Rémy's flat was ideal for us. Situated near two Metro stations makes getting around the city rather easy, and there is an abundance of interesting, historical, and contemporary attractions within easy walking distance. Notre-Dame de Paris, for example, is a twenty-five minute walk away, and the Marais with its numerous restaurants and interesting shops a short stroll.
Whilst some will think the flat a bit small, it is in Parisian terms rather spacious, with everything furnished to make a visit to Paris very pleasant. It has been refurbished to a very good standard. The building is set well back from what is a very quiet street, the flat is one floor up with secure entry via two coded doors. Quite literally steps away, across the street, is a very good boulangerie-pâtisserie, and there are two well-regarded restaurants only metres away.
Finally, there were five of us staying in the flat. On a cost-per-person basis, dividing the charge amongst us made for a very reasonable visit that was far cheaper than hotels would be in the arrondissment.
Overall, and in a word, excellent.