Architectural top vs honest height
Lotte World Tower is marketed at 555m. The highest floor a person can stand on - the highest occupied floor - is at 499m. The gap between those two numbers is 56.0m of structure that no occupant reaches.
That gap is the vanity height. As a percentage of architectural top, it is the Vanity Ratio: 10.1%.
In the Honest 100,Lotte World Tower ranks #6 by occupied height.
Observation decks
Seoul Sky
Floor 117 · Indoor
478m
Seoul Sky Open
Floor 123 · Outdoor
499m
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Vanity context
A Vanity Ratio of 10.1% places Lotte World Tower within the moderate range. The non-occupiable structure above the highest occupied floor is significant but not unusual for a building of this height.
Comparable buildings
In context
Sources and methodology
Height data sourced from Wikipedia (CC-BY-SA). Vanity Ratio calculated as (Architectural Top - Highest Occupied Floor) / Architectural Top. See the full methodology.
Per-field source notes
- architectural_top_m
- Wikipedia - 555m
- roof_height_m
- Wikipedia - 541m (roof structure)
- highest_occupied_floor_m
- Wikipedia - Seoul Sky floors 117-123; top open-air deck at 499m
- observation_decks
- Wikipedia - Seoul Sky observatory floors 117-123; Sky Bridge Tour at 541m is exterior only, not counted
- height_bands
- ASSUMPTION: simplified elliptical taper from base to point; actual curved form not modelled precisely