As a family of four, we stayed at 9 Park walk for a week in April 2015 and enjoyed the time in Olga's flat. The flat is modern, well equipped, clean and tidy. The Chelsea-Fulham road area is great; with many good restaurants and bakeries in proximity. Transport is easy via direct buses to Oxford street, Piccadilly and Victoria/Waterloo or via Piccadilly line from South Kensington. Olga is a great host, very helpful and fast in responding. I do recommend this flat.