We absolutely enjoyed our stay in London with Jocelyn. Even though we only met her the last night, Jocelyn always touched base with us and made sure we were good for suggestions and comfortable at her apartment. Her place is as described and in a perfect and quiet location. It's close to a few good restaurants (laughing gravy), grocery stores and only a short walk away from several bus, tube and train stations (Blackfriars train station to Gatwick Airport with Northern railway for only 8 pounds/one way).
We would for sure go back to stay at this place and recommend it for your trip to London.