Tracked on 1 list across 1 authority.
Rosewood's second London outpost in the former American Embassy by Eero Saarinen, with 144 suites and restaurant Serra.
Description via travelandleisure.com.
The Chancery Rosewood appears on 1 of the lists Mouga tracks, and written up on 1 more. Here's the full trail, dated and linked to each source.