Condominium 48 rue de Saint Cloud in Nanterre
Renovation
- Building Type : Collective housing < 50m
- Construction Year : 1955
- Delivery year : 2019
- Address 1 - street : 92000 NANTERRE, France
- Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.
- Net Floor Area : 5 154 m2
- Construction/refurbishment cost : 1 929 521 €
- Number of Dwelling : 64 Dwelling
- Cost/m2 : 374.37 €/m2
Proposed by :
-
Primary energy need
102 kWhep/m2.an
(Calculation method : RT existant )
Located in Nanterre, this condominium consists of four buildings and 64 homes was built in 1955. It has not been renovated since and that is why in 2016, the syndicate of condominium has decided to renovate .
Thus, the work that has been done is:
-Low pressure ventilation
-Collective condensing boiler
-Collective heat of sanitary water
-Isolation from the outside of the walls and the roof
This allowed to divide by almost 3 the energy consumption of the condominium from 283 to 102 kWeh / m² / year. The condominium has reached the BBC renovation level in some aspects without validating the certification by a certifying body.
Sustainable development approach of the project owner
The project consists of the overall renovation of the 4 buildings of the condominium. This allowed to reach the level of performance BBC renovation (104 kWhep / m²SHON / year in Île-de-France) and therefore to greatly reduce energy consumption.
In addition, the financial effort was important from the condominium to "embark on energy renovation". Thus, all the inhabitants will be able to benefit from the comfort of this renovation.
Architectural description
The condominium is composed of 64 dwellings spread over 4 buildings in R + 4.
The main architectural modifications of the project are:
- insulation from the outside of walls and roof
- balcony integration
- installation of shutters
Building users opinion
The work related to the improvement of the building made it possible to use the surplus of power for the production of Hot Sanitary Water. Occupants are satisfied with the passage of individual to collective hot water; this avoids multiple subscriptions and maintenance contracts.
See more details about this project
Contractor
Construction Manager
Stakeholders
Thermal consultancy agency
POUGET Consultants
http://www.pouget-consultants.eu/Environmental consultancy
Type of market
Global performance contract
Energy consumption
- 102,00 kWhep/m2.an
- 118,00 kWhep/m2.an
- 283,00 kWhep/m2.an
Envelope performance
- 0,80 W.m-2.K-1
Systems
- Condensing gas boiler
- Condensing gas boiler
- No cooling system
- compensated Air Handling Unit
- No renewable energy systems
Urban environment
Product
Low pressure ventilation
ACHTYS
Vincent Benard
http://www.acthys-ventilation.fr/Génie climatique, électricité / Ventilation, rafraîchissement
Low pressure ventilation to reuse existing individual ducts
For vents and air inlets in the housing; a witness was made so that the occupants could visit it and be informed in advance of the work that will be done in their home.
GHG emissions
- 31,00 KgCO2/m2/an
Reasons for participating in the competition(s)
Located in Nanterre, this condominium consists of four buildings and 64 homes was built in 1955. It has not been renovated since and that is why in 2016, the syndicate of co-ownership has decided to renovate .
Thus, the work that has been done is:
-Low pressure ventilation
-Collective condensing boiler
-Collective heat of sanitary water
-Isolation from the outside of the walls and the roof
This allowed to divide by almost 3 the energy consumption of the condominium from 283 to 102 kWeh / m² / year. The condominium has reached the BBC renovation level in some aspects without validating the certification by a certifying body.
Building candidate in the category
Energie & Climats Tempérés
Prix du public
Prix des Etudiants
Thomas Lemerle
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