We just spent 7 days at Sara's flat and it was quite pleasant. She was very accommodating as well. We had matinee tickets the day of check-in and she arranged for us to be able to drop off our luggage and do the walk through earlier than the agreed upon time so that we could make our show. The TV was not working when we arrived either but she had a friend come by and get it reprogrammed.
The flat is as attractive as it looks in the photos and she leaves a nice welcome box with sodas, waters, a bottle of wine and some small edibles. It was unfortunate that construction scaffolding obscured the building but we had been warned it might still be there. The neighborhood is busier than Kensington, which is where we usually stay but noise did not keep us up at night. It is in walking distance of good restaurants, pubs and a Sainsbury Local. All in all, it was a positive experience.