The BT Tower,

 

The BT Tower, a Once-Futuristic London Landmark, Will Become a Hotel

BT Tower
BT Tower in 2022
Wikimedia | © OpenStreetMap
Record height
Tallest in the United Kingdom from 1964 to 1980[I]
Preceded by	Millbank Tower
Surpassed by	Tower 42
General information
Type	Offices[1]
Location	London, W1T United Kingdom
Coordinates	51.5215°N 0.1389°W
Construction started	1961
Completed	1964[1]
Owner	British Telecommunications plc
Height
Antenna spire	620 feet (189 m)[2]
Roof	581 feet (177 m)
Technical details
Floor count	37
Lifts/elevators	2
Design and construction
Architect(s)	Eric Bedford
Main contractor	Peter Lind & Company