Check out the articles section and go to the coops page. TONS of examples/ideas!
https://www.backyardchickens.com/articles/category/chicken-coops.12/
Honestly, I just took plans for an elevated coop and extended the walls. I had to make lots of tweaks and changes, but it worked.
I should have made a better foundation, though. I'm no good at construction, really, so if I were to do it again, I might put the whole coop on top of plastic pallets or mortared pavers.
https://www.backyardchickens.com/articles/category/chicken-coops.12/
Honestly, I just took plans for an elevated coop and extended the walls. I had to make lots of tweaks and changes, but it worked.
I should have made a better foundation, though. I'm no good at construction, really, so if I were to do it again, I might put the whole coop on top of plastic pallets or mortared pavers.