Tri Postal Bordeaux: Construction of 44 housing units for sale and 33 social housing units

CoBe Architecture et Paysage as Architects

77 housing units
A few hundred meters from Bordeaux Saint-Jean train station, in front of the National Interest Market (MIN), on the Armagnac Nord sector of the Saint-Jean Belcier ZAC, CoBe designed the L1&L2 housing buildings of the "Tri Postal" block managed by the ECDM architects team. Designed for BNP Paribas Real Estate, it includes 33 social rental housing units and 44 free-to-own housing units built by CoBe.

photo_credit Luc Boegly
Luc Boegly

A new centrality
The Armagnac sector is today a huge railway wasteland and a sector of activity at the heart of which a new centrality for the city of Bordeaux is developing. Overlooking the Place d’Armagnac, the Tri Postal block, as its name suggests, includes the city’s former mail sorting building, whose activity stopped in 2016.

photo_credit Luc Boegly
Luc Boegly

Now divided into three bodies, it will be refurbished in part by CoBe. Right next to this symbolic building, CoBe took part of the design of the first phase of the block coordinated by ECDM agency: a mixed-use building complex composed of housing units and offices standing on a shared two-storey ground floor. Within this complex, CoBe oversaw the design of the two towers located at the extreme east of the plot and their respective parts of the shared base. They are lots L1 and L2 of the project.

photo_credit Luc Boegly
Luc Boegly

Two buildings
The base of all the residential buildings respects the same framework, composed of a post-beam structure on two levels of ground floor and long loggias on the façade of the first four floors.

While keeping the same massive thicknesses of concrete slabs, the two ten-storey housing buildings L1 & L2 stand out visually from their neighbors by disturbing their linear and horizontal appearance thanks to a set of staggered balconies. The created effect of solids and voids energizes the façade, breaking with the pronounced horizontality of the base and the strong expression of its post-beam grid, and divides the balconies between covered and uncovered spaces.

photo_credit Luc Boegly
Luc Boegly

On the façade side, the shades fluctuate between a sandy prefabricated concrete of «blond stone» color at the base and loggias putting in mind the hues of the Bordeaux’s traditional facades, and a light grey concrete for the upper levels’ balconies, combined with aluminum joinery and a grey coating.

The balconies’ railings are made of perforated aluminum following a reinvented traditional Bordeaux pattern and are sometimes interrupted by a set of concrete parapets that are continuously extending the slabs. The undersides of the balconies are subtly embellished with a patterned concrete with gold lacquer.

photo_credit Luc Boegly
Luc Boegly

Dwellings, loggias, balconies
The two buildings, served by two separate halls, are made of 33 social renting housing units and 44 free-to-own housing units ranging from one-room to five-room, equally arranged on all levels. The top two floors host duplexes containing double height living rooms. The double ground floor hosts commercial premises and car parks on two levels, as well as cellars provided for each of the dwellings.

photo_credit Luc Boegly
Luc Boegly

As the project is entirely designed on the edge of the plot and has no public spaces, all the dwellings have large exterior spaces of an average of 10m2, whether balconies or loggias. The residential buildings are the same width as the neighbouring office buildings (20.5 metres), as their volumes have been cut into the mass to create two-metre-wide outdoor spaces on each façade. All the dwellings enjoy views towards Bordeaux’s landscape, and do not suffer any overlooked situation with other dwellings.

Team:
Client: BNP Paribas Real Estate
Design team: CoBe Architecture et Paysage (L1 & L2 architect) ECDM (managing architect)
AIA Management (construction manager)
AIA Ingénierie
Le Sommer Forten
BTP Consultants

photo_credit Luc Boegly
Luc Boegly
photo_credit Luc Boegly
Luc Boegly
photo_credit Luc Boegly
Luc Boegly
photo_credit Luc Boegly
Luc Boegly
Caption
Caption
Caption
Project Credits
Construction manager
Managing architect
Photographers
Product Spec Sheet

ElementBrand
Curtain wallsWICONA
FurnitureRECKLI Gmbh
Batch ElevatorsOtis
Whitewash housingunikalo
Product Spec Sheet
Curtain walls
by WICONA
Furniture
Batch Elevators
by Otis
Whitewash housing
by unikalo
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