This was a good experience for us with excellent communications throughout by Balta. The flat is close to the Metro, which makes the whole of Madrid very accessible. We had a large apartment for just the two of us, which allowed us to 'spread out' a bit after many hotel rooms in the past few weeks. Being the middle of August and very hot, the lack of air conditioning was an issue and made the nights rather uncomfortable but, apart from that, it's a good place to stay.