Hi I'm planning on getting a few chickens, approx 4-5 (5 max) and i'm looking into building a cheap chicken coop. We have a lot of wood at the back of my house - old bed slats - a LOT of them, maybe 50 or so. to build this as cheap as possible i'm planning on using either an old bed frame, or desk as a base for the coop (free ones that people are advertising). the chickens will have an enclosed area for when they aren't supervised (we have an area approx 5x5 meters fenced off) and full run of the yard when i'm home (its a massive area but i would have to keep chickens and dogs supervised for safety - i hear chickens can be nasty) So my question is, how big should a coop be for about 5 chickens? i know they are happy to sleep shoulder to shoulder. i just want an approx measurement for a sleeping area, i will add a nesting box and food/water spot/door etc onto that. this is just so i can get a decent sized desk or bed frame to convert. Any extra info is appreciated.