We had a sleeping room and a bathroom for our own and shared the living room with James. He is a great host, very kind and helpful. In addition we had good conversations about tennis :-)
The appartment is located very close to a subway station (warwick avenue which is one stop away from paddington train station). Thanks to James we found The Quince Tree Cafe where we had perfect breakfast and lunch (5 min walk).
We had a great time there and can fully recommend it.