As with all lighting, it's important to consider the size and scale of the floor lamp in the setting it is required for. Generally, the larger or higher the space, the bigger and bolder your floor lamp can be. Tighter spaces look better with a smaller lamp inhabiting it.
Most standard sized floor lamps are around 160 cm tall without a shade so are ideal for most living rooms.
Smaller floor lamps are around 100cm tall without a shade, so are better for bedrooms, hallways or living rooms with low ceilings.