My wife and I stayed at Javier's apartment for 3 nights. It's a terrific 1-bedroom apartment on the ground floor of a very secure building, with all the amenities for a very comfortable stay. There are two short sets of steps to climb at the entrance to get to the ground level of the apartment, but no elevator is necessary. The location is great - just a few minutes walk to a Mall and a Metro station, and just 1 or 2 blocks to bus stops both ways. We would be in Madrid center - Sol station in 20 minutes. Please note that wifi is not provided, so we used local SIM cards with 4G data plans for Internet access. Javier met us for check in to give us the keys, and we were able to self check out. He was very responsive to our needs. Highly recommended.