Sydney Opera House
The cost of the project so far, even in October 1966, was still only $22.9 million, less than a quarter of the final $102 million cost. However, the projected costs for the design were at this stage much more significant.
Süreyya Opera House
By the beginning of 2006, Kadıköy Municipality under Mayor Selami Öztürk launched a redevelopment project after leasing the building in August 2005 from Darüşşafaka Association for a term of 40 years. The restoration included the frescos at the ceiling and on the walls, and the sculptures on the facade. The construction works lasted almost two years and the cost amounted to around 14 million YTL (approx. $9m).