The study clarifies the housefront appearance types of single family houses in residential district of Tokyo area. First, the design pattern by exterior categorized in “garden” “parking” and “building”. The design pattern by roof form is categorized in “gable” “eave””square” and “terrace”. Second, housefront appearance types are found by the relationship between design pattern of exterior and roof form. Third, the characters of the housefront of surrounding houses are defined by group of housefront appearance types. At last, the Architectural languages for housefront appearance are clarified by “the refection of surrouding houses” ”the garden for surrouding houses” “the subdivision of the housefront appearance”.