We had a great time at Giorgos place, he and his wife Katerina took care of us very well.
The apartment is big enough for a family with 2 small kids, located on the side street just a minute away from the sea, 2min to several small grocery shops and restaurants, 5min walk to the beach, next door is a swimming pool that we could go to. The kitchen is perfect for simple cooking and we could use the oven in the basement for several times to cook the fish. We got clean towels and sheets every 2nd day and Katerina did the laundry for us as well. We also got delicious home cakes for a few times, thanks a lot, Katerina!
Kefalos town is a small and calm place, you can't be further from the main town Kos but you can rent a car for better price here and explore the great non-crowded beaches that are just "behind the hill".
Giorgos gave us good tips for the restaurants and was always ready to help us with everything.
There are few apartments in the house and the athmosphere was very friendly, all guests were nice and comunicative. I highly recommend to stay there.