The house is as advertised- an airy and spacious flat on the fourth floor and with balconies on the front and rear off of every room. Decor is classic and bright white walls. Beds are firm but pillows soft and we slept VERY WELL.
While there is a busy road nearby but even with the balcony doors open it did not bother us much because of the steady kind of hum like a distant waterfall.
We were checked in by the host's brother who was nice and gave us a 30 minute introduction of the neighbourhood and prior had great instructions from the host as to how to get to the house. The metro is a 10-15 minute walk or a few bus stops with busses every 5 minutes or so. While the neighbourhood is not really lively, it is not dead either with a cafe across the road and a supermarket just down the street. It is what we thought to be a "normal" Athens neighbourhood.