This paper focuses on the spatial study of a new type of habitat which appeared in the past decade in an agro
pastoral region of Algeria: the Eastern Hodna, a domestic habitat whose stylistic expressions are diverse and at
the same time opposed to the local rural references. The goal is to know whether, contrary to the variety of its
exogenous facades, this type of habitat is a homogeneous space scheme that could be identified as being
architecturally genotype. The approach used is the syntactic analysis of Hillier and Hanson (1984, 1996, and
1998). It offers the possibility to identify the structures of the socio-cultural expression and social logic embodied in
the spatial distribution of domestic forms