This is a funky and quaint little spot in a great neighborhood of Berlin, close to good bars, restaurants, and public transportation. It's a bit hard to understand from the ad, but the living/bedroom loft is a private space, and the bathroom and kitchen are shared with their shop which is open during the day time. This means some minimal foot traffic during the day, and that you have the place to yourself in the evenings. Jascha was a great host, giving us suggestions for good food and drink around the neighborhood.
My only note is that the loft stairs are SUPER creaky, so if you need to get down to use the restroom in the night and don't want to wake up your partner, good luck. :)