Shake - Lille (59)

New Construction

  • Building Type : Office building < 28m
  • Construction Year : 2023
  • Delivery year : 2023
  • Address 1 - street : Avenue Willy Brandt 59777 LILLE, France
  • Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.

  • Net Floor Area : 30 000 m2
  • Construction/refurbishment cost : 100 000 000 €
  • Number of Work station : 1 500 Work station
  • Cost/m2 : 3333.33 €/m2

Certifications :

  • Primary energy need
    100 kWhep/
    (Calculation method : RT 2012 )
Energy consumption
Economical buildingBuilding
< 50A
51 à 90B
91 à 150C
151 à 230D
231 à 330E
331 à 450F
> 450G
Energy-intensive building

Located in the heart of Euralille, 3rd business district in France, ShAKe is much more than an architectural project, ShAKe carries a philosophy: well-being at work. ShAKe is revolutionizing the way of thinking about business real estate by relying on three major societal trends: the decompartmentalization between private and professional life; the transition to a logic of use and sharing; and finally, the development of the notion of community.

30,000 m² at your service - The architecture of ShAKe reinvents the codes to decompartmentalize offices and offer its occupants, as well as the actors of the district, a flexible, open and welcoming ecosystem. A space of services and resources for personal and collective fulfillment and development. A philosophy that fits with today's nomadic work interspersed with multiple times of life.

The building accommodates:

  • 13,000m² of dedicated office space at Caisse d'Epargne regional headquarters
  • 7,000 m² of office space occupied by the Tisserin group, the PWC firm...
  • 3500 m² of coworking space
  • 2,000 m² of space for a start-up incubator
  • A hotel, restaurants, a fitness club, shops, a vegetable terrace...

The circular economy has been one of the areas of work and is part of Nacarat and the Tisserin group's desire to reduce the environmental impact of projects. Several actions have been carried out, including a particularly innovative experiment on the reuse of electric cables.

BIM approach

BIM Design (GO model + technical lots) / for execution, only synthesis of technical lots and facades / BIM in-house operation of the Caisse d'Epargne.

Photo credit

Samuel DHOTE


Construction Manager


Type of market


Allocation of works contracts

Build and sell construction

Energy consumption

  • 100,00 kWhep/
  • RT 2012

Envelope performance

  • 1,20


    • Heat pump
    • Fan coil
    • Heat pump
    • Water chiller
    • Double flow heat exchanger
    • Solar photovoltaic

    150 m² PV panels for SG in self-consumption + recovery of rainwater for drip supply of outdoor plantations

Biodiversity approach

    Biodiversity is at the heart of the project's landscaping. In particular, the building incorporates 4,000 m² of terrace and vegetable terraces.

Urban environment

    The project is located in the heart of the EuraLille business district and in the immediate vicinity of the Lille Flandres and Lille Europe stations.

    With a design that responds to an in-depth reflection on contemporary changes in terms of workspace, combining quality of use, economy of functionality and well-being of occupants, ShAKe offers an unprecedented tertiary offer in the Lille metropolis.

    The project integrates a multitude of spaces to reconcile the multiple activities of each: 3,600 m² of co-working space, 2,000 m² of start-up incubators, 300 m² of retail, a concierge, a fitness room, an aparthotel, a crèche, an inter-company restaurant...

Construction and exploitation costs

  • 100 000 000
  • The reuse was implemented at iso cost. Savings on purchases were offset by additional logistics and testing costs.

Circular economy strategy

    Execution studies

    • Targeting a few diversified products for testing
    • Choice of non visible products
    • Maximization of the carbon gain

    The reuse project was proposed by the company (Cegelec Nord Grands Projets), supported by the promoter (Nacarat) and the thermal consultancy agency (Barbanel) and the investor/operator (Caisse d'Epargne)


    Visual checks
    Electrical controls

Reuse : same function or different function

    • Electricity

    Electricity package:

    • 100 cables of 10 linear meters. Type H07
    • Origin: Demantec company (TRACE group) in charge of reprocessing batches from the army.

    • The reused cables were used to power the exterior lights on the "thorns" of the building.
    • Implementation identical to a new cable.
    • Part of the laying of the cables for this use could not be done with reused cables because lengths of more than 10 meters were necessary.


    • No problem of storage, supply correlated to the progress of the works


    A cable sample was given to DEKRA for testing.

    The insurer has been informed of the process.

Environmental assessment

    Savings thanks to reused cables (100 cords of 10m):

    • 785 kg of CO2
    • 810 m3 of water
    • 1,750 kg of waste

    The reuse operation saved the equivalent of:

    • 6,278 kilometers traveled by a small car, i.e. 7 Paris-Nice journeys;
    • 5,402 rectangular bathtubs filled with water;
    • 3 years of household waste from a Frenchman.

Economic assessment


    • Purchase by the company from a reuse platform

    Direct purchase from a reuse actor

    No economic impact for the site.

    The savings made on the purchase of reused cables (approximately 30%) were offset by logistics costs (approximately 10%) and testing costs (approximately 20%).

    In a perspective of massification, the additional costs of logistics and tests should be lower.

    Reflection in progress to implement a sector to consolidate the collection, inspections, tests and reconditioning of reused cables.



    Communication to come later.

Social economy

    The installation on the Shake of reuse cable did not allow collaboration with an SSE or professional integration company, but we are working on several projects which include removal in which SSE actors and insertion are integrated (Vitamin T, ID'EES groups).

Reasons for participating in the competition(s)

Towards an electrical cable reuse sector - Shake 1st pilot project!

Electric cables have a significant impact on the environmental balance of a commercial building. Indeed, copper is a material that requires a lot of energy for its manufacture. The CO2 impact of a linear meter of sensitive cable (< 5 mm²) is evaluated according to the INIES database at 1.8 kg. For a project like Shake, hundreds of kilometers of cable were laid to complete the electrical installation.

Based on this observation, a reflection emerged to use reused cables and the Shake building hosts the first implementation! The company Cegelec Nord Grands Projets (VINCI group), in charge of carrying out the electrical installations, used a layer of 10m flexible cable (HO7 3G2.5mm²) to power the exterior lighting on the building. About 100 cables with a length of 10m were laid and generated a saving of about 1.8 tons of CO2 (evaluation according to INIES database).

This achievement is part of an ambitious and innovative project: to set up a sector for the reuse of electric cables. A sector makes it possible to simplify and systematize the actions for all the actors. The industrialization of the different stages should make it possible to supply reused cables at a competitive price compared to new cables.

The reuse of electric cable in the Shake project is therefore the first step in setting up this sector in Haut de France. In particular, this makes it possible to validate the insurability of the laying of reused cables . This insurability notably involves the validation of a qualification and inspection process for electrical cables.

A set of joint actions are undertaken:

  • Identification of deconstruction site with Nacarat to design a methodology for the careful removal of electrical cables. 3 tertiary projects in the Lille metropolitan area, totaling 7,000 m² of floor space, have been identified for selective deconstruction in 2023.
  • Establishment of partnerships with companies in the social and solidarity economy:

The ESAT, the white butterflies in Roubaix-Tourcoing, organized in a workshop, for the control, the tests, the reconditioning and the storage of the electric cables.

Vitaservice, a subsidiary of Vitamine T, for the selective removal of cables and cable trays.

The organization of a sector and the establishment of a partnership make it possible to envisage reused electric cables being put back on the market at a competitive price compared to new cables, while improving the remuneration of removal companies.

Ultimately, we believe that all deconstruction sites and construction sites could benefit from a channel for reusing electrical cables.

Other reuse actions

The genesis of the operation dates back 5 years, and in fact the reuse approach came as an additional ingredient and not as an initial strategic approach. This is why reuse approaches have focused on one-off, spontaneous initiatives during the more recent development phases of lessees.

Thus, during the development work of the tenants of the office part, and in particular the premises of the TISSERIN group, we proceeded to the selective removal of new carpets installed at the reception with a view to their reuse in the buildings hosting the Olympic Games. of PARIS 2024, via our partner TEXTIFLOR.

Still on this subject of flooring, we opted for a fitted carpetfrom a reuse sector (4000 m² approx.), via our developer TETRIS. The Rex that we can share is that approximately 2 out of 3 slabs on the reuse deposits transmitted could be laid, which allows a recovery of 65-70%, but does not seem sufficient to us in view of the expected massification on these subjects (track: better sorting at source to maximize the reuse rate).

Building candidate in the category

Maîtres d'ouvrage privés - bâtiments tertiaires

Maîtres d'ouvrage privés - bâtiments tertiaires

Trophées Bâtiments Circulaires 2023
 urban agriculture tertiary building urban biodiversity space management reuse Circular economy

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Author of the page
Camille Thiriez

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Trophées Bâtiments Circulaires 2023