Look at this article.
http://www.dagbladet.no/kultur/2005/10/07/445691.html
The building is a known bulding in Norway (I don't know what it's called in english) and now we are speculating in, is the man in the window, the dad of a soccer-trainer in Norway? The soccer-trainers name is : Ivar Morten Normark.
We guess the movie is taken around 1980, because it seems under restauration (on the outside).
JUST LOOK AT THE TWO PICTURES: The pic on top is from the movie, and the pic downunder is today.
Lost-Media