The views are absolutely amazing! And Julian is a wonderful host! It is a bit outside of Central London, but getting around is very easy. The bus station is a few steps from the building, and South Ealing tube station (Piccadilly Line) is about a 10-15 minute bus ride. I would also highly recommend the cafe just across the street from the building - Rada. They have one of the best cappuccinos I've ever had, and the staff is very friendly. Overall, this is a wonderful place, with an amazing host. You'd be hard pressed to find better.