Wall dormer
A wall dormer is a dormer
A dormer is a structural element of a building that protrudes from the plane of a sloping roof surface. Dormers are used, either in original construction or as later additions, to create usable space in the roof of a building by adding headroom and usually also by enabling addition of windows.Often...

 whose facial plane is integral with the facial plane of the wall that it is built into, breaking the line of the eaves
The eaves of a roof are its lower edges. They usually project beyond the walls of the building to carry rain water away.-Etymology:"Eaves" is derived from Old English and is both the singular and plural form of the word.- Function :...

] of a building.

Wall dormers are less commonly seen than typical “roof dormers”. They locate the window flush with the wall plane above or through the cornice line. They are essentially a continuation of the wall above the roof eaves. They are thus more of a vertically projecting wall element than an elaboration of the roof. Unlike roof dormers, wall dormers tend to feature highly ornamental window surrounds. Also in contrast to roof dormers, they generally offer little or no increase in floor space or head room.

Occasionally, small early buildings are found to have wall dormers. More commonly, later structures (during the period of revival styles
Revivalism (architecture)
Revivalism in architecture is the use of visual styles that consciously echo the style of a previous architectural era.There were a number of architectural revivalist movements in the United States in the 19th and early 20th centuries....

 in 19th-century architecture) feature wall dormers as an important part of eclectic assemblies of elements that make up such styles as the Queen Anne style
Queen Anne Style architecture
The Queen Anne Style in Britain means either the English Baroque architectural style roughly of the reign of Queen Anne , or a revived form that was popular in the last quarter of the 19th century and the early decades of the 20th century...

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