This is a great well written coop article. I'd like to see the bit about how many chickens it's designed for up top. The materials list and all the diagrams are great! And I enjoyed the time-lapse video of the construction, with the cheerful "you could do this!" music, and the wandering big blue ball.
I like the windows you added - wondering if those were built from scratch or premade. I paid to have a coop built for us, but I'm thinking it needs more windows and wondering how best to go about it.
The windbreak for snow looks useful for northern people.
I'm totally not a handyman type, and I think I made the best decision to pay coop builders - but this article almost makes me believe I could do it - and if I ever did my own, I'd want to work from an article like this.