I just don't have one word: WAOU!
First, the appartment actually looks nicer than in the pictures. There is a lot of light and it's very big (arround 120 square meters)! The soul is also great: high ceilings, wood floor and nice decoration.
Another very good point: the location is just perfect! Beyoglu happens to be very noisy but the building is located in probably the quietst part of the district.
What was much more amazing was that we discovered that the builing faces the official residency of the French Ambassador! I let you imagine the nivel of security! Also, we were surrdounded by some other official buildings to make the entire street super safe and 5 minutes walking from everything (subway, Istiklal street which is very popular and perfect for shopping...).
Finally, I really appreciated the comunication with Matrona. Each time I had a question, she immediately answered. Matrona is a Queen guest!
You can go ahead and book this appartment by closing your eyes. I strongly recommend Matrona and her appartment and I will certainely book it again for my next trip to Istanbul which happens to remain a passionating city to discover despite of what can be said about it.
Rémy.