I’m not sure about this. I bought a cheap wooden prefab about 11, 12 years ago. It needed a new larger roof after 3-4 years . I made the coop bigger for more bantam chickens. I painted the wood with a preservative.
Making adjustments was quite easy. Wood is a good building material that is much more sustainable as new plastic.
The recycled plastic is a better choice as new plastic of course. But there are still two things that make me choose for wood over recycled plastic:
1 - recycled plastic coops probably will wear out quickly in the sun, rain , heat and freezing cold (outside climate ),
2 - I don’t like it if small plastic particles come into the environment. This will happen if the plastic gets older.
3 - the looks