Chicken Coop Plans

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8x16 Shed Style Chicken Coop Plans for 19-26 Hens (Free PDF)

8x16 Walk-In Shed Coop with Feed Room + 8x20 Run: 79 sq ft of coop and 160 sq ft of screened run for 19-26 hens. Dimensioned drawings, a complete material list, and every cut length across 19 assembly steps. Advanced build, twelve to fourteen days (90-110 hrs).

Every dimension, spec table and cut list below is free on this page. Complete 42-page book: Full plans on Etsy.

8x16 Walk-In Shed Coop with Feed Room + 8x20 Run plans — cover sheet with isometric view

Specifications

Coop footprint 8 ft × 16 ft — 79 sq ft of bird floor
Run 8 ft × 20 ft (160 sq ft), screened
Overall length 432" coop + run
Peak height 129-5/16" (24" roof rise)
Access Walk-in — full standing headroom
Interior wall height 76"
Floor height 12" off grade — screened bay underneath
Capacity 19-26 hens
Nest boxes 7 in a 104" bank
Roost bar 260" minimum (10" per bird)
Ventilation 7 sq ft across 3 windows
Floor framing 13 joists at 16" OC, 90" clear span
Build time Twelve to fourteen days (90-110 hrs)
Difficulty Advanced
Materials cost $4,950–$6,400 at 2026 prices

What's Inside the Plans

Sample sheets from the complete 42-page plan book — dimensioned drawings, cut tables and build references drawn at print quality. The previews below are watermarked; the book is not. Everything published on this page stays free.

8x16 Walk-In Shed Coop with Feed Room + 8x20 Run plans — build stages overview page
Build stages overview
8x16 Walk-In Shed Coop with Feed Room + 8x20 Run plans — dimensioned plan view page
Dimensioned plan view
8x16 Walk-In Shed Coop with Feed Room + 8x20 Run plans — wall framing sheet page
Wall framing sheet
8x16 Walk-In Shed Coop with Feed Room + 8x20 Run plans — board-by-board cut plan page
Board-by-board cut plan
8x16 Walk-In Shed Coop with Feed Room + 8x20 Run plans — material list page
Material list
8x16 Walk-In Shed Coop with Feed Room + 8x20 Run plans — builder's glossary page
Builder's glossary

Material List

The complete bill of materials. Quantities carry no waste allowance — add two or three extra boards if you are new to framing.

Material Size Quantity
1x2 lumber 8 feet 2 pcs
1x4 lumber 8 feet 4 pcs
2x12 lumber (headers) 10 feet 2 pcs
2x2 lumber 8 feet 2 pcs
2x4 lumber 22 feet 4 pcs
2x4 lumber 16 feet 6 pcs
2x4 lumber 10 feet 13 pcs
2x4 lumber 8 feet 88 pcs
2x6 lumber 18 feet 4 pcs
2x6 lumber 10 feet 9 pcs
2x6 lumber 8 feet 17 pcs
4x4 post (ground contact) 16 feet 2 pcs
4x4 post (ground contact) 10 feet 16 pcs
4x4 post (ground contact) 8 feet 2 pcs
3/4" plywood 4' x 8' 15 pcs
1/2" plywood (partition + header spacers) 4' x 8' 2 pcs
Lap siding 12 ft, 8-1/4in exposure 51 pcs (~352 sq ft of wall)
Corrugated metal roofing 26" x 10 ft 9 panels
Roof screws, neoprene washer 1-1/2" 360 pcs
Drip edge / eave closure strip 10 ft 6 pcs
1/4" hardware cloth, 19 ga 36" roll 100 ft + 100 ft + 50 ft + 25 ft (252 ft needed)
Fender washers + screws for cloth 1" washer 1008 pcs
Heavy-duty staples 1/2" 1 box (1000)
Coop windows 18" x 23" 3
Pier blocks solid concrete deck block 16 pcs
Gravel, compacted under each block 3/4" clean 15 cu ft
Coarse sand or 3/8in drain rock (run floor) 3-4in deep 2 cu yd
2-1/2" exterior screws 5 lb box 5 boxes
1-1/2" exterior screws 5 lb box 2 boxes
4" structural screws 24 pcs
3/8" x 4" lag bolts (run to coop) 8 pcs
Siding nails or screws 5 lb box 2 boxes
Exterior caulk 10 oz tube 3 tubes
Exterior primer + paint 1 gal each 1 + 1
Hinges 13 (5 openable parts, buy in pairs)
Two-action latches 6

Nominal vs actual: the list uses nominal sizes (2×4), the drawings use finished sizes (1-1/2" × 3-1/2"). Check your own stock before cutting.

Floor Framing

13 joists at 16" on centre running the short direction, rim doubled on all four sides, 90" clear span — comfortably inside the published span tables, so no intermediate support is needed. True 16" spacing means plywood seams land on framing.

8x16 Walk-In Shed Coop with Feed Room + 8x20 Run floor framing layout

The 19 Assembly Steps

Every step, with the cut list it needs. The summaries here are the short version — the complete 42-page book carries the full written instruction for each one, plus the stop-and-measure checkpoints.

Every cut length below is computed from the same geometry that draws the PDF, so the numbers on this page and the numbers in the plan set cannot disagree.

1

Posts

Four 4x4 posts cut to 98-3/4" carry the structure from grade to the top plate.

Part Qty Length Stock Note
Post A 4 98-3/4" 4x4
2

Base supports

The base ring ties the four posts into a rigid square at grade. Use the 4-inch screws here — this joint carries the racking load for the life of the coop.

Part Qty Length Stock Note
Base support A (front/back) 2 89" 4x4
Base support B (sides) 2 185" 4x4
Base blocking 8 20-1/2" 2x4
3

Floor joists

Joists sit 12" above grade on 16" centres, running the short direction across 90" in 2x6, with the rim doubled on all four sides.

Part Qty Length Stock Note
Rim joist (long sides) 4 192" 2x6 doubled
Floor joist 13 90" 2x6 16" OC, last bay short
4

Floor deck

Deck the floor in 3/4" plywood, notched 3-1/2" square at each corner so it drops cleanly around the posts.

Part Qty Length Stock Note
Floor panel 1 96" x 192" 3/4" plywood notch corners
5

Wall framing — the method

Every wall is framed FLAT ON THE DECK and then stood up. That is the whole trick: you are working on a level surface, gravity holds the parts where you put them, and you can push the frame square before a single screw goes in.

5a

Front wall (low eave)

The low side. It carries the door and most of the glazing.

Part Qty Length Stock Note
A Bottom plate 1 185" 2x4 sits flat on the deck — cut out at the doors AFTER standing
B Top plate 1 185" 2x4 first plate over the studs
C Cap plate (upper top plate) 1 182" 2x4 laps the corner — long walls SHORT both ends, end walls LONG both ends
D Common stud 6 76" 2x4 16in OC, crown out
E King stud (full height, beside the opening) 6 76" 2x4 full height, outside the jack
F Jack stud (carries the header) 2 72-1/2" 2x4 carries the header, sits ON the bottom plate
G Jack stud (carries the header) 4 52-1/2" 2x4 carries the header, sits ON the bottom plate
H Header 2 37" 2x4 two pieces + a 1/2in plywood spacer = 3-1/2in thick, flush both faces
I Header 4 21" 2x4 two pieces + a 1/2in plywood spacer = 3-1/2in thick, flush both faces
J Rough sill 2 21" 2x4 rough sill under the window
K Cripple under the sill 6 28" 2x4 between bottom plate and rough sill
L Cripple over the header 6 20" 2x4 between header and top plate
5b

Back wall (high eave)

The HIGH side — its studs are longer than the front wall's by the full rise of the roof.

Part Qty Length Stock Note
A Bottom plate 1 185" 2x4 sits flat on the deck — cut out at the doors AFTER standing
B Top plate 1 185" 2x4 first plate over the studs
C Cap plate (upper top plate) 1 182" 2x4 laps the corner — long walls SHORT both ends, end walls LONG both ends
D Common stud 6 98-1/4" 2x4 16in OC, crown out
E King stud (full height, beside the opening) 2 98-1/4" 2x4 full height, outside the jack
F Jack stud (carries the header) 2 27-1/2" 2x4 carries the header, sits ON the bottom plate
G Header 2 107" 2x12 two pieces + a 1/2in plywood spacer = 3-1/2in thick, flush both faces
H Rough sill 1 107" 2x4 rough sill under the window
I Cripple under the sill 8 13" 2x4 between bottom plate and rough sill
J Cripple over the header 8 59-1/2" 2x4 between header and top plate
5c

Left end wall (run end)

The run attaches to this wall and the pop door passes through it. Seen from outside, the roof runs DOWNHILL left to right.

Part Qty Length Stock Note
A Bottom plate 1 89" 2x4 sits flat on the deck — cut out at the doors AFTER standing
B Top plate 1 89" 2x4 first plate over the studs
C Cap plate (upper top plate) 1 92" 2x4 laps the corner — long walls SHORT both ends, end walls LONG both ends
D Common stud 6 76" 2x4 16in OC, crown out
E King stud (full height, beside the opening) 2 76" 2x4 full height, outside the jack
F Jack stud (carries the header) 2 16-1/2" 2x4 carries the header, sits ON the bottom plate
G Header 2 15" 2x4 two pieces + a 1/2in plywood spacer = 3-1/2in thick, flush both faces
H Rough sill 1 15" 2x4 rough sill under the window
I Cripple over the header 2 56" 2x4 between header and top plate
J Rake plate (sloped) 1 91-3/4" 2x4 top bevel 14 deg (3:12)
K Rake stud (sloped top wall) 1 22-1/16" 2x4 top bevel 14 deg (3:12)
L Rake stud (sloped top wall) 1 18-1/16" 2x4 top bevel 14 deg (3:12)
M Rake stud (sloped top wall) 1 14-1/16" 2x4 top bevel 14 deg (3:12)
N Rake stud (sloped top wall) 1 10-1/16" 2x4 top bevel 14 deg (3:12)
O Rake stud (sloped top wall) 1 6-1/16" 2x4 top bevel 14 deg (3:12)
5d

Right end wall (feed room)

Outside door into the feed room, plus a window. This wall MIRRORS the left end: seen from outside, the roof runs UPHILL left to right.

Part Qty Length Stock Note
A Bottom plate 1 89" 2x4 sits flat on the deck — cut out at the doors AFTER standing
B Top plate 1 89" 2x4 first plate over the studs
C Cap plate (upper top plate) 1 92" 2x4 laps the corner — long walls SHORT both ends, end walls LONG both ends
D Common stud 4 76" 2x4 16in OC, crown out
E King stud (full height, beside the opening) 4 76" 2x4 full height, outside the jack
F Jack stud (carries the header) 2 72-1/2" 2x4 carries the header, sits ON the bottom plate
G Jack stud (carries the header) 2 52-1/2" 2x4 carries the header, sits ON the bottom plate
H Header 2 33" 2x4 two pieces + a 1/2in plywood spacer = 3-1/2in thick, flush both faces
I Header 2 21" 2x4 two pieces + a 1/2in plywood spacer = 3-1/2in thick, flush both faces
J Rough sill 1 21" 2x4 rough sill under the window
K Cripple under the sill 3 28" 2x4 between bottom plate and rough sill
L Cripple over the header 3 20" 2x4 between header and top plate
M Rake plate (sloped) 1 91-3/4" 2x4 top bevel 14 deg (3:12)
N Rake stud (sloped top wall) 1 22-1/16" 2x4 top bevel 14 deg (3:12)
O Rake stud (sloped top wall) 1 20-3/16" 2x4 top bevel 14 deg (3:12)
P Rake stud (sloped top wall) 1 16-3/16" 2x4 top bevel 14 deg (3:12)
Q Rake stud (sloped top wall) 1 12-3/16" 2x4 top bevel 14 deg (3:12)
R Rake stud (sloped top wall) 1 8-3/16" 2x4 top bevel 14 deg (3:12)
S Rake stud (sloped top wall) 1 4-3/16" 2x4 top bevel 14 deg (3:12)
6

Shed rafters

A single-slope shed roof at 3:12 — 24" of fall across the 96" width, which is the minimum pitch exposed-fastener corrugated metal will shed reliably.

Part Qty Length Stock Note
Shed rafter 9 110-15/16" 2x6 birdsmouth both ends, 12" tail
Rafter blocking 16 22-1/2" 2x6 between rafters — a row at the LOW wall and a row at the HIGH wall
7

Roof deck and metal

3/4" plywood over the rafters, then corrugated metal sheets. Metal over shingles because it sheds snow, lasts decades and never needs a tear-off.

Part Qty Length Stock Note
Roof deck panel 6 4' x 8' sheet 3/4" plywood lay the 8-ft dimension UP the slope; seams land on a rafter
Metal roof panel 9 10 ft x 26" corrugated steel 26in wide, 24in coverage; one piece eave to ridge, no lap partway up
8a

Siding

Lap siding in 9-foot courses, starting from a level chalk line at the bottom and working up.

Part Qty Length Stock Note
Lap siding board 135 9 ft 9 ft lap siding 5in wide, ~1in lap
8b

Doors, hatches and lids

Every opening you framed in step 5 now gets something to close it. Cut each slab a quarter inch smaller than its rough opening on all four sides — 3/4in plywood swells in the wet and a door cut to the exact opening size will bind by November.

Part Qty Length Stock Note
Walk-in door slab 1 33-1/2" x 73-1/2" 3/4" plywood 3 hinges, opens out
Walk-in door batten rail 2 32" 1x4 top and bottom, 1in in from each edge
Walk-in door batten diagonal 1 70-15/16" 1x4 BOTTOM HINGE corner up to TOP LATCH corner; mitre both ends to suit
Pop door slab 1 11-1/2" x 13-1/2" 3/4" plywood 2 hinges, opens out
Feed-room door slab 1 29-1/2" x 73-1/2" 3/4" plywood 3 hinges, opens out
Feed-room door batten rail 2 28" 1x4 top and bottom, 1in in from each edge
Feed-room door batten diagonal 1 69-3/8" 1x4 BOTTOM HINGE corner up to TOP LATCH corner; mitre both ends to suit
9

Nest bank

An exterior nest bank 104" long and 17 inches deep, hung off the side wall with a hinged lid.

Part Qty Length Stock Note
Nest bank floor 1 104" x 17" 3/4" plywood
Nest bank back 1 104" x 14" 3/4" plywood screws to the wall studs
Nest bank front 1 104" x 10" 3/4" plywood leaves a 4in lip so eggs stay in
Nest bank end 2 17" x 14" 3/4" plywood closes each end of the bank
Nest divider 6 17" x 14" 3/4" plywood
Nest lid 1 104" x 18" 3/4" plywood hinged
Nest bank frame 4 104" 2x4
10

Pop door and ramp

The pop-door slab was already cut in step 8b to fit the opening you framed in step 5c — do not cut another one.

Part Qty Length Stock Note
Ramp 1 43-1/16" x 10" 3/4" plywood trim to your measured drop
Ramp cleat 10 10" 1x2 every 4in, so a hen has grip
11

Run frame

The 8 ft x 20 ft screened run frames off the coop wall, 96" tall.

Part Qty Length Stock Note
Run post 12 96" 4x4
Run top rail 2 240" 2x4
Run mid rail 2 240" 2x4
Run end rail 3 89" 2x4
Run purlin 6 89" 2x4 across the top at every post — the mesh roof needs something to span to
Run brace 4 33" 2x4 45 deg corner braces, 33in on the long points
Run door stile 2 74" 2x4
Run door rail 3 26" 2x4 finished door 33" wide
12

Hardware cloth

The step that decides whether you still have a flock in two years. Quarter-inch hardware cloth over every opening, screwed through fender washers rather than only stapled.

Part Qty Length Stock Note
Run walls 1 128 lin ft 1/4" hardware cloth
Run roof 1 54 lin ft 1/4" hardware cloth
Buried apron, 12in down and 12in out 1 38 lin ft 1/4" hardware cloth
Window screens 1 5 lin ft 1/4" hardware cloth
Continuous eave vent strip 1 5 lin ft 1/4" hardware cloth
Nest opening and pop-door surround 1 6 lin ft 1/4" hardware cloth
Under-floor skirt 1 16 lin ft 1/4" hardware cloth
13

Feed room partition

A full-height stud wall 48" in from the end wall, closing off a 96" x 48" feed and storage room.

Part Qty Length Stock Note
Partition plate 2 89" 2x4 top and bottom
Partition stud 7 76" 2x4 16" OC
Partition sheathing 2 4' x 8' sheet 1/2" plywood two sheets, cut to 89" wide
Partition rake plate 1 91-3/4" 2x4 the partition follows the roof slope
14

Roosts and droppings board

26 birds NEED 260 inches of perch at 10 inches each. Why 10 and not the 6 you have read everywhere.

Part Qty Length Stock Note
Roost bar 4 73" 2x4 MOUNT ON EDGE — 1-1/2in face up, top corners eased round
Roost support 8 14" 2x4 wall cleats
Roost bar leg 4 16-1/2" 2x4 1 per bar at 36-1/2" — a 73" bar is not held up by its ends alone
Droppings board 1 75" x 24" 3/4" plywood removable, sealed or lined
Droppings board rail 2 75" 2x2 slides out on these

Frequently Asked Questions

Are these 8x16 chicken coop plans really free?

The 6-page preview PDF is a free download with no email required, and everything published on this page stays free — every dimension, the spec table, the complete material list and all 19 assembly steps with their cut tables. The complete 42-page plan book — every wall on its own sheet with its own cut table, a board-by-board cut plan and a material buy list — is $4.99 in our Etsy shop.

How many chickens fit in the 8x16 chicken coop?

19-26 hens. At 79 sq ft of floor, 19 birds get about 4 sq ft each, with 160 sq ft of screened run on top of that. The top of the range (26) assumes the birds spend their days outside rather than shut in.

What's in the full 42-page plan book?

Everything on this page — dimensioned plan and elevation drawings, the complete bill of materials (36 line items) and all 19 assembly steps with per-step cut tables — plus what a web page can't carry: the full written instruction for every step rather than the summary shown here, every wall framed on its own sheet, a board-by-board cut plan, a buy list you can hand to the lumber yard, and stop-and-measure checkpoints at each stage. The free 6-page preview PDF shows the design overview and main dimensions. On-page specs are computed from the same geometry that draws the PDFs, so the numbers can never disagree.

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Complete 42-page book: Full plans on Etsy.

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