ESH occupies a historical building built in 1884-85 in the heart of Helsinki. Its first occupant was a Swedish-speaking school for girls, later it belonged to the University of Helsinki. The renovation of the building was conducted under surveillance of Museum authorities and was completed in December 2009. The building now houses up-to-date learning facilities in an aesthetically pleasing and prestigious environment.
The school building consists of five floors and 45 classrooms. There are two ICT-class rooms, three science laboratories, a language laboratory, a music class room and an art class room. Most classrooms are equipped with interactive whiteboards. There is also
a canteen, a library, a gym and an assembly hall.