Abstract
Gated housing project (GHP) in vicinity area of Bangkok is continuously expanding without well-urban planning. This situation leads to environmental and social problems on living conditions of residents in area. These problems can possibly disturb overall urban development plan in the future. This research aims to assess social relationship of inhabitants who live inside and outside GHP in order to illustrate its impact. Through field survey and social questionnaires in five types of existing community including GHP and Non-GHP within in study area conducted results of research. This study revealed obviously different social relationship between inside and outside residents that affirmed conflict and influence of GHP. Therefore, it is necessary for GHP to be addressed their physical design and concerned cautious regulation to reduce impacts on surrounding communities.
