The One

10th tallest finished building in Brussels

The One is a mixed-use building in Brussels, with 22 floors, finished in 2019. It stands 105.2 m (345 ft) tall, which makes it the 10th tallest finished building in Brussels.

Height

105.2 m · 345 ft

Rank in Brussels

10th of 25 listed

Floors

22

Completed

2019

Use

Mixed-use

City

Brussels, Belgium

Next to it in the ranking

• 8th · North Galaxy, Tower 1107 m · 351 ft · 2004
• 9th · North Galaxy, Tower 2107 m · 351 ft · 2004
• 11th · World Trade Center, Tower 3105 m · 344 ft · 1983
• 12th · Proximus, Tower 2 (T)102 m · 335 ft · 1994

See all of Brussels's tallest buildings

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Heights, floors and years for finished buildings follow published figures, cross-checked with Wikipedia's list of tallest buildings in Brussels. Last checked 3 Nov 2026.