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Weekly Building News
2026 - Week 37
Highlights
 
Existing properties: prices fall by 0,8% year-on-year in the second quarter of 2026
Conjuncture
After a year of recovery, prices for existing homes are falling again in France, while transaction volumes are stabilizing. Rising borrowing costs and uncertainties related to the geopolitical context and the presidential campaign are maintaining buyers' caution, according to industry professionals. Read more
 
New housing: fewer than 40.000 sales in the first half of the year, a historically low level
Conjuncture
The new housing market contracted sharply again in the second quarter of 2026, according to the French Federation of Real Estate Developers' Observatory. The collapse in bulk sales and the decline in owner-occupied reservations brought first-half sales below 40.000 units. Read more
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In a nutshell
 
Nearly 30% of new housing comes from development projects
Study / Review / Report
Between 2020 and 2025, 630.900 housing units were authorized in developed areas, representing approximately 105.000 units per year. A study by the Union of Developers and Adéquation estimates that development contributes 29% to the national production of new housing. Read more
 
Climate and health: major European cities are adapting too slowly
Study / Review / Report
A study published in Lancet Countdown Europe, covering 850 major cities, shows an increase in health risks related to heat, fires, pollen, and infectious diseases. Despite the development of green spaces, active transportation, and early warning systems, adaptation measures remain insufficient in the face of accelerating climate change. Read more
 
Wholesalers are struggling to pass on the increase in their costs
Study / Review / Report
A flash survey conducted by the French Confederation of Wholesalers (CGF) with Xerfi reveals a widespread increase in costs between February and July 2026, in the context of the conflict in the Middle East. The companies surveyed stated that they had passed on an average of only 9,1% of these increases to their private customers and 6,5% to public sector buyers. Read more
 
Without further adaptation, climate change could cost 3,6% of French GDP by 2050.
Economic
According to initial estimates from the French Treasury, climate change could reduce French GDP by 3,6% by 2050 without new adaptation and mitigation measures. The Ministry of the Economy and Finance (Bercy) also warns of a potential increase in the public deficit of 1,8 percentage points of GDP and emphasizes the economic benefits of investing in the resilience of buildings, infrastructure, and territories. Read more
 
French debt: the Bank of France deems its cancellation "illegal, dangerous and unnecessary"
Economic
The Governor of the Bank of France, Emmanuel Moulin, has rejected Jean-Luc Mélenchon's proposal to cancel part of the public debt held by the central bank. He considers this measure "illegal, dangerous, and unnecessary," an analysis disputed by La France Insoumise, especially as French borrowing rates have reached levels not seen since 2008. Read more
 
Construction: cash flow and recruitment remain under scrutiny as the new academic year begins.
Conjuncture
The business leaders' optimism indicator rose seven points in August 2026, according to the latest survey conducted by OpinionWay for CCI France and La Tribune. In the construction sector, only 16% of executives say they are ready to immediately launch new projects, while cash flow and recruitment remain among their main concerns. Read more
 
Mortgage lending: rates rise to 3,31% and activity declines in August
Conjuncture
The average mortgage rate rose by three basis points in July and again in August 2026, according to the Crédit Logement/CSA Observatory. Faced with declining household creditworthiness, loans with terms of at least 25 years now account for nearly half of all new mortgages. Read more
 
Social housing: charges will reach an average of 300 euros per month in 2024
Accommodation
Tenants in social housing paid an average of €300 in monthly service charges in 2024, compared to €281 in the private sector, according to the overview by the National Agency for the Control of Social Housing (Ancols). Ancols, however, urges caution in interpreting this difference, as there is a lack of data allowing for a precise comparison of the effectiveness and nature of maintenance work. Read more
 
RE2020: Performance data for new buildings accessible as open data
Sustainable Development
The Ministry of Housing and Urban Development is making the data from the Observatory of Energy and Environmental Performance of New Buildings publicly available. Derived from regulatory certifications, this data will allow professionals, researchers, and public stakeholders to analyze the effects of the RE2020 regulation and the evolution of construction practices. Read more
 
Living in 2050: Geographer Guillaume Faburel advocates for a rebalancing between metropolitan areas and rural territories
Climate
In his book "Where to Live?", to be published on September 10, 2026 by Tana Éditions, geographer Guillaume Faburel examines the capacity of large cities to withstand climate crises and supply chain disruptions. He advocates for a gradual "de-metropolization," based on the relocation of activities and a demographic rebalancing in favor of certain rural areas. Read more
 
"Dare to Use AI" Plan: 35.000 companies made aware of AI in one year, 1.000 assessments announced
Artificial intelligence
One year after its launch, the government's "Dare to Use AI" plan claims to have raised awareness among more than 35.000 businesses thanks to 615 ambassadors. The government now aims to accelerate the operational deployment of artificial intelligence in SMEs and mid-sized companies, notably through 1.000 AI Data Diagnostics. Read more
 
Taxation: The SDI warns of the effects of a VAT increase on very small businesses
Organization News
Following a Senate report on mandatory levies, the Union of Independent Businesses and Very Small Businesses is warning against a reduction in employer contributions financed by an increase in VAT. According to the organization, this transfer could favor exporting companies while weakening tradespeople, shops, and local businesses, particularly in the construction sector. Read more
 
CSTB obtains Cofrac accreditation to certify products in contact with drinking water
News Organization by CSTB
Accredited according to ISO/IEC 17065, the Scientific and Technical Center for Building (CSTB) can assist manufacturers in obtaining European certification for their products to meet minimum hygiene requirements. These harmonized rules will apply to new products placed on the market from January 1, 2027, while a transition period is planned for those already possessing national conformity. Read more
 
SIBCA 2026: Record attendance and new tools for low-carbon real estate
Salon
The fifth edition of the Low Carbon Real Estate Show welcomed 15.257 professional visitors from September 1st to 3rd, 2026 at the Grand Palais, representing a 20% increase year-on-year, according to the organizers. Beyond this record attendance, the event highlighted climate adaptation, the circular economy, health, and the measurement of progress made by the sector. Read more
 
Manufacturers and Distributors
 
Kebony appoints two managers to accelerate its development in France
Appointment by Kebony
Kebony is expanding its French sales team with the arrival of Jean-Arnaud Pichon as Distribution Sales Manager and Quentin Ducos as Architectural & OEM Sales Manager. Pichon will develop the distribution network, while Ducos will focus on architectural specification and industrial partnerships. Read more
 
Clareo claims up to 85% energy savings through lighting renovation
News Manufacturer by lightening
While regulated electricity tariffs increased by an average of 2,5% (including VAT) on August 1, 2026, for eligible customers, Clareo is highlighting four lighting renovation projects. According to data provided by the company, the resulting reductions in consumption range from 68% to 85%, for annual savings of between €27.235 and €300.000. Read more
 
Oknoplast is launching the 2nd edition of its Best Installer Challenge, in partnership with the CSTB
News Manufacturer by Oknoplast
Building on the success of the first edition, OKNOPLAST is launching the 2nd edition of its Best Installer Challenge in partnership with the CSTB (Scientific and Technical Center for Building). This competition, unique in the joinery sector, is exclusively reserved for OKNOPLAST Premium partners. Read more
 
The Gedimat Concept Store network is expanding with three new points of sale
Distributor News by Gedimat
Launched in 2020 by the Gedicoop group, the Gedimat Concept Store brand continues its development with the opening of three new points of sale in Corsica, the Paris region and Brittany. Read more
 
Renovating in an occupied building: the real risk is no longer technical, it's human.
Developer News by Orisha Construction
In a context of massive acceleration in energy renovation and social housing rehabilitation, renovation in occupied buildings has emerged as one of the sector's greatest operational challenges. While the technical issues are well-known, one factor remains largely underestimated: communication with residents, which directly impacts adherence to deadlines, the quality of the work, and the overall success of the projects. Read more
Videos
 
Legendre customer interview | M99 Tower in Marseille
Video by GRAITEC
In this interview, Jérémy Juhel, head of the APC Structures group at LEGENDRE, shares his feedback on the design of the M99 Tower, one of Marseille's new iconic towers. Read more
 
Line 15 East seen from the sky, from Champigny Centre to Saint-Denis – Pleyel
Video
This video from the Société des grands projets offers a complete aerial overview of the route of the future Line 15 East of the Grand Paris Express. From Champigny Centre to Saint-Denis – Pleyel, it reveals the progress of the work on the new stations and the various engineering structures currently under construction. Read more
 
In Saint-Émilion, the Château de Pressac secures its energy budget with Engie
Video by Engie
Video interview with the owner of Château de Pressac, a historic estate in Saint-Émilion. Between temperature control of the vats, temperature control of the cellars and a fixed-price electricity contract, the estate seeks to reconcile wine quality with control of its energy costs. Read more
 
Melodik wood cladding: 7 profiles for endless possibilities!
Video by Piveteaubois
With Mélodik, PIVETEAUBOIS reinvents exterior wood cladding thanks to a range of 7 compatible profiles, designed to offer unprecedented freedom in wood facade design. Combine the profiles, play with textures and lines, and create unique wood facades with a decidedly contemporary character. Read more
 
Quick Tutorial for Building Technical Specifications Number 6 | Working together on the same project
Video by CSTB Editions
Discover in less than 5 minutes how to work together on the same project within the framework of a multi-user license, in the CCTP writing service: Bati CCTP. Read more
 
Port of Bonneuil-sur-Marne, an innovative platform for the recovery of materials
Video by Cemex
Discover the new Cemex recycling and recovery platform, located in the port of Bonneuil-sur-Marne. Equipped with cutting-edge technologies, this facility allows for the recovery of all incoming materials and the closed-loop recycling of process water. Read more
 
Climate 7000M – High-performance multi-split reversible air conditioning
Video by Bosch Home Comfort
The Climate 7000M is a versatile and high-performance technological solution designed to cool and heat multiple rooms in your home from a single outdoor unit. Combining high energy efficiency, connected control, and customized comfort, it guarantees an ideal indoor climate in every season. Read more
 
Notre-Dame de la Major Cathedral in Marseille
Video by Vinci
This video from VINCI Construction highlights the restoration and enhancement project at the Sainte-Marie-Majeure Cathedral (La Major) in Marseille. Carried out in particular with its subsidiary Bourgeois under the direction of architect Michel Trubert, the work focuses on the renovation of the roofs and framework, and the preservation of this exceptional historical monument. Read more
Products and Materials
 
Panasonic launches a ducted PACi NX unit capable of regulating up to five zones
New product by Panasonic
Designed for residential and commercial buildings, the new PACi NX multi-zone ducted air conditioner allows for independent temperature control of up to five spaces. Panasonic emphasizes integrated management, horizontal or vertical installation, and a power range of 7,1 to 14 kW. Read more
 
Modulow: an Alsatian response to the new challenges of construction
New product
What if a house could evolve with the lives of its occupants? This is the challenge of Modulow, a new modular wood construction concept conceived in Alsace by architect Mickaël Coiffier and developed with Établissements Lutz, specialists in timber framing since 1958. Read more
 
New generation of Resisto waterproof luminaires from Sylvania Group: optimized technology, unchanged reliability
Evolution produced by Sylvania Group
Contributing to the European Union's sustainable development goals, the Energy Performance of Buildings Directive (EPBD) aims to make the building stock carbon neutral by 2030. In France, it has resulted in the Energy Transition for Green Growth Act as well as the Tertiary and BACS decrees. Read more
 
DOM-Ronis expands its range of electronic keypad locks with the E10-Plus: an even more robust, stylish, and versatile model
Range evolution by Dive
Specializing in the protection of objects against theft and burglary, DOM-Ronis already has a wide range of solutions to secure all types of furniture (lockers, changing rooms, storage units, etc.) for all applications. Read more
 
Blocking up to 98% of heat, the Bioclimatic Slat confirms its excellence in solar protection
Zoom produced by Geplast
The Bioclimatic Slat® has established itself as one of the most effective solar protection solutions on the market. Now classified as Class 4 according to NF EN standards and CSTB tests, it blocks up to 98% of heat with standard glazing. This performance places it well above a traditional blind (Class 3) or an adjustable sunshade (Class 2), while preserving natural light, ventilation, and occupant comfort. Read more
 
Projects and Achievements
 
Brownfields and Bouygues Immobilier will transform 14 Engie sites into mixed-use urban projects.
Project by Bouygues Construction
Brownfields and Bouygues Immobilier plan to redevelop 14 former Engie sites across France, as part of a larger project encompassing 236 assets. Developed jointly, the future projects are expected to comprise approximately 3.400 housing units and 215.000 m² of floor space, with the first units slated for completion starting in 2029. Read more
 
Decarbonization of Fos: Industrialists urge the State to accelerate the high-voltage power line
Construction site
Economic representatives from the Provence-Alpes-Côte d'Azur region fear that delays surrounding the future Feuillane-Jonquières high-voltage power line could jeopardize several industrial projects. They cite potential investments of up to €15 billion, while the route remains controversial due to its environmental and landscape impacts. Read more
 
In Toulouse, five former tennis courts have been transformed into a sports and green park.
Realization by Spie batignolles
In the Saint-Martin-du-Touch district, five disused tennis courts have been transformed into a park combining planted areas, play areas, and sports facilities. Scheduled for completion in June 2026, the project also makes use of the asphalt and fencing removed during construction. Read more
 
In Ervy-le-Châtel, a former tourist site is being transformed into a village of 22 wooden cabins
Achievement
Nutchel opened its third European forest village in July 2026 on the former municipal campsite of Ervy-le-Châtel, which had been closed since 2023. Representing nearly 3 million euros of investment, the conversion of this 4-hectare site is accompanied by the creation of ten local jobs. Read more
 
In Bussy-Saint-Georges, the first traditional Hindu temple in France is consecrated
Achievement
Some 7.000 worshippers from several countries attended the consecration of the BAPS temple in Bussy-Saint-Georges, Seine-et-Marne, on Sunday, September 6. Characterized by its domes, spires, and sculpted stones, the religious building is located on the Esplanade of Religions and Cultures. Read more
Products of the week

Eco-responsible and natural flooring

Connected nest boxes for all bird species

Security expandable barrier

Rectified concrete block for floor construction

JDM Expert

Nat'H

France

Technibloc

Insulating crawl spaces with the Q-BOT robot and artificial intelligence

Tiled washbasin top

Modern and designer fireplace

Global management platform for building security and operations

Fleece insulation

Schluter Systems

Seguin

Deemply
 
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