I liked staying there. The apartment is located away from touristic areas, but this makes it even more charming. Below I mention some pros and cons.

The street is quite steep and can be slippery. Note, that subway or tram stations are not very close. You'll need to go uphill to get to Taksim or İstiklal. Walking with luggage is awkward (but still manageable). There a lot of inexpensive places to eat around, just walk down the street. The neighborhood may seem insecure at first glance, but I had no issues during my 10 days stay. Sunday market is just outside your door.

The apartment is dark, you would need electric light most of the time. Bathroom is private, but separated from the living room, so you need to walk through communal area. It wasn't a problem for me, though. You'll be provided with several towels, hangers. Wifi connection is good. The room was clean and cost.

Contact with Pinar and Firat was easy.