Tallest, biggest, blandest? Future City skyscraper renamed to ‘One London’

What will eventually become the City of London’s tallest building has changed its name and, in doing so, doubtless caused perpetual headscratching about its address.
1 Undershaft in the city cluster (c) Dbox
What was to be called 1 Understaft, for the simple reason that is its address, is now to be known as One London – because that’s the sort of branding that marketing people think is a good idea.
It also means that the address will be more complicated as One London, 1 Undersh