We spent a wonderful week in London. Oliva's flat is exactly as described and a very peaceful contrast to the busy city. Everything needful (like groceries, pubs or the subway) is in a walkable distance.
It's true that there isn't much natural light in the sleeping room, but during a hot summer, this is definitely a plus.
The communication with Olivia was very kind and precise. Although we haven't met her in person, she left all needed information for the check-in and the rest of our stay.
We highly recommend Olivias flat and would definitely come again.