**History of Dormers:**
– Derived from Middle French word ‘dormeor’
– Used for ventilation in English Gothic churches
– Popularized by architect François Mansart
– Used in British domestic architecture since 16th century
– Widespread feature in pitched roof buildings today
**Types of Dormers:**
– Gable fronted dormer (most common)
– Hip roof dormer
– Flat roof dormer
– Shed dormer
– Wall dormer
**Regulations and Permissions for Dormer Construction:**
– Permission needed in some localities
– General Permitted Development Order in England and Wales
– Restrictions in conservation areas and national parks
– Regulations in Vancouver for setback of dormers
– Concerns about imbalance in street scenes
**Popularity and Usage of Dormers:**
– Popular in Ulster
– Commonly used to create extra space in lofts
**Related Concepts and References:**
– Bungalow
– Vernacular architecture
– Definition of dormer
– Illustrated Glossary – 19th Century Adrian Architecture
– Etymology of dormer
– Traditional Dormer Windows: Design Guide
– Dormer Types: Gabled
A dormer is a roofed structure, often containing a window, that projects vertically beyond the plane of a pitched roof. A dormer window (also called dormer) is a form of roof window.
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Dormers are commonly used to increase the usable space in a loft and to create window openings in a roof plane. A dormer is often one of the primary elements of a loft conversion. As a prominent element of many buildings, different types of dormer have evolved to complement different styles of architecture. When the structure appears on the spires of churches and cathedrals, it is usually referred to as a lucarne.
Definition from ChatGPT:
Dormer:
A dormer is a structural element of a building that projects from a sloping roof, usually containing a window. Dormers are commonly used to create additional space and light in an attic or upper floor of a building.