one-and-one-half-story house

one-and-one-half-story house

A one-story house having a loft space between the ceiling of the first floor and the roof directly above; windows in the gable-end walls and/or dormers provide light and ventilation in this loft space, providing the additional half-story.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.