Maida Vale won a National Railway Heritage award in 2010 as an example of the right way to modernise a historic building.
The station dates back to 1915, but was looking distinctly rough around the roundels before London Underground gave it a subtle but effective facelift. Centrepiece of the building, both then and now, are the twin mosaics on the walls of the entrance staircase:
Maida Vale is tiny. It’s squashed into a street corner and tries to make the most of its slightly oppressive architecture. Thankfully, the mosaics lift the atmosphere and also your sense of perspective. Without them the station would be a much gloomier and less roomier affair.
Their absence would also have left a rather acute aesthetic hole in this scene from Alfred Hitchcock’s 1927 film Downhill: