I would suggest this to anyone heading to Madrid with a group of two or less people. Host provided excellent instructions for getting from the airport, which we followed without any problem at all. It's a little difficult to find, but don't panic. We walked from Opera station and found it quite quickly. Bed is firm but comfy, air conditioning actually works really well (though we didn't use it very much as I preferred to open the balcony window). Extremely close to many sites on foot and restaurants and bars if you are interested in night life. Shower is amazing, great water pressure and temperature, but please note if you have mobility problems, that it's a very LARGE step UP to get into the shower, and also, there is no elevator in the building . Kitchen is tiny but very serviceable, and we prepared almost all of our meals in the flat. Directly outside your balcony window is a church, and please note that the bells begin ringing at approx 9am. They also ring quite a bit in the early evening starting around 8pm on a regular basis. This didn't impact my sleep schedule, but just so you know. Altogether, very pleasant stay and we would be glad to return here. For those concerned, the neighborhood seemed quite safe to us... but also with some personality ;-)