Bornemisza Business Supporting and Developing Center Complex Investment which supposed accomplishing an assembly developed around the interior courtyard and comprises: - rehabilitation and seismic retrofit of the A Building of Bornemisza House (historical monument LMI code MS-II-m-B-15547) - rehabilitation of the B Building dated 1969 - demolition of thr C Building which was highly degraded - replenishing the assembly by reconstructing the C Building with B+G+1L+attic towards the south boundary and B+G towards the north boundary, who's basement covers the whole interior courtyard between A and B Buildings and the property boundaries. Bulding A levels: B+G+1L+Attic Bulding B levels: SB+G+2L+Attic Bulding C levels: B+G+intermediate partial floor +1L+Attic, B+G intermediate partial floor