Tour T1
General information
Status	Completed
Type	Office
Location	La Défense (Courbevoie)
Coordinates	48°53′46″N 2°14′22″E / 48.89611°N 2.23944°E / 48.89611; 2.23944
Construction started	2005
Completed	2008
Opening	2008
Height
Antenna spire	185 m (607 ft)
Roof	169 m (554 ft)
Technical details
Floor count	37
Floor area	70,000 m2 (750,000 sq ft)[1]
Design and construction
Architect(s)	Valode & Pistre Architects

Tour T1 (also known as the Tour GDF Suez) is an office skyscraper in La Défense, the high-rise business district west of Paris, France.

Construction began in 2005 and the tower was completed and opened in 2008. The tower, 185 m (607 ft) tall, is the third-tallest skyscraper in La Défense after the Tour Total (190m) and Tour First (231m). Since 2010, the entirety of the building's office space has been rented by GDF Suez.

• Skyscraper
• La Défense
• List of tallest structures in Paris