A cap-house (sometimes written cap house or caphouse) is a small watch room, built at the top of a spiral staircase, often giving access to a parapet on the roof of a tower house or castle. They provided protection from the elements by enclosing the top of the stairway, and sometimes incorporated windows or gun loops. They were built in various forms, including square turrets, simple boxes, or small houses with gabled rooves, which were sometimes large enough to provide accommodation for a look-out.
Medieval and early-modern cap-housesEdit
Knock Castle, Aberdeenshire, showing the cap-house above the entrance
Plunton Castle, with a gabled cap-house at the top of the stair wing (shown on the right)
Rusco Tower, with a gabled cap-house on the right, giving access to a parapet around the main roof
Barholm Castle's large cap-house, on the left
Sauchie Tower's cap-house, on the left, is hexagonal
Balvaird Castle's cap-house, in the middle
Fatlips Castle's cap-house, on the left, was renovated in 2013
Carsluith Castle's gabled cap-house, on the right
Nineteenth-century Scottish Baronial cap-housesEdit
Friars Carse has a circular cap-house giving access to the roof of its tower
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