David's flat is so perfectly located, near to the Seine, close to several Metro stations and best of all, perfect for evenings out in the St Germain area.
The flat was very clean, and well equipped; the kitchenette area was perfect for coffee in the morning and wine in the evening (we had a short break so didn't cook, but you could easily whip something up with the facilities on offer). The shower was good - no water pressure/long hair issues at all which is a personal bug bear, though after a three-women-washing-hair stint (this is quite a long stint!) we did run out of hot water.
I particularly enjoyed the full blackout shutters which helped us to sleep well - a word to the wise though, the sofa bed is quite squeaky so perhaps not best for restless sleepers! Otherwise the flat is very quiet with no noise intrusion from either the street or from neighbours.
I'd have absolutely no reservations about staying here again, and will actually check it's availability on future Paris weekend trips!