Excellent location, beautiful flat - well appointed and updated, attention to detail, responsive host & central to shops, tube and restaurants.
Our main concern was the upstairs neighbor and his son. Every morning pounding around with very loud foot falls and play before 7am, intermittent through the day and some evenings until 11pm. There was no way we could sleep in during our stay, or get to bed early w/o interruption.
Also could never get the washer / dryer combo to dry clothes. Despite using manual and provided instructions & trying various settings, we had to take to local laundromat to dryer clothes. From my later discussion with family in England, this is not an uncommon issue with combo machines.
Lastly, check-in required picking up the keys at a shop which didn't go smoothly as code was not accepted. Thanks to the Keynest contact for explaining what may have caused issue and assisting in getting new code.