This is a lovely apartment in a fantastatic location. I stayed in early February when it was cold outside. The flat itself is really quite cold (and this is from someone who is used to living in cold places) - there are a couple of automatically controlled radiators that come on with a timer that really don't heat the apartment up enough. That plus the lack of an electric heater and the fact that the owners ask you to take off your shoes (there's a cold stone ground) makes for quite a cold flat in winter which can be inhospitable.
Access to the flat is through a keybox at the entrance - now this is really fiddly to operate and if it's dark outside you'll need a torch. As it happened, I was provided with the wrong 4-digit code to operate the keybox meaning I spent about 10 mins in the rain wondering if I just wasn't opening the keybox correctly before phoning the out-of-ours hotel which then provided the right digit code.
Location wise, the apartment is superb. The furnishings are fine too. Beware the bathroom though where the door-frame is quite low and a potential bump hazard if you're over 6 feet tall.