Travel to London is fairly easy: train from Caterham about (Phone number hidden by Airbnb) mins. Fast train from Purley (20mins) by bus 20mins.
The room is spacious for double bed (sofa bed). A additional single folding bed can be fitted to accommodate a 3rd person in the room, on request, but there will not be much space for storing luggage. (A second room is also (Website hidden by Airbnb)