Great place for short and long stay in Athens (we stayed for 3 weeks).
The host was responsive, the place was as advertised and the location was very good (close to everything and 20-30 min walk from the Acropolis / city center.
Ony "downside" is that the internet was a bit slow (7mbp/s) so if you need a high speed internet for your work it might be a bit tricky, but otherwise the place was very nice and had everything we might need.