Our stay at the house was okay. It’s 40 minutes (walk + train) from central London, but it’s easily accessible. Just use a navigation app and you’d be able to reach anywhere you want
It can get stuffy in the room, so just open the windows for some ventilation. I think David could do better with the cleanliness a little bit, but it wasn’t a major issue for us
There’s also a few things he could add to make the place better, which I have privately recommended to him