This book describe all architectural and structural design works of building in Rwanda by use of a residential house as case study. It is my Thesis presented to the Academic Department of The School of Science and Engineering In Partial Fulfillment of the Requirements for the Degree of Bachelor of Science in Architecture and Environmental Design from Atlantic International University and for that reason is not a document for to use in professional work only for a research and if you found some errors or want to add a comment please contact me following modifications in next edition. You have to contact at following address: Names: Nicholas MUGESERA Email: munichconstruction@gmail.com Tel: +250788480882