The other place with maps is a room in East Germany where an in camera tribunal is being held:
The mapping of the film's London locations poses certain problems. A sequence in which Leamas is trying to ensure he is not followed shows him in different parts of London: Fleet Street, South Kensington Station, Gloucester Road, and then his destination, the residential street we see here (as yet unidentified):
He points to the location on the map, but his fingers are the wrong side of the river entirely: