A very nice apartment in a residential neighborhood. The hostess is very attentive and helpful, and answered almost immediately all our questions. The apartment is a bit old, but has everything you need to live there for a week, and although it's not very close to the tube (about 10-15 walk to the nearest station) it is close enough so you can plan all your stay without needing cabs or renting a car.
All in all - a very pleasant stay for a couple, or for a family who is willing to stay in a two room apartment (The children have to be willing to sleep in the same bed, but they get the TV...).