Winner! Headquarters of the Angevin Group and social housing and accession program

Winner! Zac of the docks eco-district, Saint-Ouen

Winner! “Oasis 18”, Zhengzhou, China

Winners! Arsenal eco-district Lot 4 Canal, Dijon

Delivered ! Îlot Baignade, Alfortville

PC Obtained ! “Le cabanon idéal”, Marseille

Château Septfontaines, City of Luxembourg 

International Competition, Songdo Library, Inchéon

Under construction! Mixed-use building, Lorient

Delivered ! Ilot KZ, ZAC Centre Urbain, Evry

12 October 2023

Visit to the Métamorphose construction site

Teams from Groupe Giboire and the agency present the project to a number of people, including Jean-Marc Verchère, Mayor of Angers and Chairman of Angers Loire Métropole. The structural works will be completed in early December.

27 September 2023

France 3 Régions at the Alta Tower

France 3 Régions visited the Alta Tower with Gaëlle Hamonic.

27 September 2023

76actu documents the end of the construction

76actu takes you on a tour of the Alta tower, few weeks before its delivery.

13 June 2023

Hamonic+Masson & Associés about the Grand Paris – Falstaff Living

26 May 2023

Rosa Parks on Archdaily

Delivered in 2021, this project affirms the desire to engage in a dialogue with its surroundings with the aim of initiating a new way of living together.

See more photos of the project on

24 May 2023

The end of a major stage for our Alta Tower

Following the completion of the structural work, the crane has been removed. The next step: delivery scheduled for the end of 2023.

Read more: The end of a major stage for our Alta Tower

The tower embodies the modern spirit of the city of Le Havre, an architectural adventure on the scale of its original history: a city built to discover new territories.

At 55 meters high, it will house 69 housing units, a 60-bed kindergarten and a car park.

Vidéo by @Lehavresansfiltre on Instagram.

Partners : Project manager: SOGEPROM
Groupe Legendre

10 May 2023

Golden Cube in Boulogne Billancourt on Divisare

Delivered in 2015, standardization, self-regulation and maximization of interior space were the guiding principles of these student residences.

A look at the project on Divisare.

25 April 2023

End of the structural work, Alta, Le Havre

Event in Le Havre this week.

To celebrate the end of the structural work, all the members of the Alta project met for half a day in Le Havre. We were surrounded by all the teams of Legendre Construction and SOGEPROM. We would like to thank all the everyone who worked to bring this tower out of the ground.

Read more: End of the structural work, Alta, Le Havre

The end of the first stage of construction allows us to show you some exceptional photos of this unique tower, both by its shape and by its immediate architectural context. It stands next to Auguste Perret’s rebuilt center (with its City Hall and St. Joseph’s Church) and Oscar Niemeyer’s Volcano.

See you at the end of November for the delivery of the 69 housing units + parking lot and the crèche.

Congratulations and thanks to all our partners!

18 April 2023

End of the structural work, Emblem, Lille

Read more: End of the structural work, Emblem, Lille

The whole team, along with Icade, Groupe Duval, Nord France Construction, Redcat Architecture and Hexa Ingénierie were gathered to celebrate the end of the first phase of construction.

At the meeting point between roadway and railway infrastructure, as well as the Matisse park, our Emblem project will become a new entrance to the city of Lille. The program consists of 118 apartments, 9 000 m² of office space and parking.

8 April 2023

Part of the 25 best architecture firms in France by Archello

28 November 2022

Jean-Christophe Masson intervened as a major witness during the Estates General of Housing in Marseille

13 September 2022

New office in Marseille

8 September 2022

Article on the progress of the construction site in Le Havre of the ALTA tower

8 September 2021

Publication / Restructuring and extension of the courthouse in Douai

6 September 2021

Publication / ‘working environments, spaces of productivity’ of the Courthouse Douai

26 May 2021

Launch of the Metamorphosis project

May 25, 2021, first stone for the launch of the construction site of our “Metamorphosis” project in the presence of the Mayor of Angers, Mr Christophe Béchu and the Chairman of the Giboire group, Mr Michel Giboire.

20 January 2021

Écoute Magazine / Paris ville moderne

9 June 2020

Publication / HUELLAS 09 MAGAZINE / The Catholic University of Columbia

28 January 2020

Publication Limassol Tower/Tall Buildings, Issue 3 /19, Moscow Russia

18 November 2019

Contribution to the Biennale of architecture of Pisa

9 September 2019

Conferences in Colombia

As part of the Works 2019 programme organized by WorksHub, Jean-Christophe Masson is invited to Colombia from 23rd-26th September 2019 to give 4 conferences in Bogotá and Medellín, 2 of which will take place in the Javeriana and Santo Tomás Universities.

9 September 2019

Publication / Domus september 2019

6 May 2019

Conference at the Universidad Politécnica de Madrid

As part of the MCH: Master in City & Housing, Jean-Christophe Masson is invited to give a conference at the Universidad Politécnica de Madrid on 20 May 2019.

14 February 2019

Parution de “L’Entre-Deux : Appartenance vs Identité”

14 February 2019

Publication of “Marina Baie des Anges”

30 January 2019

Inauguration of Urban Quartz, Rennes

The office and retail space measuring 14 000m2 is the first building to be completed in the new EuroRennes district. The project was inaugurated by Nathalie Appére, the mayor of Rennes and Emmanuel Couet, president of Rennes Metropole on 30th January.
Lead architect : Hamonic+Masson & Associés, associated architect : a/LTA.

30 March 2018

Japan Foundation – Usages

We have been invited by the Japan Foundation to present “Usages / subjective and factual analysis of public space” in the Japanese pavillon at the 2018 edition of the Venice Architecture Biennale (commissaire : Momoyo Kaijima, Laurent Stalder et Yu Iseki). This study, lead by David Trottin of PERIPHERIQUES / Marin+Trottin Architectes and Franck Tallon, is the result of various workshops carried out in large international cities: Tokyo, Mumbai, Paris, Lima, Shanghai…

21 February 2018

Audacious act of architecture

The mayor of Le Havre reveals the Videcoq project

29 November 2017

Conference in New York

Jean-Christophe Masson participated in the conference “Innovative Housing: France/Denmark” with Jens Holm, partner of the 3XN US office. The debate was moderated by University of Columbia professor Brian Loughlin and took place on 29th November at the AIA New York Center for Architecture, 536 LaGuardia Place, NY 10012.

8 September 2017

Dezeen x MINI living

Jean-Christophe Masson took part in the ‘Dezeen x MINI living talk’ : Innovation // Réinventer Paris. Click on the logo to watch the discussion.

23 May 2017

WAN Urban Challenge, London

Jean-Christophe Masson participated in the New Urban Task Force and Symposium organized by World Architecture News alongside a group of visionaries in order to brainstorm and propose solutions to the ever present issue of London’s housing crisis.

22 July 2016

Symposium in Sydney

As part of the international symposium “Design Speaks: Housing Futures”, Architecture Media invite Jean-Christophe Masson and Gaëlle Hamonic to Sydney on 22nd July 2016. The event will be held at the Eternity Playhouse, 39 Burton Street, Darlinghurst NSW.

20 April 2016

Conference in Montreal

As part of their “MasterClasses” series, Index Design invited Jean-Christophe Masson to Montreal to give a conference entitled “height in construction : for or against?” on 20th April 2016. Click to see photos.

13 November 2015

Symposium in Vienna

IG-Architektur invited Jean-Christophe Masson and Gaëlle Hamonic to participate in the
“LESS QUANTITY. MORE QUALITY?” international symposium in Vienna on 13th November 2015. Location: Kuppelsaal – Technical University of Vienna – Karlsplatz 13, 1040 Vienna.

21 October 2015

Conference in Shanghai

As part of the “New Force of Architecture Leading Young Architects” lecture series, Jean-Christophe Masson was in Shanghai to give a conference on architectural heritage on 30th October. He is the first French person to have participated in this series, which ran from 2013-2015.
Date : 30th October 2015
Lieu : Ablues Design Exhibition Auditorium, 191 Jiangchang 3rd Road, Zhabei, Shanghai.