As everyone has said the studio is brilliantly placed in central London. The downside is the stairway to the bathroom and roof terrace. You have to take great care and would not be suitable for anyone with mobility problems.
Guy was available and helpful, even by FaceTime, when we needed to discuss a problem.
This was one of the Airbnb reservations I’ve made where I felt as if I was being hosted not accommodated in someone’s home.