Pedro's apartment is amazing, is very close to the chamartin station, supermarket and restaurants, if you are planning to visit any other cities, like Segovia, salamanca, Avila, etc, it's the best place to stay, even for others cities that you have to go to Atocha, and of course, Madrid, this apartment is perfect.
it's totally clean and Pedro provides all stuffs you need.
Pedro help you with information over the city and if you need some help he is always available and answer you quickly.