The flat is as described in the listing and accomdated our family (2 adults + 2 kids under four) well. It is in a very nice street and close to transport and Hyde Park etc. Accessing the keys was easy.

Couple of minor things that probably won't affect everyone:
-some repairs were being done in the bathroom from leaks from the flat above. This happened on 2 mornings at 8am and on the second morning for 2 hours. Hard to pack up the kids to go with no access to the bathroom! I contacted Thereza and she profusely apologised.
-the flat is basement. The garbage room for the building is in the stairwell outside the windows of the flat. We werent bothered by people dropping rubbish off, but were woke up fairly early (630 or so) by the garbage being collected one morning (think this happens twice a week).

Despite the above, we liked our stay at Alex's flat and think it was good value for a nice flat in a great location.