Massive apartment, clean and everything you need for your stay. With Ronny's helpful suggestion, with 5 of us we got a taxi for 5 and it only cost us €30 (this is a set price for taxis in Madrid) which took us directly to the apartment (I printed out the address which we showed the taxi driver) and we were met outside and taken to the apartment and provided 2 sets of keys. Easy walking distance to many attractions though prepared for hills. Would highly recommend this accommodation.