ANDREAS REEG

ANDREAS REEG

Founder
Dipl. Ing. Architect (BDA / AKB / ARB)

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MARC DUFOUR-FERONCE

MARC DUFOUR-FERONCE

Founder
Dipl. Ing. Architect (BDA / AKB)

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Who we are

rundzwei is a modern architectural office by the two founders Andreas Reeg and Marc Dufour-Feronce. rundzwei considers Research and Design as two central parameters for a sound sustainable and modern architectural understanding, which combines space, materiality, resources, local history and natural environment with a sophisticated design.

 

Before founding rundzwei Marc Dufour-Feronce and Andreas Reeg held leading positions working for international renown offices such as Herzog & de Meuron, LAB architecture studio and ACME in, Switzerland, the UK and the UAE. The project experience ranges from masterplans, housing towers, museums and exhibition spaces, shopping centres to residential units.

 

rundzwei consist of a team of architects and Engineers in freelance and full-time employment, which sketch, design, research, plan and control. Together we accomplish architecture with character and high quality.

 

Agata Klein, Ana Domenti, Andrian Fernandez, Anastasiya Kozina, Alexandru Isan, Asya Güney, Claudius Pompe, Constantin Blömer, Deborah Matter, David Lau, Enrique Mesia, Francesco Lattanzio, Gesa Falkenburg, Hannah Clemens, Hanna Reckenthäler, Hanna Witzorkiwitz, Isabel Karge, Italo Celiento, Irene Modica, Jakub Spaniel, Johann Göhler, Johann von Weiss, Jasper Chapele, Katarzyna Cichecka, Katarzyna Maliszewska, Karim Omar, Kejwan Gross, Lillie Ritter, Lou Pelosoff, Luca Di Carlo, Leonard Goldenbaum, Magdalena Baraniak, Mareike Beumer, Marielena Hickmann, Michelle Bähr, Miriam Lopez, Miriam Wierzchoslawska, Paolo Bradicic, Pavlo Zabotin, Paulin Sensmeier, Raimon Espasa Bou, Roberta D'Alessandro, Rosa Ehrlich, Shadi Zaghloul, Sophie Dufour-Feronce, Sunghoon Go, Sophia Hölscher

What we believe in

rundzwei believes that contemporary architecture depends on the development of coherent design concepts which work not only on paper, but even more so in reality. Our design concepts are the product of a thought-through research process which integrates space, materials, local history and contexts. While we aim to contextualise architecture we challenge the existing, reinterpret modernity and explore the unexpected. rundzwei filters and focuses the relevant potentials and qualities of each project to create innovative and unconventional solutions in a new contemporary form. This leads to unexpected concepts that often go beyond the scope of the actual brief and positively affect and enhance the final goal of each project and client.

We believe that sustainable architecture starts with the concept and should not exclusively rely on costly ex-post technical solutions. Therefore rundzwei integrates architectural solutions to reduce energy consumption and heat gain into the design concept of the built environment before enhancing them through technology.

What we offer

rundzwei works on a broad range of projects from all fields of contemporary architecture, urban planning, interior and product design. Through our conceptual and research based design approach we have become the perfect partner for densification on complex sites in urban areas. We are working with private, corporate and public clients and offer the full spectrum of design services. The conceptual design strength of rundzwei is rounded up through an extensive network of partnering offices and consultant firms which enable us to offer the full spectrum of architectural services from feasibility studies, concept design, energy consultancy through to construction management, documentation, sales brochures and websites. By collaborating with foreign architectural and engineering offices we ensure that the high quality of our concept and design for international projects is realised up to the built project and beyond. This way every client’s individual needs can be satisfied through our trusted network.

 

Schematic Design

We offer researched based concept driven architecture and work in close exchange with our clients. Together with the client we form the brief and the parameters of each individual project. Our designs are informed by local references, user group studies, sustainability, materiality as well as cost efficiency and local regulations.

 

Design Development

The first interpretations of the clients brief are deepened and the concept strength enhanced by further development and collaboration with the client and the authorities. We offer all design services up to the planing application. On international level we tend to team up with specialist partners from our broad network of collaborators depending on location and size of the project.


Construction Documents

We offer the full range of construction documents on a national level. For large scale projects and on international level we collaborate with specialist partners.


Tendering and Construction Supervision

For smaller projects we are the perfect partner to provide tender documents and specifications. We help the client with the tendering and contracting of construction firms and control the correct execution on site.

For larger projects this phase is covered by our partnering offices or by the clients choice of main or general contractor. rundzwei offers the architectural site supervision and oversees the tender process.


Joined Private Client Projects "Baugruppen"

rundzwei offers service for private client groups that enable the realisation of large scale housing and social projects. We help in the formation of the groups and their members, offer advice on site acquisition and make first feasibility studies. After formation of the group and the acquisition of a site rundzwei offers the full spectrum of architectural services to these “Baugruppen”.

Who we work with (employees and collaborators)

Together with LOOM for all topics around digital & media and Stoffers/Steinicke as full blood designer we share our 800m² creative Loft-Office, the Entrance B. This generates a perfect symbioses of design lovers and enables us to provided services to our clients beyond the architectural scope.

Where we work (office impressions)

  • 02 Feb 2023

    Iceberg BOTY 2023

    Iceberg BOTY 2023

    Our Project Iceberg has been nominated for the archdaily Building of the Year Award 2023. 

  • 23 Jan 2023

    HIDDEN GARDEN HOUSE

    HIDDEN GARDEN HOUSE

    On the site in Berlin-Lankwitz, an existing villa was to be complemented by a garden house in an unobtrusive manner. The exterior design of the semi-recessed new building is based on the surrounding small tree population. 

  • 23 Jan 2023

    MOVING DAY AT TIMBER HAT

    MOVING DAY AT TIMBER HAT

    After 2 years, the time has finally come: the first users of our timber hat are moving into the new building in Rottenburg. Ergenzingen.

  • 30 Sep 2022

    Award for Pergola House

    Award for Pergola House

    Pergola House awarded at Houses of the Year Award 2022.

  • 09 Sep 2022

    HM Pergola House

    HM Pergola House

    The Pergola House received a Honorable Mention at the IAA 2022.

  • 28 Mar 2022

    CALL FOR DONATIONS

    CALL FOR DONATIONS

    On this occasion, we call on you to support the Ukrainians and to follow the appeal for donations by ARD and Aktion Deutschland hilft!

  • 10 Mar 2022

    Timber Hat

    Timber Hat

    The wood is here and it's about to go fast!

  • 10 Mar 2022

    DA!

    DA!

    From 12 March to 9 April, the DA! Exhibition - Architecture in and from Berlin of the Berlin Chamber of Architects is taking place.

  • 06 Mar 2022

    Am Birkenwäldchen

    Am Birkenwäldchen

    Four terraced houses in wood-straw construction. 

  • 03 Mar 2022

    The "Patiodach"

    The "Patiodach"

    The roof extension becomes elegant due to its enormous room height and narrow width. 

  • 31 Jan 2022

    The Depth of the Surface

    The Depth of the Surface

    On Tuesday, February 1, Andreas Reeg will give a short lecture on "Surfaces - ecological, functional, emotional" as part of AiT's Dialog nach 6 series.

  • 19 Jan 2022

    H&G Construction Progress

    H&G Construction Progress

    The roof structure of the hall of the new factory and office building span over 18 meters. 

  • 16 Nov 2021

    CO2-Neutral Housing

    CO2-Neutral Housing

    The CO₂-neutral housing estate is the result of an intensive analysis of the existing structures.

  • 20 Aug 2021

    H&G Construction

    H&G Construction

    The 78 by 36 meter base plate of our Timber Hat is currently being reinforced and can then be poured. 

  • 15 Feb 2021

    rundzwei in 6th place!

    rundzwei in 6th place!

    rundzwei is among the six best residential construction offices in the construction network ranking!

  • 15 Jan 2021

    Construction start timber

    Construction start timber

    Our 4,900m² project near Stuttgart is in full swing.

  • 24 Dec 2020

    Merry Christmas

    Merry Christmas

    and a Happy New Year wish rundzwei architects.

  • 25 Sep 2020

    The Iceberg at bba

    The Iceberg at bba

    Click here to read the full article.

  • 26 Aug 2020

    PropertyCom 2020

    PropertyCom 2020

    On 26.08.2020 our office directors Andreas Reed and Marc Dufour-Feronce took part in an conference organized by the PropertyCom community in Zurich. In this event they had the chance to talk about one of the most singular projects of our office and the award-winner, Cork Screw House.

    If you wanna find out more about the project, click here.

  • 13 Aug 2020

    Iceberg_Longlisted Dezeen

    Iceberg_Longlisted Dezeen

    We are happy to announce the longlisting of our project The Iceberg for the Dezeen Awards in Housing Project category.

  • 28 Jun 2020

    Tag der Architektur 2020

    Tag der Architektur 2020

    The Open Doors’ day, planned on June 27th at 14:00-18:00 will be cancelled, due to the Pandemic.
     
    The Pfeddersheimer Weg 6 construction site visit, which will take place on June 28th, will continue as planned.

  • 15 Jun 2020

    DAM Award 2021

    DAM Award 2021

    We are happy to announce the nomination of our project “the Eisberg“ to the DAM Awards 2021. A prize that has been awarded to outstanding buildings in Germany over the years.
     
    Within weeks, the juri will shortlist a selection of 20 projects among which we hope our project to be.

  • 12 Jun 2020

    Heinze ArchitektenAWARD

    Heinze ArchitektenAWARD
  • 11 Jun 2020

    ArchitekturePreis Berlin

    ArchitekturePreis Berlin

    We need your help at the public voting!


    Vote for us!

    Click here to vote.

  • 04 May 2020

    FIRST LOOK AT OUR LATEST

    FIRST LOOK AT OUR LATEST

    Our most recent construction project is a refurbishment and extension of a single family house located in Spandau, Berlin.

  • 16 Apr 2020

    PW6 topping-out in corona

    PW6 topping-out in corona

    As tradition demands, we celebrated the topping-out last Thursday, April 16.

  • 15 Apr 2020

    Home Office

    Home Office

    Our office looks good when it’s empty, doesn’t it?

  • 13 Apr 2020

    PW6 KEEPS GOING!

    PW6 KEEPS GOING!

    Despite the current pandemic, the timber construction is progressing in fast forward!

  • 23 Mar 2020

    #WESTAYATHOME

    #WESTAYATHOME

    For prevention and responsibility, the rundzwei Architekten team has decided to switch to remote work and is already set up and fully operational. Our activities continue as usual.
     

  • 19 Mar 2020

    PropertyCom 2020

    PropertyCom 2020

    We are pleased to announce our participation in the PropertyCom 2020 talk program where, under the motto “Bauen gegen den Klimawandel: Verantwortung für mehr Lebensqualität” we will talk about cork as a sustainable building material and the specific use we make of it in relation to our home Cork Screw House, a residential building in Berlin.

  • 07 Mar 2020

    ARCHITEKTUR IN/FROM BER.

    ARCHITEKTUR IN/FROM BER.

    From 7 mars until 4 april 2020 will take place for the 21st time, the exhibition “da! Architecture in and from Berlin ”. 60 selected projects with diverse and creative solutions will be exibited in the stilwerk Berlin.
     
    We are glad be selected for the exposition with one of our most recent projects and would like to encourage you all to visit the exibition. The access is free.

  • 07 Feb 2020

    German Design Awards 2020

    German Design Awards 2020

    The winners of the German Design Award 2020 will be honored at the award ceremony on February 7, 2020, on the opening day of the Ambiente trade fair in Frankfurt am Main.
     
    After the award ceremony, all visitors are invited to visit the winning exhibition “Excellent Architecture”: In the Museum Angewandte Kunst, Frankfurt am Main. Opening on February 7th at 6 p.m. Open from 07.-23. February 2020.

  • 20 Dec 2019

    Merry Christmas

    Merry Christmas

    We would like to say thank you to our clients, colleagues and friends for the successful year. 
    We wish you a Merry Christmas and a Happy New Year!

  • 22 Nov 2019

    German Design Awards 2020

    German Design Awards 2020

    The German Design Award only prizes projects which truly represents pioneering contributions to the German and international design landscape. Therefore we feel very proud of, not only winning this prize but getting the gold qualification that represents the best of its category!

  • 04 Nov 2019

    Surface Design Awards

    Surface Design Awards

    The Cork Screw House is selected as one of the 39 finalists in the global competition in two different categories, “housing exterior” and “housing interior”.
     
    This award recognise and celebrate the best use of innovative surface materials in architecture and design from across the globe.
     
    The winners will be announced during the Surface Design Show at London’s Business Design Centre on 13.02.20.

  • 21 Oct 2019

    BDA_Evening conversation_

    BDA_Evening conversation_

    Last week, on the occasion of our recent incorporation to BDA, we went to the “Deutsches Architektur Zentrum” as speakers to talk about rundzwei, its origins, best known projects and the future that lies ahead.

  • 17 Oct 2019

    The construction of PW6 h

    The construction of PW6 h

    We are happy to announce that few weeks ago started the construction of one of our latest projects located in Berlin.

  • 16 Oct 2019

    NEW IN THE CLUB

    NEW IN THE CLUB

    Due to our recent affiliation with the BDA, we have been invited as speakers to an event on 16.10.2019 where we will talk about the work of our firm regarding different topics with Elena Potratz, editor of the magazine “der architekt” .
    This event will be held in the German Architecture Centre (DAZ) at 7:00pm.

  • 11 Oct 2019

    House of the year 2019

    House of the year 2019

    We are proud to have been selected among the 50 best single-family houses of the year 2019 with our Cork Screw House.

  • 04 Aug 2019

    We are training now!

    We are training now!

    Since few weeks, we have incorporated a new member, from Syria, as an apprentice into our team. In the next years he will learn at rundzwei the profession of draftsman!

  • 08 Jul 2019

    Dezeen Awards 2019

    Dezeen Awards 2019

    We have the honor of being longlisted with our Cork Screw House for the house of the year within the category Urban house.
     
    The projects will be judged by leading architects like Frida Escobedo and Sou Fujimoto and the results will be announced in September.

  • 30 Jun 2019

    Canceled visit

    Canceled visit

    Unfortunately, for reasons beyond our control, the visit to the Cork Screw House, scheduled for Saturday June 29 at 12:00 and at 13:00, has been cancelled, we apologize for the inconvenience.
     
    On the other hand, we are still offering the tour of the project located at Wilhelmshavener Straße 66 at 12:00 and at 13:00 on Sunday, one of our most recent finished projects.
     
    Looking forward to seeing you there!

  • 26 Jun 2019

    materialPRIZE 2019

    materialPRIZE 2019

    After the nomination of the Cork Screw House for the material competition, last Wednesday June 26th we attended the awards ceremony in Stuttgart where we achieved a very satisfactory second prize.

  • 05 Jun 2019

    Construction in change

    Construction in change

    Last June we were invited to the eighth event promoted by Brüninghoff, under the name “Construction in change”, aimed to shed light on current challenges and future changes in the construction industry and providing solutions.

  • 24 May 2019

    Pecha Kucha (20x20)

    Pecha Kucha (20x20)

    Twenty images and twenty seconds of explanation for each of them (20x20). This is the premise of Pecha Kucha, a direct way to present “without ornamentation”, getting to the point.

  • 17 May 2019

    MaterialAward 2019 winner

    MaterialAward 2019 winner

    Our Cork Screw House is winner in one of the three categories material, application and material usage of the MaterialAward 2019. To keep the tension high, the exact placing and the category will be announced at the gala event on the 26th of June 2019 in Stuttgart, Germany.

  • 07 Apr 2019

    rundzwei accepted to BDA

    rundzwei accepted to BDA

    We celebrate with our two principales who have been affiliated with the Federation of German Architects (BDA).  It is a high recognition for the quality architecture that we try to deliver every day.

  • 04 Apr 2019

    Living Forum 2019 Talk

    Living Forum 2019 Talk

    Andreas Reeg of rundzwei was invited to speak at the Living Forum 2019 in Praha about sustainable and modular construction. The Cork Screw House and the Wilhelmshavener Straße were received with great interest.

  • 19 Dec 2018

    Merry Christmas 2018

    Merry Christmas 2018
  • 23 Nov 2018

    035_FACADE COMPLETE

    035_FACADE COMPLETE

    The facade's panels of our Berlin-Moabit project have been entirely installed.

  • 20 Nov 2018

    SCREW IT Lecture

    SCREW IT Lecture

    Rundzwei lecture at TU Braunschweig

  • 23 Oct 2018

    Topping out ceremony

    Topping out ceremony

    Rundzwei celebrated the topping out ceremony in the Hausburgstraße.

  • 01 Oct 2018

    7th Cork Confernce

    7th Cork Confernce

    Anderas Reeg presents corc screw house in Lisbon.

  • 10 Sep 2018

    Aluminium facade grows...

    Aluminium facade grows...

    The facade caldding of the Wilhemshavener Straße project is being mounted.

  • 08 Jun 2018

    Make City Festival

    Make City Festival

    Rundzwei was this year at MakeCity Berlin with 035_WHS66 and 042_LivingSpiral.

  • 02 May 2018

    035_construction progress

    035_construction progress

    Prefabricated timber elements were assembled at the fassade.

  • 26 Apr 2018

    Cork shell completed

    Cork shell completed

    The cork cladding of the cork screw house is finally completed.

  • 11 Apr 2018

    042_Countdown

    042_Countdown

    The final countdown for the last work on our project 042_Korkenzieher Haus is running.

  • 23 Feb 2018

    Fassade elements

    Fassade elements

    The prefabrication process of the facade elements for our project 035_WHS66 started.

  • 16 Jan 2018

    rundzwei @ "MakeCity"

    rundzwei @ "MakeCity"

    From June 14th to July 1st 2018 rundzwei was at "Make City Berlin - das Festival für Architektur & Andersachen"!

  • 22 Dec 2017

    Happy Hollidays 2017

    Happy Hollidays 2017

    rundzwei wishes you a Merry Christmas and Happy New Year 2018!

  • 18 Dec 2017

    Cork installation

    Cork installation

    The installation of the cork facade on our project 042_Living Spiral has started!

  • 08 Dec 2017

    035_Topping out ceremony

     035_Topping out ceremony

    We celebrated the end of 2017 with the topping out ceremony of our project 035_WHS 66 in Moabit.

  • 03 Nov 2017

    042_Topping out ceremony

    042_Topping out ceremony

    We are happy to announce that the topping out ceremony of our project 042_Living Spiral has taken place.

  • 27 Oct 2017

    033_Topping out ceremony

    033_Topping out ceremony

    We had the "topping-out" ceremony for our project in Berlin Nikolasee!

  • 19 Sep 2017

    Progress of 042_LS

    Progress of 042_LS

    The timber structure of the 042_Living Spiral took its right place and was prepared to be clad in cork!

  • 11 Aug 2017

    FIRST TIMBER FLOOR IN WHS

    FIRST TIMBER FLOOR IN WHS

    The first timber floor from our building in Wilhelmshavener Str. (Moabit) was done.

  • 28 Apr 2017

    Conversion in Nikolassee

    Conversion in Nikolassee

    The roof conversion of a 19th century in Berlin-Nikolassee has started. The roof is being transformed into a a modern spacious loft apartment.

  • 14 Mar 2017

    Projects publication

    Projects publication

    You can find our projects 042_Corkscrew House and 022_LightCloud now published in the book "Berlin Design Digest".

  • 10 Feb 2017

    Conversion in Mariendorf

    Conversion in Mariendorf

    Our house conversion project began to take shape.

  • 24 Jan 2017

    Topping out ceremony

    Topping out ceremony

    We had the 'Topping out' ceremony of our project in Samariterstraße! 

  • 10 Jan 2017

    PROJECTS PUBLICATION

    PROJECTS PUBLICATION

    042_Corkscrew house and 022_LightCloud publications in Berlin Design Digest 2017.

  • 13 Dec 2016

    Aufgang B Metamorphosis

    Aufgang B Metamorphosis

    The 4th floor of Aufgang B is in a metamorphosis process. More on the renovation to come here soon.

  • 29 Sep 2016

    Conference Cork in Lisbon

    Conference Cork in Lisbon

    rundzwei was invited to participate on the 6th International Cork Conference in Lisbon. 

  • 03 Jun 2016

    WERKSCHAU 2016

    WERKSCHAU 2016

    During the 2016 Nachtschicht - Berlin Design Night -  we showed our exhibition "runzwei - Models in Progress".
     

  • 01 Apr 2016

    Opening of GYNAEKOLOGIKUM

    Opening of GYNAEKOLOGIKUM

    The GYNAEKOLOGIKUM opened its doors on April 1st.

  • 01 Jan 2016

    A Happy New Year

    A Happy New Year

    rundzwei wishes a Happy New Year!

  • 23 Nov 2015

    ARCARDIS Büroausbau

    ARCARDIS Büroausbau

    rundzwei is apointed to design the new headquater of Arcardis Berlin. 2600m² office space will be created. More to come soon.

  • 21 Oct 2015

    8000m² residential

    8000m² residential

    We have made the final presentation for our 8000m² residential invited competition proposal.

  • 24 Aug 2015

    LightCloud Prototype

    LightCloud Prototype

    The 2nd prototype of the LightCloud selection, the H2O2-molecule has been finished and as given us further insight for optimisation. 

  • 12 Jun 2015

    Design Night 2015

    Design Night 2015

    rundzwei participated at the 2015 NACHTSCHICHT - BERLIN DESIGN NIGHT.

  • 23 Mar 2015

    S82 at day of architectur

    S82 at day of architectur

    S82_a modern treetop house was selected for the national day of architecture 2015.

  • 23 Dec 2014

    Happy New Year 2014

    Happy New Year 2014

    We thank all our clients and collaborators for the trust and joint work in 2014.

  • 25 Nov 2014

    S82 Grand Opening

    S82 Grand Opening

    rundzwei is glad to anounce the grand opening of our S82 Project.

  • 30 Apr 2014

    S82 takes on shape

    S82 takes on shape

    The steel frame flew in by crane. For the first time the dimensions of the new roof were shaping.

  • 14 Apr 2014

    rd2 shortlistet for TAZ

    rd2 shortlistet for TAZ

    rundzwei was selected as one of 7 young offices out of 310 applicants to design a new headquarter for the German Newspaper TAZ.

  • 03 Apr 2014

    ODEEH Opening at BIKINI

    ODEEH Opening at BIKINI

    rundzwei has completed its works on the first ODEEH Store in Berlin.

  • 19 Jun 2013

    1. Price for rundzwei

    1. Price for rundzwei

    rundzwei has won the 1. prize in an international architectural competition in the ME.

Close

rundzwei Architekten Reeg&Dufour PartGmbB

Goethestraße 2-3
Staircase B
10623 Berlin
Germany

T +49 30 202 376 45
F +49 30 202 376 45 9
info[at]rundzwei.de
www.rundzwei.de

Current Job offers at rundzwei

iwannabe[at]rundzwei.de

Junior Architect (m/f)

rundzwei is always looking for talented and enthusiastic young architects. We are looking for junior architects fresh from university or with 1-2 years work experience for a range of design and execution projects. Please send your meaningful application in form of a project portfolio (not larger than 5MB) to iwannabe[at]rundzwei.de. We are awaiting your application with anticipation!

Office Assistant (m/f)

rundzwei is looking for a office assistant preferably with BA background for a full-time position. Your tasks are among others the office management, salary accounting and assistance to the office owners. You have 2 years work experience within other architectural offices then send us your meaningful application to iwannabe[at]rundzwei.de. We are looking forward to your application!

Team Leader / Project Architect (m/f)

rundzwei is looking for architects with at least 4-5 years work experience. Ideally you have been leading a project from concept design, through planning up to and through construction phase. You are creative and you like special solutions, you are interested in detailing then send us your meaningful application with work samples (not larger than 5MB) to iwannabe[at]rundzwei.de. We are looking forward to receiving your application!