All in all it was a good stay at Klermeson´s flat. I had some troubles finding the right house but this could be fixed very easy when calling Klermeson. The room, bathroom and the rest of the flat were clean and the location is very central for all of your London trips. Some supermarkets and restaurants are very close to the flat.
But be aware that you will share the flat with other AirBnB guests and the walls are very thin but this is very ordinary for London. With earplugs you will solve this problem.
My biggest issues were the bad working toilet flush and the mould on the ceiling of the bathroom. This has to be improved asap - even at an AirBnB flat!
But if you don´t have a problem with this you won´t regret the stay at this flat.