The apartment was very clean and nicely furnished. The beds were comfortable. It’s in a clean and easy to use building. It’s located in a very happening area. Lots of night life, plazas full of cafes, shopping, etc.
You can easily walk to the major sights: the big three art museums, Gran Via,, Plaza Mayor, Royal Palace, etc etc.
Sergio agreed to meet us for entry an hour before regular checkin to drop off our bags, which was very helpful. Unfortunately the apartment had not been stocked with some basic supplies which Sergio said were usually there. He made efforts to provide them promptly but our sightseeing schedule made it hard to coordinate. It will probably be fine in future. But do note that there are very few staples for the kitchen; only salt and sugar when we were there.