IT Tower, Office tower block on Avenue Louise, City of Brussels, Belgium
IT Tower is a modern office high-rise in south Brussels standing 102 meters tall across 25 floors. The building pairs a solid concrete service core housing elevators and utilities with a glass-enclosed office section designed for light-filled workspaces.
Architect Walter Bresseleers designed the tower between 1968 and 1971 for the International Telephone and Telegraph Corporation. The project exemplifies the period when modern office towers transformed the southern edge of Brussels.
The tower's name comes from the American ITT corporation, which commissioned it as its European offices; after ITT was dismantled, management passed to Alcatel and the building stood largely empty for years. The site was a plot the sculptor Guillaume De Groot had given to the City of Brussels in 1922 with his house, meant to become a museum of his works.
The entrance on Avenue Louise is reached by a few steps up from the street, about 1.5 metres above the roadway. Inside, a glass cube with a dry garden leads into a hall 7.70 metres high. The technical tower holds six lifts, one of them a service lift.
The structure is composed of two adjacent towers: a blind concrete service core and a glass office section, creating an asymmetrical profile when viewed from certain angles. This functional separation between utility zones and workspaces was a thoughtful design approach for its era.
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