Possibly getting some more attention now because of some scenes from Andor 2 that were shot there: https://www.reddit.com/r/london/comments/1kb8k4u/lloyds_of_l...
The really amazing architecture of Coruscant is from the City of Arts and Sciences in Valencia: https://en.wikipedia.org/wiki/City_of_Arts_and_Sciences In particular, the Museo de las Ciencias Príncipe Felipe. https://en.wikipedia.org/wiki/City_of_Arts_and_Sciences#/med...
In comparison, in the barbican I felt like I could sit there for hours and enjoy the architecture. It has so many interesting details and aesthetically pleasing corners.