Revitalization of the Bourg Center

Last modified by the author on 06/12/2022 - 10:46

New Construction

  • Building Type : Other building
  • Construction Year : 2020
  • Delivery year : 2021
  • Address 1 - street : 250 Rue Marcel Donette 45700 PANNES, France
  • Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.

  • Net Floor Area : 1 785 m2
  • Construction/refurbishment cost : 5 716 373 €
  • Number of none : 6 none
  • Cost/m2 : 3202.45 €/m2

Proposed by :

  • Primary energy need
    81 kWhep/m2.an
    (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

The operation concerns the design of a new heart of the City, in connection with the existing Town Hall, within a site in full requalification (subdivisions in the course of realization, project of modification of the road network, rehabilitation of the 'old train station). This operation offers the city of Pannes both shops and services as well as spaces for care, work and relaxation. Local companies have been favored (95% of the work) and the buildings constructed are energy efficient.

The organization of buildings and flows takes into account the needs and uses of residents and users. The treatment of outdoor spaces plans to develop quality green spaces, punctuated by forecourts.

A building made from local biosourced materials

Within this urban renewal project, the central building of the Center Bourge is built according to the following construction methods:

  • Wooden frame walls with insulation distributed in straw;
  • Insulating joist-slab floors;
  • Wooden floor structure;
  • Traditional framework;
  • Insulation in blown cellulose wadding.

The straw comes from crops in the town of Pannes. It was stored by the city on its territory to then be installed in the wooden frame walls by the UTB carpenter in Villemandeur (<8 km from the construction site). The prefabricated elements were then assembled on site.

Photo credit

Vincent Bourgoin


Construction Manager


    Thermal consultancy agency

    ECR - ECI



    Bidet Isolation


    Etablissement Riguet


    Revil maçonnerie


    Vincent Bourgoin Architecte

Energy consumption

  • 81,00 kWhep/m2.an
  • 81,00 kWhep/m2.an
  • RT 2012


    • Heat pump
    • Individual electric boiler
    • No cooling system
    • Humidity sensitive Air Handling Unit (Hygro B
    • No renewable energy systems


    Timber frame walls, straw filling


    Utb has specialized for several years in the manufacture and installation of timber frame walls.
    Indeed, wood has become a very good alternative to concrete, it has many thermal, environmental and aesthetic advantages.
    Thus, buildings made of wooden frames guarantee natural and efficient insulation for its users.
    At the request of the City of Pannes, which wanted to favor local materials, the walls are insulated with local straw.

Construction and exploitation costs

  • 5 716 373
  • Cost excluding VRD and land

Reasons for participating in the competition(s)

Cette construction s'insère dans un programme de requalification du centre-bourg afin de le rendre plus attractif. Le bâtiment en lui-même a mis en oeuvre un nombre important de matériaux biosourcés et locaux des murs en ossature bois avec une isolation répartie en paille.

Building candidate in the category

Users’ Choice

Users’ Choice

Green Solutions Awards 2022-2023
 building energy straw Green Solutions Awards Green Solutions Awards 2022 2023

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Emmanuel d'Envirobat Centre

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