To make a long story short:
A non brainer if you traveling to madrid alone.
Blanka & Kasio are such a lovely couple that make you feel part of their family.
they are truly charming people and their hospitality is exceptional.
Really, Do Not think twice.
Ive been to numerous Abnb, this is one of best experiences I had.
beside them being a great host, you still have your corner if you need peace and quiet, and the neighborhood is amazing
some of the best caffe are 100 m from you, lots of cool places like Pez tortill, Toma caffe, Cafe angela, Hanso caffe, are just around the corner.
also, all places and plazas are 10-15 Min walk.
highly recommended!
You'll have the option to even get a home made madrid breakfast from Kasio.