Here is our Chicken coop and run. The house is 3lx4wx3h. The run is 4x7. used redwood and pressure treated wood. Still a work in progress. HomeDepot has self tapping screws which don't split the wood and use Torx bits. I highly recommend them. I used natural branches for the roost and am working on building a feeder and chicken nipple water system.
What your see is about 2 weekends of work.