Better than expected in London, the unit on the last floor (last one) has a kitchen, a bathroom and two rooms, (one bedroom and one living room with a queen size bed). It is perfect for 4 persons (two couples or two parents with two childs). Bonus : there are AC plugs.
Location is in a very great area, one of the best in London.
Michael was very nice and arranged a private driver for us.
Will consider it as a first choice for next time.