Designed by Miklós Ybl and opened in 1884, the Hungarian State Opera is one of Europe’s most distinguished historic opera houses. Situated within the UNESCO World Heritage setting of Andrássy Avenue, the building is a masterpiece of Hungarian Neo-Renaissance architecture, in which architectural composition, decorative arts and theatrical operation were conceived as an integrated whole.

The comprehensive renovation of the building, which has remained in continuous use for more than 140 years, aimed to preserve its historic character while bringing its technical systems, stage technology and audience facilities up to 21st-century standards. Designed by ZDA, the project was founded on a precise understanding of Ybl’s original architectural intentions and their continuation through contemporary means.

During the restoration, the auditorium, ceremonial reception rooms and principal circulation spaces regained their original colour schemes and richness of detail based on archival research, conservation studies and material analyses. Later alterations were assessed carefully in each case: where appropriate, interventions sought to recover the historic condition, while the layers resulting from the building’s continuous use were also evaluated and respected.

In parallel with the restoration of the historic interiors, the stage technology, building services, acoustics, fire-safety systems and backstage areas were comprehensively renewed. New auditorium seating, modern lighting, energy-efficient building systems and accessibility measures were discreetly integrated into the historic setting. The renovation also opened up the audience circulation system, which had originally separated visitors according to ticket category, allowing the Opera House to function today as a more unified and democratic public building.

The renovation of the Hungarian State Opera demonstrates how a 19th-century theatre of outstanding heritage value can be transformed into a contemporary, internationally competitive performing arts institution. The project combined the restoration of historical authenticity with the complete renewal of the building’s technical systems, while re-establishing the Opera House’s original acoustic qualities, atmosphere and urban significance.