Overall assessment: ☆☆☆☆
Pros:
1. Great value of money.
2. Very central location just by Taksim Square.
3. Fully equipped with everything you need.
4. Isik was very helpful and responsive. (He even provides residents with an Istanbul Travel Card!!)
5. The place was clean.
6. Good wifi (I had access for websites & apps at home that I couldn't have anywhere else - not sure what was the trick)
7. Day light in living room.
(essentially all what travellers want)
Cons:
1. Flat is bit old.
2. Bedroom doesn't have a window.
3. There's a bit of odor.