We had a lovely, relaxed 9 day stay over the Christmas period at Constantinos's garden apartment. The apartment is very cosy and decorated very cutely...loved it! Extra efforts were made to make it welcoming for the festive season with tasteful Christmas decorations and even a bottle of champagne left as a gift.
It got quite cold during the time we were there but the heating was good and there was plenty of hot water. A little problem with the water heater was fixed within 20 minutes and all was good.
Constantinos provided us with excellent info and recommendations leading up to and during our stay. He is a welcoming and caring host and always responded to our questions promptly.
Though not very central such as more touristy locations such as Plaka, its an easy walk to most tourist spots in Athens. Its a bit of a walk to the metro but if you like walking then its fine. On Mondays there is a fantastic fresh food market right opposite the apartment and the supermarket is handy.
Though a bit too cold for use when we were there, the terrace is lovely and would be a wonderful place to chill out in warmer months.
Can definitely recommend this location and host. Enjoy