Since I was staying for quite a long time (1 month) I needed a lot of stuff to be sorted out the first couple of days and she help me with everything she could (mobile phone card, photos, embassy, travel card...). There were some food/drinks in the house for the first couple of days. I have felt very much welcome in this place and I will definitely come back soon.
The neighbourhood is very quiet at night but it has plenty of shops and business opened during the day. There is also a very convenient supermarket just in front of the house which opens from 8 am to 9pm. The house is very well decorated and it has all the facilities to live there for short or long stays.
There are a couple of direct bus to the city centre (Syntagma) but you can also walk to Acropolis (about 12 minutes). I was travelling daily to the NTUA and there are plenty of connections by bus, tram or underground.