It was a very good experience, they weren't home when we got there so a friend of theirs was there waiting for us to let us in and explain everything about the apartment. It was very cozy an the couch is comfortable to sleep in. The only problem we had was that there is no AC or a fan to escape from the heat of New York, since the apartment is below the ground it was harder to get the air from the Windows to run in, however since we didn't spend much time at the apartment it wasn't that big of a deal and we were able to get good night sleep.
I totally recommend staying at Matthews and phoebes.