Torchwood Tower (Pete's World)
Torchwood Tower was a skyscraper in London which served as the headquarters of the Torchwood Institute in Pete's World. (TV: Doomsday) It was home to Torchwood One and was the workplace of Yvonne Hartman and Ianto Jones. (AUDIO: Poker Face)
The facility was found and seized by the People's Republic of Great Britain. While the people argued as to whether the Cybermen were or weren't living creatures, the Cybermen infiltrated Torchwood, and used the facility to transport their five million strong army to invade the Earth of the Doctor's World. The process of transporting so many Cybermen took them three years, at which point they arrived in the Doctor's World in 2007, while the Preachers, led by Pete Tyler followed them from Pete's World in 2010.
Through a dimensional transporter, the Tenth Doctor was introduced to the parallel Torchwood by Jake Simmonds, where he warned the Preachers of the damage the technology caused to the wall between worlds. As a result of the battle which saw the Cybermen defeated as the Doctor trapped their army in the Void, Rose and Jackie Tyler of the Doctor's World were left behind in the Torchwood of Pete's World as the breach between worlds was closed. (TV: Doomsday)