Google expands London property empire with $1 billion office purchase

Google has bought a colorful office space in London for $1 billion while it waits for building work on its heavily-delayed U.K. headquarters to be completed.

The internet giant announced Friday that it has acquired all of the Central St. Giles building, where it already occupies a number of floors, in London’s West End.

“Our investment in this striking Renzo Piano-designed development represents our…