This place is exactly as advertised. Check in and communication with the host was seamless. You cant pick a better location if you want to be right in the middle of all the action. Some people on here have complained about noise at night but the bedroom is situated at the back of the unit and I never had any issues while sleeping.
Washing machine was super handy while being on the road for a few weeks.
All in all this unit would be great for 1 or 2 people who really want to have the experience of being in the middle of Madrid. Will recommend this place to people for years to come!