Can the Omlet coops and runs be easily assembled and installed, or do they require professional installation?

All of our Eglu Chicken coops come flat packed and include a detailed instruction manual. The assembly is very straight-forward. Should you get stuck, you can have a look at our handy "How to Build" videos:

https://www.omlet.co.uk/misc/how_to_build_videos_homepage/
We would recommend two people to build the chicken coops to make the assembly quicker and safer.