A Butterfly plan, also known as a Double Suntrap plan, is a type of architectural plan in which two or more wings of a house are constructed at an angle to the core, usually at approximately 45 degrees to the wall of the core building.[1] It was used primarily in late Victorian architecture and during the early Arts and Crafts movement.
- ^ "English Heritage Online thesaurus butterfly plan". Archived from the original on 2011-07-18. Retrieved 2010-04-21.