Just fantastic.
We were made to feel very welcome by Marlies, who genuinely cared about our stay.
The flat is simply beautiful with large, high ceilings and a real comforting character. The weather was very hot during our stay but the flat stayed refreshingly cool - just what we needed coming back from being in the sun all day.
The kitchen was well equipped with Nespresso machine etc. (apart from English tea :) ).
And the bed is the most comfortable thing I've ever slept in!
I can't complain about anything. It's just a shame that we couldn't spend more time in the flat - there's just so much to see and do in Vienna...