The apartment has a perfect location for sightseeing in Madrid. It's small, yet, big enough for 2-3 people to stay. It was very clean but there was barely any natural light. The owners were very nice and greeted us and helped us with our luggage upon our arrival. Our only issue was that they didn't warn us about the construction going on and we were woken up at 8 am by construction workers yelling and drilling right above us. After we complained to the owners they sincerely apologized and gave us a partial refund. Overal it's a great place to stay. If I were planning another trip, I would just check with the owners if the construction is still going on.