Maria was a lovely host, she was very helpful and always responded to my messages. The house is exactly the same as the photos, there's anything one could need. You can do the check-in and check-out by yourself, there's a padlock in which the key is stored and you'll feel like a spy trying to open it. There were towels for the bathroom, soap, some food in the fridge, the heating worked really well and the kitchen was well equipped. It is located in a quiet neighbourhood with a tesco and a Starbucks near. Just be aware that Royal Victoria station is in Zone 3 so if you have a travelcard for Zone 1-2 like we did you'll need to walk (15min) to Canning Town station (Zone 2-3) or buy a ticket just for that very short distance between the two stations, it was not a problem for us as we ate a lot so walking was what we needed.
In conclusion I really recommend staying in this apartment, it has the lowest price I could find in London (without a shared bathroom thanks the Lord) with a very good quality