We were staying here for 3 days and it was really nice experience. The location is perfect to see all the sights by foot without using metro. The apartment was clean and hosts are really friendly and helpful. The apartment by itself a little old and a little damp(we were staying in the December, so maybe that is the point), but it should be expected in the historical center.
To say more, on Sundays there are a fair right on a street where flat is and there you can get a unique Spanish products and interesting experience
We really enjoyed staying here!