Partners Group is preparing to launch the sale of a £300 million ($402 million) office in London’s insurance district as demand for trophy real estate deals shows signs of returning. 
Zug-based Partners Group has appointed Jones Lang LaSalle Inc. and Eastdil Secured LLC to market 80 Fenchurch Street, people with knowledge of the process said. The building, which cost about £200 million to develop, is expected to attract bids of more than £300 million, the people said, asking not to be identified as the process is private. 
A representative for Partners Group declined to comment. 
London’s office market froze over ...