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Faced with the housing crisis, Lyon plays the card of the elevation


The elevation of a social residence in Saint-Didier-au-Mont-d'Or, having made it possible to double its living space, could be repeated, in order to create 250 housing units without additional artificialisation.

Le Figaro Lyon

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Have the ecologists from Lyon found the martingale to solve the difficult equation of building housing, social housing in particular, without artificializing the soil?

The project to raise the two buildings of the Canopée residence, in the green setting of the town of Saint-Didier-au-Mont-d'Or, is in any case presented as "

a new lever"

to reconcile these two ambitions on the part of the president of the metropolis, Bruno Bernard (EELV), accompanied by his deputy vice-president for Housing, Renaud Payre (PS).

By building a wooden structure on these former social housing units to raise them and enlarge the extremities, the social landlord Rhône Saône Habitat managed to double the living area from 20 to 44 housing units.

Not uninteresting in the face of the housing crisis and the explosion of land prices in Lyon in recent years.

Especially since the creation of this wooden envelope gives better thermal performance to the key.

The operation also benefits

from “a limited carbon footprint by having avoided destroying the existing one”

, welcomes Arnaud Cécillon, general manager of Rhône Saône Habitat.

Each apartment now has a double orientation, while an elevator has been added outside.

As for the structure, micropiles were used to avoid overloading the existing foundations, in view of seismic hazards in particular.

Barriers to consolidation

“An exemplary achievement”

, boasts Renaud Payre, for 9 million euros invested by the lessor.

Several others are launched, in Lyon, Villeurbanne or Albigny-sur-Saône.

With an additional rate of artificialization almost zero.

“It made a lot of sense here, in the middle of this natural space, not having to cut down trees,”

says Raphaël Morel of the Adminima architecture agency, which designed the project.

Out of the forty apartments, 20 are offered for accession according to the new system of Bail réel solidaire (BRS), which drastically lowers the acquisition price by separating the walls from the land.

The lessor who took over the buildings in 2005 waited for the tenants to leave before carrying out this operation.

Some have been relocated to new residences built just upstream, on Avenue de Saint-Cyr, still at the gates of Lyon.

The places are therefore empty.

This is one of the difficulties of this type of operation.

The other being their massification beyond the social park.

"It's much harder on the private park because you have to convince a condominium which does not see any immediate interest in it

," explains Renaud Payre


Besides, we have not had any requests


For now, the Metropolis has counted 250 housing units that can be created in the short term.

"There are many buildings that are not at the maximum height of the PLU-H"

, underlines the president of the Metropolis, Bruno Bernard.

For the others, it will be necessary to work on a modification of this urban planning document.

Raising may not therefore be the miracle solution, but a part of a larger plan of densification of the building.

Renaud Payre thus evokes

“densification corridors”

near strong axes of public transport, in particular.

The elected officials will tackle it next Monday, with modification number 4 of the PLU-H studied in the metropolitan council which will raise the question of the height of the building.

Source: lefigaro

All news articles on 2023-03-23

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