New office block planned for Bankside area

A new riverside office block is being planned to replace, what I suspect many passers-by would have assumed is a block of flats, but is actually a 1980s office block.
The development, Red Lion Court would see the existing building replaced with a conventionally modern cubed office with glass walls and roof terraces, and brick finish on the outside.
Existing site (c) Landsec / BIG
Proposed development next to the already approved former-FT building (c) Landsec / BIG
To win over the planners, they