The Bachelor´s thesis Energy efficient house with desing office is made as building documentation in agreenment whith standarts and legal norms and acts. House is desinged as two floored basement house with pitched roof and one floored cellarless, flat roofe part with workshop and garage. The construction is based on a concrete strip foundation. The building is made of ceramic block, the ceiling and flat roof is designed as monolithic construcion, pitched roof is made as wooden roof construction. House is projected as Low energy detached house