n
For flooring, use plywood covered with linoleum, or hardware cloth beneath bedding to make cleaning easier and reduce rodent access.<\/p>\n
Add a thick layer of bedding such as straw, wood shavings, or hemp for comfort and cleanliness.<\/p>\n
Installing Doors and Windows<\/strong><\/h3>\n
Every coop needs at least one human-sized access door and one smaller chicken door (pop door).<\/p>\n
Fit doors with sturdy locks or latches to keep predators out. Add screened windows or vents on opposite walls for cross-ventilation while ensuring openings are covered with hardware cloth.<\/p>\n
Fencing the Run<\/strong><\/h3>\n
Chickens need outdoor space to forage, dust-bathe, and exercise. Use strong hardware cloth or welded wire fencing around the run, at least 6 feet high, to keep predators like raccoons, foxes, or stray dogs away.<\/p>\n
Bury the wire at least 12 inches underground to stop digging animals. If hawks are common in your area, consider adding netting or wire mesh across the top.<\/p>\n
A secure run reduces risks and gives your chickens the freedom to roam safely.<\/p>\n
Also Read: How to Build Chicken Coop Out of Pallets<\/a>?<\/p>\n
Important things Every Chicken Coop Must Have<\/strong><\/h3>\n
Nesting Boxes<\/strong><\/h3>\n
Provide around 6\u20137 nesting boxes for a flock of 20 chickens. Line them with straw or shavings to keep eggs clean and cushioned.<\/p>\n
Place the boxes in darker, quieter corners of the coop to encourage hens to lay.<\/p>\n
Roosting Bars<\/strong><\/h3>\n
Chickens prefer to sleep off the ground. Install sturdy wooden bars about 2 feet above the floor, spaced so each bird has at least 8\u201310 inches of roosting space.<\/p>\n
Avoid metal pipes, as they can get too cold in winter and cause discomfort.<\/p>\n
Ventilation and Light<\/strong><\/h3>\n
Proper airflow is essential to prevent ammonia buildup from droppings. Add vents near the roofline to keep fresh air circulating without creating drafts at chicken level.<\/p>\n
Natural light through windows supports healthy egg production, but artificial lighting can be added in winter to extend laying hours.<\/p>\n
Easy Cleaning Features<\/strong><\/h3>\n
Design the coop with maintenance in mind. Removable trays under roosting bars, wide doors, and smooth flooring all make cleaning quicker.<\/p>\n
Cleanliness prevents parasites, disease, and bad odors, ensuring a healthy environment for your flock.<\/p>\n
- Prepare:<\/strong> Gather durable material based on the height and size of chicken coop<\/li>\n
![\"\"](\"https:\/\/homesteadgardener.com\/wp-content\/uploads\/2023\/02\/WhatsApp-Image-2023-02-24-at-12.59.29-PM.jpeg\"\/)
![\"\"](\"https:\/\/homesteadgardener.com\/wp-content\/uploads\/2023\/02\/WhatsApp-Image-2023-02-24-at-12.59.29-PM.jpeg\")
<\/div>\n