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Boulogne-Billancourt, to the west of Paris, is the second most populous city in the Paris region, just behind the capital, with 59,478 households and 121,583 inhabitants. With a surface area of 6.17km², it boasts numerous green spaces, including the Bois de Boulogne. Its 2,065 condominiums were mostly built between 1950 and 1993 (according to the Boulogne-Billancourt condominium register), 58% of which have an average of between 11 and 49 lots, and 95% of which are managed by professional condominium managers.
The most common form of heating is individual, in 58% of cases. The Local Urban Development Plan is designed to promote sustainable development in the city: highlighting the river, protecting green spaces, reducing waste, electric charging stations, protecting the built heritage, promoting green roofs, moving towards bio-climatism, recovering rainwater, reducing urban pollution...
The city gives priority to energy renovation: on the technical side, the city's heating and chilled water network is managed by the French company IDEX Seguin Rives de Seine, which initially served the ZAC Seguin-Rives de Seine eco-district with a sustainable network covering 70 hectares. IDEX has 8km of heat pipes and 7km of chilled water, supplying 5,000 homes and 35,000m² of tertiary buildings and facilities.
Boulogne-Billancourt residents will pay an average of €42 in condominium fees per m2 per year. Between the cost of insurance, collective or individual heating and the presence of a janitor, condominium charges can double.
Forexample , Boulogne Billancourt condominiums with 11 to 49 lots and an elevator will pay an average of €2,430 in annual running costs, or €202 per month.
