I've been on a three-week eurotrip with two friends... this has been, by far, THE BEST apartment we've rented. Feels like home - it's safe, has excellent decorations and lighting, and is very spacious! Two bedrooms and a huge sofa. A 5-member family could easily spend their nights in Praha in here and be comfortable.
The building is located near the astronomical clock and the oldtown, as well as the praha castle and other main attractions, so there's no need to use public transportation.
The bathroom is amazing, too. Everything about this apartment was great.
I really, really recommend Sarka's place. She even arranged our transportation from and back to the airport with her personal driver, who was also very, very nice.
I will definitely come back to Praha and rent this apartment!