If you're staying in London, Christen's place is absolutely perfect. Across the street is the Riddlesdown train station that goes directly to London Victoria for $8 one way, and there is a small charming cafe for quick eats. The neighborhood is a quiet suburb with fancy houses.
The room/bathroom are spotless, the kitchen is modern, and Christen himself is an absolute vibe. You'll learn all sorts of things about nutrition/wellness that you never would have thought of before, haha
Overall an amazingly peaceful experience!