The bachelors thesis concerns the design of a wooden structure in a low energy standard. The object is constructed in a manner which allows further expansions at any point. Two variations are processed, a ground plan and a completion of the attic. The object is built on a lot in the village of Červené Pečky. The thesis is divided into two parts a text part and a design documentation. In the text part are described various types of wooden structural systems, along with a diffusely open or closed system, building design solutions, structural assessment in term of thermal protection and heating. The design documentation includes groundwork, ground plans, the roof, various views of the structure and a layer construction plan