I spent a week with my girlfriend at Alice's and I have to say that everything was perfect. The apartment is even bigger than how appears on the pics, Alice was very elastic with check in and check out time and even if she was not around she gave us full collaboration answering quickly to all my messages and there are shops restaurants and bars literally 5 steps away.
If you want to spend few days in Gavea that's for sure the place to be. Strongly recommended.