We stayed in Verda's apartment for a week with my wife in April/May 2015.
Flat it-self and all the support from Verda, her husband and son were good. All the requests that we asked were completed imideatly. We also have been provided with all the advices and all we need.
There are all the needed staff to stay for 2 in the flat. Including towels, kitchen and washing machine.
Flat is near Balik street with good fish market. There are many bars and restraints nearby. It is 15-20 mins walk to Galata tower and Taksim square. Taxi will cost about 10 liras to get to the apartment from Galata bridge in 5-10 mins.
The only thing is the district where the flat is located. It is not very clean and modern, if you know what i mean :) There are too many gipsies leaving in the nearest buildings with all the following things )
In any case the flat will fit enough for a couple to stay here for a 1-2 weeks. So I recomend it for young couples.