Walk-in coop with attached run (2 modules)
- Coop 7' x 6', 2 modules · 84 sq ft floor
- 200 sq ft run · 7' 9 3/8" tall
- Economy $2,386–$4,017 · Durable $3,096–$5,295
Chicken coop plans for 20 hens
20 hens need at least 80 sq ft of coop floor (4 sq ft per hen) and 200 sq ft of run (10 per hen), 5 nest boxes and 200 in of roost. Our first pick is the walk-in coop with attached run (2 modules): 7' x 6', about $2,386–$4,017 in Economy materials.
How much space do 20 chickens need?
- Coop floor (with run)
- 80 sq ft
- Run
- 200 sq ft
- Nest boxes
- 5
- Roost bar
- 200 in
Without a run, plan 200 sq ft of coop floor. Sources: Chicken coop guide (creatures.com), Converting a shed into a chicken coop (Farmers' Almanac). More in our space guide.
Two coop plans for 20 hens
Large shed coop with long run (2 modules)
- Coop 10' x 4', 2 modules · 80 sq ft floor
- 200 sq ft run · 7' 9 3/8" tall
- Economy $2,401–$3,960 · Durable $3,135–$5,270
Picked by our "Choose for me" for a 40 x 40 ft lawn. In the free preview you can pick any two models that fit your yard.
What materials do you need?
Part of the shopping list of the walk-in coop with attached run (2 modules) for 20 hens (25 lines in the full plan):
| Item | Size | Qty | Est. total |
|---|---|---|---|
| 2x4 lumber | 8' | 122 | $427.00–$671.00 |
| 4x4 pressure-treated lumber | 8' | 20 | $240.00–$400.00 |
| 1/2" OSB | 4' x 8' sheet | 20 | $280.00–$480.00 |
| 3/4" OSB | 4' x 8' sheet | 4 | $96.00–$152.00 |
| 1/2" hardware cloth | 36" wide x 100' roll | 2 | $220.00–$360.00 |
| 1/2" hardware cloth | 48" wide x 50' roll | 2 | $160.00–$260.00 |
| 3-tab asphalt shingles | bundle | 4 | $120.00–$180.00 |
| #9 x 3" exterior screws, 5 lb box (zinc) | pack | 4 | $100.00–$160.00 |
| 1" screws with washers (mesh), box of 200 | pack | 8 | $80.00–$160.00 |
- Step 1: Set the foundation
- Step 2: Build the floor
- Step 3: Frame the walls
- Step 4: Build the roof
- Step 5: Add siding and vents
- Step 6: Hang doors and ramp
- Step 7: Install roost and nest boxes
- Step 8: Build the run
3D preview
Which coop models fit 20 hens?
- Stilt coop with egg hatchStilt coop with egg hatch is for up to 6 hens.
- Large stilt coop with covered space underneathLarge stilt coop with covered space underneath is for up to 12 hens.
- Walk-in coop with attached run7' x 6' · $2,386–$4,017
- Portable chicken tractorPortable chicken tractor is for up to 6 hens.
- Large shed coop with long run10' x 4' · $2,401–$3,960
- Gable farmhouse coop5' x 8' · $2,588–$4,383
- Small minimal coopSmall minimal coop is for up to 4 hens.
- Low-slope modern coopLow-slope modern coop is for up to 6 hens.
3 of 8 models are available for 20 hens.
Coop for 20 hens: questions
How big should a chicken coop be for 20 hens?
At least 80 sq ft of floor when the hens also have a run, or 200 sq ft if they stay inside all day. Add 200 sq ft of run.
How much does it cost to build a coop for 20 chickens?
For the plans on this page, estimated materials are $2,386–$5,295 (Walk-in coop with attached run (2 modules)) and $2,401–$5,270 (Large shed coop with long run (2 modules)), from Economy to Durable materials.
How many nest boxes do 20 hens need?
5: one 12 x 12 in box for every 4 hens.
How long does it take to build a coop for 20 hens?
The walk-in coop with attached run (2 modules) plan estimates 16-26 hours (three weekends, with one helper).
Start this project
Both plans sized for 20 hens and your own yard, free in 3D.