The new mass complements the old houses and closes the unfinished block called Jeřábkovo náměstí. We take care of the house in places where there is still something to save. Valuable vaults and cellar spaces are part of the functional layout of the library. Facades that became victims of insensitive interventions are not returned to their original state. The facade is unified by rough, textured plaster, contrasting with the exact modern extension. The valuable historic façade of No. 158/2 is part of the future administrative block of the library. The building makes use of the existing basement space and integrates it into the program. In the new extension, we are building new spaces for the building's technical equipment.