• Building Type : Office building < 28m
  • Construction Year : 2001
  • Delivery year : 2003
  • Address 1 - street : 4 rue Saint Eloi 76000 ROUEN, France
  • Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.

  • Net Floor Area : 8 972 m2
  • Construction/refurbishment cost : 840 000 €
  • Cost/m2 : 93.62 €/m2

Certifications :

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

Implementation of iconic BOUYGUES BATIMENT GRAND OUEST (ex Quille Construction).

The building has undergone an energetic and environmental renovation in 2012 and 2013. He is now certified HQE RENOVATION and BBC RENOVATION.

The conventional energy consumption was reduced by 40%. The overall energy bill was reduced by more than € 25,000 / year.

Historically, the building was developed by CIRMAD PROSPECTIVES and built between 2001 and 2003, according to HQE standards.

Building delivered in 2003, very functional, including modular spaces:

  • 7220m² of offices (some spaces that can be transformed into shops)
  • 450m² of technical rooms
  • An inter-company restaurant
  • A gym space, equipped with toilets, showers, infirmary
  • 440 underground parking spaces
  • Each floor has two toilet blocks, two tea rooms and several meeting rooms.
  • The top floor offers a "Club" and VIP space.
  • The central patio is vegetated.

Sustainable development approach of the project owner

Project certified HQE Renovation by Certivéa. The particular strengths of Environmental Quality are:
Adaptability of the building (offices / shops / Restaurant / sport and high divisibility of the building)
Improvement of biodiversity and of the initial sealing rate
user comfort (olfactory, thermal, visual)
Energy efficiency, energy management
Space management, integration of the site
Bouygues Bâtiment Grand Ouest has worked with the engineering office HQE «ELAN» to define an environmental profile adapted to the owner’s commitment and to the context of the operation.

Architectural description

The building is used as offices, is composed of 5 stories and 2 basement levels with a total area of ​​7906 m² useful, including 7393 m² of offices and 513 m² of technical rooms and sports hall on the ground floor. It also has 440 parking spaces in the basement. Floors, covering an area of ​​about 1500 m², are bright and very functional and allow a very good horizontal divisibility. These floors have a high ceiling of 2.60 m and are laid out around a monumental hall on 3 floors and a vegetated patio. With a depth of 14 meters, they can both operate as open-space partitioned into individual offices. They are served by 2 lifts. The building has a polished concrete facade and a zinc roof. The building also has a Restaurant Inter Company located on the ground floor.




    M. Jean-François BROUILLIEZ

    Construction Manager

    ARTEFACT Architectes



    M. Eric PEREGO

    Environmental consultancy

    SCPI PFO2 - Investisseur

    M. Cédric NICARD

Contracting method

General Contractor

Energy consumption

  • 90,00 kWhep/
  • 157,69 kWhep/
  • Other

    Heating: 25 kWh /m² SHONRT.year lighting: 21 kWh /m² SHONRT.year Sockets: 20 kWh /m² SHONRT.year Ventilation: 15 kWh /m² SHONRT.year Air Conditioning: 5 kWh /m² SHONRT.year Hot Water: 2 kWh /m² SHONRT.year (excluding shower and RIE) Lifts: 1 kWh /m² SHONRT.year

  • 150,00 kWhep/

Real final energy consumption

    89,00 kWhef/

    87,00 kWhef/

    2 014

    96,00 kWhef/

    2 013

    150,00 kWhef/

    2 012

Envelope performance

  • 0,89 W.m-2.K-1
  • The renovation project has not touched the building envelope. Envelope performance remains the same.

    EN 13829 - q50 » (en m3/h.m3)

  • 1,70


    • Heat pump
    • Tape
    • VAV System
    • Individual electric boiler
    • Solar Thermal
    • Reversible heat pump
    • Tape
    • VAV Syst. (Variable Air Volume system)
    • Double flow heat exchanger
    • Solar Thermal
    • Other, specify
  • 3,00 %
  • Solar Sensor Solutions autovidangeables plans. Annual production of announced renewable energy (3%) is in fact the solar hot water, which covers 61% of the building’s hot water needs

Smart Building

    Implementation of the Counting Plan : Exhaustive (heating, water, electricity, air conditioning, lighting, sockets), counting by area and information stored locally (more than 65 counters).

    A supervision for monitoring energy consumption and developement of awareness among building occupants.

    Special attention was paid to the building management system which covers the comfort parameters of heating/air conditioning and of lighting. For lighting, a 1st and 2nd day regulation has been set up (regulation according to the natural light). The user is left free to relight if necessary. In the evening, after the departure of the last collaborator, building switches to «vacancy» mode, which is the complete extinction of lights. This mode is set up for the lowest energy consumption possible without compromising the rebooting the next day. Combining the real needs of the building and automatisation of key systems, Building Management System allows now a flexible and easy control because it was modeled on the daily conditions of occupation. It provides therefore a better comfort, improved quality workspaces and allows precise monitoring of consumption. It is now managed by a recognized specialist in its sector [Control Systems Management Board of BOUYGUES BATIMENT GRAND OUEST] and so is the guarantee of the continuity of different actions.

Biodiversity approach

    The building is located in the city center of Rouen, near the St Eloi church, in classified area. The implementation of the Marco Polo was done in accordance with the environment
    in terms of views, sunlight and noise pollution. The building offers nice views on the Seine and on the «law» vegetated roofs. The U-shaped configuration of the building helps to protect some facades from the wind. Terraces and walkways are accessible to users at any time of the year.
    The public transport (buses, metro) are all available within 200m.
    Parking is marked on the ground to secure access for pedestrians and bicycles.


    Air Handling Central Motor low consumption


    +33 474 460 620

    HVAC, électricité / ventilation, cooling

    Blower motor and low energy extraction

    Integrated into the project, this technical choice allowed to bring a good control of the HVAC system performance.

    VMC DFE + with high efficiency heat recovery system


    HVAC, électricité / ventilation, cooling

    Series DFE + is a range of controlled mechanical ventilation units (up to 6000 m3 / h) with high efficiency heat recovery system (90% and more) composed of a counterflow plate exchanger in aluminum, of a condensate drain pan in stainless steel, filters(class G4 / F7) and centrifugal fans with electronic high-efficiency motor (series «micro-watt»). The exchanger is high efficiency counterflow of the air / air type, and is executed in aluminum resistant to sea water, to a temperature up to 80 ° C. The sealing tests according to DIN1946 show a leakage rate of 0.017% at 400 Pa of difference between the 2 air streams. The exchanger meets the EN 308 standards. The exchanger is certified EUROVENT (air / air exchanger program).

    Integrated into the project, this technical choice allowed to bring a good control of the HVAC system performance.



    HVAC, électricité / heating, hot water

    KBB absorber with aluminum sheet on copper pipe fittings, absorber with 1 tube coil ø 9 mm. Transmission 88%.

    The establishment of a solar hot water production helped to feed, amongst others, the gym hall of the building.

    DHW solar cylinder B.SOL


    HVAC, électricité / heating, hot water

    Domestic water from solar collectors storage

    The establishment of a solar hot water production helped to feed, amongst others, the gym hall of the building.



    HVAC, électricité / lighting

    Recessed LED high efficiency for high power of 4000K with aluminized polycarbonate reflector treated scratch-resistant / low Recessed height 100mm for UGR <23

    The choice of LED technology has brought both energy efficiency and visual comfort.

Construction and exploitation costs

  • 840 000

Energy bill

  • 84 700,00

Water management

  • 3 410,00 m3

GHG emissions

  • 8,00 KgCO2/m2/an
  • Energy consumption 2014 (conversion factor Base Carbone)

  • 11,00 KgCO2 /m2

Reasons for participating in the competition(s)

​Propriétaire-occupant de l’immeuble Le Marco Polo, la société BOUYGUES BATIMENT GRAND OUEST a souhaité pérenniser son implantation sur l’immeuble tout en valorisant son expertise dans les métiers de la performance énergétique afin de maîtriser son impact sur l’environnement.

Recherchant un tiers investisseur pour financer la restructuration et acquérir l’immeuble, BOUYGUES BATIMENT GRAND OUEST s’est appuyé sur PFO2, SCPI du Groupe PERIAL. La mobilisation des fonds nécessaires à la réalisation des travaux a reposé sur une opération de « sale and lease-back ». Celle-ci ayant conduit BOUYGUES BATIMENT GRAND OUEST à vendre à PFO2 son immeuble tout en demeurant locataire.

Building candidate in the category

Low energy renovation

Low energy renovation

Green Building Solutions Awards 2015

Author of the page

  • Cédric Nicard

    Responsable du Développement Durable

  • Other case studies



    Green Building Solutions Awards 2015