Stayed there with 2 friends for 4 days - very convenient location close to Taksim, main shopping street, bars, restaurants, etc. Easy access to public transportation and taxi.

The place was clean and there is everything you need for a short stay even for cooking if you can bother to do so (much rather go out and try out all yummy Turkish food!). Indeed there is hot shower, bathroom is clean and despite there fact there is no AC the apartment is still cool as there is a nice brise coming from the Bosphore (meaning you need to let the windows open, i.e. a bit more noise.

Only 2 minor issues we had during our stay: 1) there was some construction going on in the building in the morning which is rather annoying when you come back at home at 5am after spending the whole night out. And there was material and dust in the building/stairway. But I guess it is not going to last forever and there was almost no more construction material in the corridor when we left. 2) Erdal was not around at the time of our stay and it was a friend of her helping - very nice and helpful but barely spoke English - took us 20 min to get the password for the wifi network and we had to go nextdoor to get a copy of they keys as they did not have a spare set. Just be patient. And probably better when Erdal is around as she was very helpful when we swapped emails before coming.

Overall happy with the experience though and would go again with a group of mates given good location and great price.