My husband and I stayed at John's flat for a 8 nights, and had a great experience! The space is clean, comfortable, and stylish. There is a great private patio in his backyard. John was a great host. He is very friendly, but also gave us our privacy. He is happy to give suggestions of things to do in London. He also has a friendly cat.
The neighborhood is safe and quiet at night. It is walking distance to the bus and the tube (Vauxhall Station and Kennington Station). John suggested a local pub and a coffee shop in the neighborhood that we enjoyed. There is also a grocery store only a couple blocks from his flat that is convenient, Tesco Express.
Overall, we had a wonderful experience, and highly suggest it to people looking for a place to stay in London!