Average prices in Nice higher than in the Côte d'Azur by 35%. Thus, the one-room apartment in the city will cost 600 euros more expensive than in other regions.
According to the portal LocService, housing on sale on suburbs has following percentage distribution: 11% - rooms, 39% -one-bedroom apartments and 6% - two-bedroom apartments.
In Nice, the same percentage is distributed quite differently: 41% (vs. 45% in other regions) is given for apartments, including two to five rooms.
Source: http://www.euromag.ru/catalogs/realty/22213.html