Single-pen architecture and double-pen architecture are
architectural style
An architectural style is a classification of buildings (and nonbuilding structures) based on a set of characteristics and features, including overall appearance, arrangement of the components, method of construction, building materials used, for ...
s for design of log, and sometimes stone or brick pioneer houses found in the United States. A single pen is just one unit: a rectangle of four walls of a log cabin. In double pen architecture, two log pens are built and those are joined by a roof over a breezeway in between.
A saddlebag house is a subset of double-pen architecture with two rooms, a central chimney, and one or two front doors.
See also
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Dog trot architecture
The dogtrot, also known as a breezeway house, dog-run, or possum-trot, is a style of house that was common throughout the Southeastern United States during the 19th and early 20th centuries. Some theories place its origins in the southern Appala ...
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Central-passage house
The central-passage house, also known variously as central hall plan house, center-hall house, hall-passage-parlor house, Williamsburg cottage, and Tidewater-type cottage, was a vernacular, or folk form, house type from the colonial period onwar ...
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Slave pen
Slave markets and slave jails in the United States were places used for the slave trade in the United States from the founding in 1776 until the total abolition of slavery in 1865. ''Slave pens'', also known as slave jails, were used to temporar ...
References
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Architectural styles
Log buildings and structures in the United States