Coop types, and what each format actually gives you

Most coop advice treats the category as one product with different price tags. It is not. The five formats below have different failure modes, different lifespans, and - the part that matters most for sizing - they measure differently. A published footprint means one thing on a standalone plastic henhouse and something else entirely on a wooden kit whose footprint is two-thirds open run.

That distinction is why we compute every capacity figure from the maker's own published dimensions and record which measurement it came from. On our arithmetic, a whole-unit footprint is a deliberately generous upper bound. On a bare metal run it is not a coop measurement at all.

The five formats

Wooden coop with an attached run

This is the default listing and the format most people buy first. You get a raised henhouse, a ramp, one or more nest boxes and a wire run underneath or beside it, all in one purchase. The economics are genuinely good: the AECOJOY 84in measures 40.3 sq ft whole-unit and is one of a small number of coops whose claim and arithmetic agree, which is why it heads the ten-bird roundup.

Two problems recur across every brand in this format. The wire supplied is chicken wire or a light welded mesh, which stops chickens leaving and does nothing about a raccoon. And the timber is untreated fir, which absorbs droppings and moisture and starts to soften at the base within a few seasons. Both are fixable, and both cost money the listing price does not include. See hardware cloth against chicken wire for the first and wooden coops for the second.

Metal walk-in runs

A galvanized steel walk-in is the largest usable area per dollar in the category by a wide margin. The HERBAN measures 128.4 sq ft, which is more than double the biggest wooden kit here, and it will still be standing when every fir coop on this site has been replaced twice.

Mobile coops and tractors

A tractor moves the flock onto fresh ground every few days, which is the best thing you can do for pasture and for parasite pressure. The cost is floor area: every model here is between 13 and 21 sq ft whole-unit, because anything heavier stops being movable by one person. Three or four hens is the honest ceiling whatever the listing says, and mobile coops and tractors has the measured figures.

Standalone plastic henhouses

Double-walled polyethylene costs more than fir and is the only material here that does not rot, absorb, or give red mite anywhere to hide. It is also the only format where the published footprint is entirely enclosed floor, which makes the arithmetic honest by construction rather than by our correction. The Formex against the Aivituvin is the direct comparison.

Walk-in wooden coops

A wooden walk-in is the compromise: standing access for cleaning and egg collection, without the henhouse-shaped hole a bare metal run leaves you with. The TRYKERPET is the example at 47.4 sq ft against a claim of 10 to 12 birds - one of the closer claims in the category, and the arithmetic supports 11. Walk-in coops covers the format properly.

How to choose between them

1. Start from the flock, not the format. Work out your floor, run, roost and box numbers first.
2. If the answer is more than about 40 sq ft of coop floor, no wooden kit on the market does it in one purchase. Go metal walk-in with a henhouse inside, or plan on two coops.
3. If you want to move the birds around the yard, accept three or four hens and buy a tractor. Do not buy a heavy coop and hope.
4. If you intend to keep chickens for a decade, price plastic or galvanized steel against buying fir twice.
5. Whatever you choose, budget separately for half-inch hardware cloth. No coop in this category ships with mesh that stops a determined raccoon.

One pick per format

Three coops that represent their format at its best, with the full arithmetic for each.

Top pick · Ten hens, claim and arithmetic agreeing

AECOJOY 84" Large Chicken Coop

40.3 sq ft against a claim of ten. The numbers land exactly where the box says they do, which is rarer here than it should be.

What the numbers say

Published footprint40.3 sq ftHonest count10 hensMaker claims10

84in x 69in = 40.3 sq ft of whole-unit footprint, which includes the attached run and is therefore generous. At 4 sq ft per standard hen that is 10 birds, against a claim of 10.

Figures from AECOJOY published specifications (Amazon listing) · 84"L x 69"W x 60"H · Wood

84 x 69 inches is 40.3 sq ft, which is exactly ten standard hens at the published 4 sq ft figure. AECOJOY claims eight to ten.

The 69in depth is what makes it work. Most coops in this class buy their length cheaply and stay narrow, which produces a corridor rather than a floor.

It is a square-ish footprint rather than a long thin one, so the usable area is genuinely usable - birds distribute across it instead of queueing down it.

Good

• Claim and arithmetic agree at ten hens
• 69in depth gives a floor rather than a corridor
• Four nesting boxes suits the flock size it actually holds

Not so good

• No margin - ten is the ceiling, not a comfortable number
• Wood construction needs annual attention
• Heavy once assembled and awkward to reposition

Skip this if: you plan to grow past ten birds. It meets its claim exactly, which means it has no room for the two extra chicks you will inevitably bring home.

Check price on Amazon

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Pick 2 · A genuine walk-in enclosure

HERBAN Large Metal Walk-In Coop

128.4 sq ft, all-around hardware cloth, and no bird-count claim to correct. The most enclosure per dollar here.

What the numbers say

Published footprint128.4 sq ftHonest count32 hensMaker claimsno claim

157.2in x 117.6in = 128.4 sq ft of whole-unit footprint, which includes the attached run and is therefore generous. At 4 sq ft per standard hen that is 32 birds. The maker publishes no bird count of its own to compare against.

Figures from HERBAN published specifications (Amazon listing) · 157.2"L x 117.6"W x 76.8"H · Galvanized steel

128.4 sq ft is the largest ground area on this site by a wide margin - more than twice the next biggest.

HERBAN publishes no bird count, which is the correct choice for a run: capacity depends on the henhouse you put inside it, not on the enclosure.

All-around hardware cloth rather than chicken wire is the specification that matters. Chicken wire keeps chickens in; hardware cloth keeps raccoons out, and they are not the same job.

Good

• Hardware cloth all round, not chicken wire
• 76.8in height is a true walk-in
• No inflated bird claim - correctly sold as an enclosure

Not so good

• It is a run, not a coop - you still need a henhouse
• 13ft x 10ft needs serious yard space
• Assembly is a substantial job

Skip this if: you expected a coop. There is no insulated, enclosed house in it, and birds cannot roost in a run overnight safely in most climates.

Check price on Amazon

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Pick 3 · Four hens on the move

GUTINNEEN Mobile Coop on Wheels

18.7 sq ft against a claim of eight. Four hens, and the best depth of any tractor here.

What the numbers say

Published footprint18.7 sq ftHonest count4 hensMaker claims8

67.3in x 40in = 18.7 sq ft of whole-unit footprint, which includes the attached run and is therefore generous. At 4 sq ft per standard hen that is 4 birds, against a claim of 8.

Figures from GUTINNEEN published specifications (Amazon listing) · 67.3"L x 40"W x 49.75"H · Wood

18.7 sq ft supports four standard hens. The claim is six to eight.

At 40 inches this is by some margin the deepest mobile coop in the research pass, and it is why it holds four birds in only 67in of length while the 82in Aivituvin holds three.

Six nesting boxes for four hens is again more than the one-per-four guidance calls for.

Good

• 40in depth is the best of any tractor here
• More floor in less length than its wheeled rivals
• Weatherproof build with a proper roof

Not so good

• Eight is double the honest count
• Six nest boxes for four hens
• Heavier to move than the narrow tractors

Skip this if: you need to move it daily on your own. The extra depth that makes it good is also what makes it heavy.

Check price on Amazon

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