It's certainly got the look of something called the Royal Colonial Institute, lion, unicorn and all.
The institute is now called the "Royal Commonwealth Society", which presumably makes the Colonies feel a bit better.
From wander: Northern Clifton (16 Jan 2021)
Taken: Sat 16 January 2021 16:44
GPS Coordinates: 51.458548093333, -2.6090496866667