Think BIG
Gammel Hellerup High School

Sometimes the most groundbreaking sports facilities are not created through size or spectacular technology, but through a radical reinterpretation of the location. The extension to Gammel Hellerup High School north of Copenhagen is just such a project: a sports hall that disappears and thus becomes the focal point.
Just another part of me
The starting point was a deficit: the old sports hall next to the campus was functionally and structurally outdated. It lacked a central, multifunctional space, both for sports lessons and for graduation ceremonies or community events. BIG formulated the answer to this with a concept that is as simple as it is ingenious: the new hall is not placed next to the school – it becomes part of it.
The new multi-purpose hall at Gammel Hellerup High School, measuring around 1,100 m², was dug five meters deep into the schoolyard. This step is the key to the legendary character of the project. Not only does the sports hall visually contradict our classic understanding of a building, it also creates a completely new level of use on its roof.
Form follows formula
The roof of the hall is not a roof in the classic sense, but a topographically modeled schoolyard. Its gently curved shape was inspired by the trajectory of a handball and creates a landscape that invites people to sit, lie down, play and observe. Integrated benches at the edges turn the area into a social meeting point. Small, deliberately placed openings allow daylight into the hall and create surprising visual connections between inside and outside.
This is where the real innovation can be seen: the sports area and recreation room no longer compete for space, they overlap. The hall becomes the invisible infrastructure of a lively schoolyard. “Form follows formula” is what architect Bjarke Ingels calls this principle – an architectural translation of movement into space.
Space and transition
But the project does not end with the hall. In a second construction phase, a two-storey art and education building was built between the sunken sports hall and the adjacent soccer pitches. Its task is as functional as it is urban: it links the sports areas with the existing school areas to form a continuous spatial structure.
Parts of this new building are also underground, a logical continuation of the idea of using space in multiple ways. Pupils now move through the lowered sports hall in the center of the campus, from where they can reach classrooms, the cafeteria and the main entrance. Paths become experiences, spaces become transitions.
Green carpet
At the same time, an extension of the soccer pitches was created on the roof of the new parts of the building, a “green carpet” that not only offers additional exercise areas, but also informal recreational areas with a view of the sporting events. Sport, learning and social interaction merge into a single spatial unit.
This connection is also visible in the construction: while the sports hall is designed as a sandwich made of wood, concrete and wood again, this principle is reversed in the new building. Here, wooden walls span between concrete ceilings and floors. This deliberate reversal of materials creates a coherent identity that connects the two building sections.
Sunk
The new sports facilities at Gammel Hellerup High School are more than just an extension, they are exemplary for contemporary school and sports facility construction: space-saving, energy-efficient, socially activating and (not only) architecturally bold. This project shows how a functional requirement can be turned into a spatial experience – and why the best sports halls are sometimes where you don’t immediately see them.
Project data
(Links are underlined)
Planner
BIG
Building owner
Gammel Hellerup High School
Opening
2015/2017
Address
Gammel Hellerup High School
Svanemøllevej 87
2900 Hellerup
Denmark
Photos
José Campos
Text
Johannes Bühlbecker
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