The subject of the project is the modernisation of a 16-storey apartment building on Anenská 689 street. As part of the construction, the existing perimeter and roof sheath will be insulated, including the replacement of windows and doors. The scope of the construction works is determined by the design documentation, which is documented as an annex to the grant application. The implementation of the project will save the total energy supplied at a minimum of 40 % and achieve the classification class of total delivered energy B.