We stayed at apartment 4, 1st floor.
The apartment is really nice : big bathroom, ceiling height, lift available, nice kitchen well equipped.
Nevertheless, 2 weakness’s from our point of view : not bright at all and cleanliness must be improved (sofa is not clean : need to put bed linen on it before using it)
Good location if you re searching for a lively neighbourhood
Near Istiklal street with many many shops, pharmacy and restaurants : all you need is there. 8 minutes wall from Taksim train station.
Nevertheless, as mentioned in another comment, some adult shops (night club, erotic shops) are in the same street : visible at evening time, could be embarrassing for family with young children.
Finally I must say that even though the staff does not speak English (or very very few) they do their best to help you efficiently when needed. Thanks for that. Very appreciated during our stay.