The apartment is really great, with all the commodities we need.
It is very well located in the "La latina" area, with plenty of things to see close by (Palacio Real, Plaza Mayor, Gran Via, Puerta del Sol etc..) only for a few minutes walk.
Carmen is a great host, she will definitely help you in case you have a question, she is easily reachable.
It has honestly been a pleasure staying in this apartment for 4 days. I am definitely recommending it, 300% :)