We spent 5 nights in this place. It was awesome! The location is so central that you can walk to most shopping and sights. My partner and our kid had a great time there, a very big apartment and lots of space for a 4 year old to have fun in. The master bedroom with the high ceiling is really cool and the beds are amazing, I slept like a baby every night. The kitchen is well equipped and so is the rest of the place, very very nice. In the basement under the apartment we found an indian restaurant called Namaste, according to trip advisor its the 20 best of pragues restaurants... I am not into indian food, but it was actually really nice and recommendable.
I had a job in another part of town, so the option to park my car in a nearby garage (5 minutes walk) was great. The host had warned me about parking in Prague, she was right, it was very hard to find public parking on the streets - but if you do, it is also cheap (at least for somebody from Denmark) I paid 3 euro and hour to park on a highend shopping street. The host's garage however was free of charge, only advise I can give is to not bring a vary large car. I drove a Skoda Kodaq and had some troubles parking it between the columns.