I had to take down my old post.
I got a few messages since then how it is now that it's "done".
I am not completly done, in winter I will install the backwall of the kitchen about 30-35 cm high against the wall with the same material my kitchen counter is. Or I will use tiles to spice it up, but haven't decided what colors would fit or if I will just stick with the kitchen counter as background.
I know it will get dirty, especially with the coffee machine near the wall but thats a winter project for me.
So here is the endresult with the open wood ceiling.
Edit:
Oh and one shelf on top is missing that will be installed in 5 weeks though, will just fix the symmetry
Maybe will do one day, but I matched the color of the faucet, handles etc. anthracite because I have a visible steel beam in front of the kitchen in anthracite that matches well