unbuilt
An unrealized structure design for which construction is no longer expected or was never reasonably expected.
Any unrealized building design is classified as unbuilt, whether it was intended to be realized or not. In order to be covered even unbuilt structures must have minimum design specifications (including physical outline and exact location).
Many structures assume this status after their plans are canceled. Others (such as visions) are classified as unbuilt from the moment their designs are released.
An active planned project has a reasonable likelihood of construction. The unbuilt cases instead include an abandoned serious proposal and a design released without that expectation.
More specific definitions
4 sub-definitions-
canceled
A design's planning was stopped, and construction is no longer expected to occur. -
competition entry
An architectural design submitted to a competition and left unbuilt because it was not selected for development. -
fictional
Derived from a movie, television show, story book, comic book, or other fictional medium. -
vision
A mature conceptual structure design released without a reasonable expectation of being built at its specified location.
Related definitions
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demolished
A structure in or beyond its final destruction or disassembly, excluding relocation and the stated standing-ruin exception. -
existing
A structure in its existence phase after construction, including renovation or a partly destroyed form left standing. -
planned
An active structure proposal with a reasonable likelihood of future construction, before the first foundation element is installed. -
under construction
A built object being constructed, receiving an addition, or paused during construction before completion.