About the room: for its small size its very well distributed. It has a small sink with some utensils and a toaster which are helpful but no cooking area.
Negative points: wifi is slow on the 5th floor, the shower door leaked water out when trying to take a quick shower. It was hard not to make a mess on the floor with water. The mattress (when we removed the bed linen) had some blood stains and was a bit out of shape. However, bed linen on top of that was clean and the mattress, although beat up, was comfortable.
Positive points: The best thing about Christina's Syntagma apartment is definitely the location. You can easily walk to all main attractions. There are loads of restaurants and cafés. Close to the main shopping district and also to supermarkets, the air conditioning worked perfectly and Billy (he welcomed us) who was so nice, helpful and extremely kind.
All in all I would recommend. 4/5 rating.