The build was created by Microsoft Sweden's event manager, Daniel Steinholtz — and after finishing the map itself, he even took it upon himself to conduct a little virtual tour.
The office building, which is found in the Akalla district of Stockholm, won the "best-looking office award" in a nationwide competition last year. This happened almost exactly a year ago, so the Minecraft map could be seen as a kind of anniversary celebration.
Here are some photos of the actual office, courtesy of the competition's official website. Matching the photos to scenes in the video is pretty fun: