Its dimensions and the solutions adopted on the exterior of the building reveal the church?s differences with respect to the imposing buildings around it, such as the black Framatome tower.
The only element that dialogues with the exterior is the light filtering through the church?s big windows.
Hammoutene chose not to characterise the building with typical church architecture, but decided to stratify it on multiple levels.
This choice was dictated primarily by the need to avoid a strong contrast with the other buildings on La Defense.
The lower floors contain meeting spaces and green areas, while the church-square and the church itself are located on the upper levels.