on the plus side:
location location location ... very cute neighborhood, very convenient to all major sites, fun vibe around with lots of cute outdoor cafes, and also a short walk to the metro station. a supermarket was just around the corner, a big plus as well.
another nice touch was that owner supplies coffe,tea milk, sugar, salt, pepper packets. very convenient
minor suggestion: there was no sponge and no cutting board, no spatula for cooking, which would have been useful, as we had our breakfasts at home, since london is so expensive.
two fold out couches in the living room - each can fit 1 adult, or 2 small kids.
on the negative side: only livingroom had AC, bedroom did not have AC. yes you could open windows, but then you can be woken up by some outside noise. for us it was not a big issue because it was not very hot out, but in the warmer time would have been a big issue. i would recommend a small window AC unit. we did have a fan, which helped a lot. overall,
also it was a 5 story walk up, which was ok for us, but may be an issue for some.
I would stay there again