We arrived on a Friday afternoon, Alessandro wasn't there but he left the key in a keybox. The studio is as described, clean, modern and well equipped.
We did not meet Alessandro, but we have not really been in the studio except for sleeping :-)
The studio is located in a nice house and was on the 4th floor (without an elevator). It is a great location to visit London and we would recommend it without hesitating. For people looking to hook up with the landlord, we had the feeling that the house was like a hotel without a reception because each floor had 2 to 4 studio's and the only people we saw, where other tourists....