Need a new coop design…chicken math killed my prefab coop!!

LtDanFan

Chirping
Apr 16, 2025
91
61
63
Racine, Wisconsin
So for valentines day this year (yep, as in like a few short months ago…chicken math is real, yall), my wonderfully indulgent BF bought me a chicken coop. I think it said something like “ok for 2-4 chickens” (ie challenge accepted, haha and i bought one on sale for another “4-6” chickens). Once i had chickens, i realized that some of my chickens needed other chicken friends than the ones i offered (i believe in choice!!) and then i adopted a ‘crippled hen’ because she didn’t fit in to her original flock (ie no concessions were made for providing roosts that a hen with no toes and a stub leg can access so she had to sleep on the floor alone) and have since gained a “few” others. And of course, i didn’t pay attention to the actual number because the only math I've ever been good at is medical math so, whatever. Apparently the 4 hens, and 5 +5 pullets and now 2 cockrels old enough to live outside full time (finally) all desire to wedge themselves into the smallest (and most flimsy coop) i have so i need a better option. Prob the jumbo pekin duck that lived with them for over a month plus a couple of weeks until the duck flock was old enough didn’t help the floor or structural integrity lol.

Now we need a bigger coop. I am blessed with a very patient man that for some unknown reason appears to love me enough to make my dreams appear for me and as an added bonus he is super handy so able to make amazing things with his hands and a few power tools.
Here is a list of my needs:
Easy to clean
Easy to collect eggs- ideally from outside
Able to house 15-20 hens as a single building
Has to be weather resistant… we live in wisconsin and sometimes it gets reallllyyyy freeking cold for an obscene amount of time but i do not want to drag electricity all the way out to the coop as this would mean likely adding a meter to the property and running it directly off the electric pole which can be rather costly.

Wants:
although i don’t plan on adding youngins to my flock yearly, i wouldn’t mind if there was an easy way to do so when i need to every few years like to give them a place once weather improves. Maybe somewhere they and not older bigger birds could access and hide to help their integration into the larger flock. Or house a trouble maker or two, or separate one needing special medical attention.

Open concept as in they have a secure yard to forage in so the coop itself does not to be fully enclosed by a run if that makes sense, it can be a freestanding structure within the yard.

Am i being completely unrealistic?
 

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I would suggest getting a shed. Yes, expensive. But double or triple the hours expected to build it, and double the price for all the hardware and unexpected stuff unless you have a bunch of stuff already. Plus sheds seem to be better against predators though you still need to shore them up. And if it's hot where you are, building that will take twice as long.


Save yourself the headache and just go with a shed. Unless you can find some good coop deals online.
 
I suggest a Woods style coop of 8' x 12', will accommodate up to 24 birds. It is a walk in style, easy to construct, "fresh air" (front is open year round).

This provides details of the build for the "KD" coop plus tips and guidance for new chicken owners.

http://gnipsel.com/files/chickens/mfaph.pdf

Good luck!
I will pass this link on thank you!!! He is definitaly a DIY GUY. He would rather build it himself than buy prefab. Thank you!!
 
Start with a shed like @SnackMeat suggested, or if you have the time, a DIY build. Take a look at the large coops on here; we got a lot of inspiration from them. Remember, ventilation is your friend! Even in colder months.
Thank you i want to incorporate ventilation, hence the ask. I suggested sheds and he nearly drove off the road lol. Even though it comes out of “my” budget, he is very mindful of all pennies and dimes spent. He will gladly give his time to save me a dime 🙄
He would love to DIY for sure.
 
I will pass this link on thank you!!! He is definitaly a DIY GUY. He would rather build it himself than buy prefab. Thank you!!
The link actually downloads a 120+ page document that you can save; print out Chapter III and he will have the details needed to construct. The coop can be scaled from a 6' x 10', to an 8' by 12' to a 10'x 16'.

He can also reference my article and my build thread for more detail. Other build threads are here that use conventional building techniques.

I built my coop from rough cut lumber using the method described in the book. It is a much simpler and less expensive approach than modern framing then attaching exterior siding.

The Woods style has been used by numerous folks on BYC. It is a proven design that works well especially in very cold climates (my winters average -15C/5F with colder periods into -30C/-22F and below).
 
I vote for a shed 10 x 12 min.

1. A door big enough to get a wheel barrow in when you clean it.

2. Vent it along the roof line.

3. Roosts can be added as needed. Nest boxes can go along 1 (or more sides).

5. Hang food and water inside (I'm in Montana, I get winter).

6. Run an electrical conduit to it so you can keep the water thawed during the winter.

7. Room for a brooder area can be built inside.

8. Possible to wall off one area to store feed in the area.

9. Multiple hatches for bird exits can be installed.

10. At least 1 window can also be installed.

11. Most of the modification can be done in sections as needed.
 

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