orthner orthner & associates

May 2022

Afro-Style Architektur


Interview with Rosemary and Martin Orthner in one of Austria's biggest design magazines

Writer: Robert Haidinger

March 2022

Nation Buildings Accra

Monocle Magazine

Architects are using their craft to give Ghana an optimistic narrative fit for the 21st century. Can they ‘ignite the ambition of a country’?

Writer: Ed Stocker



Nov 2021


DOM Publishers

World Bank / IFC Building

We are really proud to be part of it!

Our World Bank/IFC Head office building in Accra, which we did with Co-Arc International Architects and ARUP really deserves to be included!

28 Sept 2021


Mr Daniel Krull, German Ambassador to Ghana on his part commended the government for its transformation agenda which included the digital drive to make GRA a top government institution.
He expressed the hope that the centre would serve as a motivation for staff to put in more effort to efficiently and effectively collect the needed tax.
Ms Rosemary Orthner, a member of Orthner & Orthner & Associates, architects for the project said the centre was carefully designed to serve its purposes while taking into consideration Ghana’s climate and environmental issues.


April 2021
orthner orthner & associates 

 Setting the standard for sustainable and affordable buildings in Ghana.


March 2021

 An introductory look into seven African women in architecture and the work that they are bringing to the table. 

 Archives of Women Artists, Research and   Exhibitions

Dec 2020

For three generations of women born between Ghana’s independence in 1957 and the turn of the century, architecture has served as an unparalleled incubation platform for worldforming possibilities.


June 2020
Legon City Lofts

The Legon City Lofts is a beautifully crafted piece of architecture that gives a Eurocentric feeling but at the same time responds to the demands of its tropical context.

April 2020

Business News from ADVANTAGE AUSTRIA
Austrian Embassy, Commercial Section.

March 2020
Domus Magazine

OOA is featured in this years edition of Domus 50 best architecture firms 2020, with the focus on identifying the world's 50 most creative, interesting and promising emerging architecture practices! We are very excited to be picked and to be amongst the very few chosen from Africa...

January 2020
The Architect's Newsletter

issuu link

Legon City Lofts was featured as the "Project of the Month" in the Architect's Newsletter, Ghanas first architectural journal.

14. December 2019
Book Launch and Panel Discussion @ Nubuke Foundation

issuu link

As in many other places in Accra, original structures and settlements are sold to developers and the life and charm of these "villages" in the city are lost forever. ELPF analyzes Abotsiman in East Legon, its history and its people and is a basis for designers and planners to revive such structures.

A joint project between [applied]
Foreign Affairs, loA, Institute of Architecture - University of Applied Arts Vienna and orthner orthner & associates.

4. December 2019
Build & Brand Green with EDGE @ Atlantic Towers

Accras leadership trom the property sector at "Build and Brand Green with EDGE." Developers, banks, architects and the government came together to share their commitments to EDGE.

14. December 2019
Book Launch and Panel Discussion, 3.30 pm @ Nubuke Foundation

issuu link

East Legon Past Forward is a project
investigating the spatial, socio-cultural,
and migratory characteristics of
Abotsiman, one of the few remaining grown
neighbourhoods of East Legon, Accra, and
the implications of urban transformation on
it. East Legon Past Forward is a joint project
between [applied] Foreign Affairs, Institute
of Architecture, University of Applied Arts
Vienna and Orthner Orthner & Associates.

23. November 2019
Opening New Nubuke Foundation, Accra

The new Art Space for Nubuke Foundation finally completed! Architects Baerbel Mueller & Juergen Strohmayer in collaboration with OOA.

November 2019
Maiden Knauf Build It Competition

News link

KNAUF Ghana was organizing the first of its kind competition in Ghana. OOA's  Akosua Obeng was the Head Judge. The students were judged on criteria including economy of design, functionality, ventilation, internal design, timing and construction.

October 2019
Climate Chance Africa Summit, Accra

Global Alliance for Buildings and Construction

Topic of the summit, held at the International Conference Center in Accra was "The case for sustainable buildings in Africa, for effective climate actions in cities". Akos Obeng was one of the speakers and was talking about "Local Solutions for an Innovative African Architecture"

October 2019
The Super Morning Show with Daniel Dadzie
Joy 99.7 FM


Akosua Obeng and the Winners of the Edge Competition at Joy FM

October 2019
City Construction and Properties Award 2019 


Legon City Lofts won the award for best residential townhouse development at the "City Construction and Property Awards". A big thanks to the whole team!

October 2019
City Construction and Properties Magazine 2019 Edition

Full Interview

Exclusive interview with Rosemary Orthner.

October 2019
World Architecture Day @ Legon City Lofts


The GIA World Architecture day event held at the Legon City Lofts in Accra on Monday 07.10.19. A truly inspiring event graced by the presence of the Minister for Works and Housing, Fellows, Council, and over 200 members of the GIA and other allied professional as well as architecture enthusiasts.

October 2019
World Architecture Day @ Legon City Lofts

Rosemary Orthner was speaking at the World Architecture Day event about her own Legon City Loft project.

October 2019
 EU Climate Diplomacy Week Ghana 2019
"Roundtable discussion with Rosemary Orthner"

The EU Green Week in Accra ended with a round table discussion at Alliance Francaise in Accra.

September 2019
AM Business on Joy News TV


Akos Obeng was interviewed about Resource Efficient Buildings at our Legon City Lofts for a new series about green buildings on Joy TV

September 2019
EU Climate Diplomacy Week Ghana 2019 "Regreening the City"

Students from Kaneshie Kingsway Cluster of Schools have participated in a workshop promoted by Orthner and Orthner Associates, dedicated to “designing for the future”. After leaving the OOA workstation, we hope to have given the children a basic understanding of green buildings and green building materials with a focus on bamboo. The exercise with bamboo straws is to expose them to alternative materials and help think differently about the use to space space and their environment.
They have designed greener buildings for a brighter future! 

September 2019
Joy Prime TV Show

Akosua Obeng was on Joy Prime news talking about affordable housing in Ghana and why a real affordable house should be build with local, sustainable materials.

September 2019
Executive Breakfast Show 
on Class 91.3fm


Akosua Obeng was invited in todays breakfast show on Class91.3fm to talk on what makes a building "green"

August 2019
IFC EDGE Student Competition 

Finally the winners of the EDGE Architecture Students Competition, organized by orthner orthner & associates in collaboration with IFC EDGE were announced.

July 2019

OOA in collaboration with EDGE launched the IFC EDGE Student Competition

The overall objective of the EDGE Student Competition is to demonstrate how buildings can
be more profitable while easing their impact on the environment.

June 2019

Edge Certificate for the World Bank / IFC Building

Our World Bank / IFC building in Accra got the Edge Certificate for its outstanding green building measures.

June 2019

2nd Ghana Green Building Summit 2019

Akosua Obeng, Partner at OOA was in the panel at the Ghana Green Building Summit. The Summit, which was held on June 13, 2019 at the Kempinski Hotel, Gold Coast City gathered 155 stakeholders to discuss challenges and opportunities within the green building space.

June 2019

Future of Building 2019 | Congress

60 nations and over 650 participants explored the future of building at the "Future of Building 2019 | Congress" in Vienna in June. Ghana was represented by Rosemary Orthner, who led a delegation of 9 Ghanaian architects to the event. In the African Panel, Rosemary explained the challenges of the Ghanaian market and the importance of sustainable architecture for the responsible development of our future in Ghana. The congress was accompanied by workshops and excursions to the full satisfaction of all participants.

April 2019
ASAG Design Talk at KNUST

Rosemary and Martin were invited to talk at the first ASAG Design Talk at KNUST Architectural Department in Kumasi.

Other Speakers were Ibrahim Mahama, Stephen Morgan and George Buma.

Nov. 2018

GRA IT Training Institute

OOA & GOPA Infra won the tender to design and construct a new building for the Ghana Revenue Authority to accommodate the Learning and Development department to improve IT and software skills for the entire staff of the institute.


16. Oct. 2018

Honorary Consulate of Austria in Ghana

Now it is official!
Rosemary Orthner is the new Honorary Consul of Austria in Ghana.
Since October 16, 2018 the consulate has reopened in the office of OOA in East Legon!
She is assisted by her husband, Martin Orthner as Vice Consul!

 1. Oct. 2018


World Architecture Day

Akosua Obeng from OOA was invited to speak about OOA's architecture and sustainable building solutions in tropical climates at the World Architecture Day event at the British Councils in Accra! @ Accra, Ghana

29 Sept. 2018

Workshop Presentation

After 12 days of intense research and production, it was a pleasure - and challenge - to share our work in progress with the Abotsiman community, East Legon, Accra, 

 24. Sept. 2018

 Saint Gobain Multi Comfort Day

Panel discussion at the British Council with Akosua Obeng with a specific focus on thermal, visual, acoustic and indoor air comfort.




 "URBAN RESEARCH LAB: East Legon Past Forward"



We are looking for students of architecture and related disciplines who are interested in participating in an urban research lab in East Legon in September.


The research lab is organized by the University of Applied Arts Vienna and OOA



May 2018: 
 "Lagos Architect's Forum 2018"



Rosemary Orthner is speaking at

"Lagos 9.0- An Architectural Regeneration: he Lagos Response"


March 2018: 
Mallam Atta Clinic - Maternity Unit



OOA & the Rotary Club of Accra Ridge 

"We were moved by a strong feeling that our market women are not celebrated enough and we wanted to  contribute our skills towards giving them something special. They deserve it for helping to feed us all."


27 Feb 2018: 
The Executive Lounge on JoyNews

Skyline of Accra -The way forward

Joyfm  invited Akosua Obeng to contribute her thoughts on how architecture can be used as branding tool and add value to cities



Top 5 African architects and designers you need to know



OOA's Akosua Obeng the only female Architect in the list of the top 5 African Architects representing Ghana!




Jan 2018: JOY 99.7 FM 
The Super Morning Show



Akos Obeng: Panel discussion on the topic "Steps to consider before moving from rental to owning your own house"



Nov 2017: OOA certifies as an international EDGE Leader


"We are proud to be the first ever Ghanaian architectural firm to partner with Edge and we look forward to green building practices becoming the norm rather than the exception."

Mayor Adjei Sowah & Rosemary Orthner


Oct 2017: New Missionary Training Centre in Accra officially opened


 “The architecture, the landscaping, the organization — everything is done orderly. And once you walk in, you know that you  walked into a very disciplined and spiritually filled place that will guide you throughout your tour,” 
Adjei Sowah, the Mayor of Accra.




FOLIO Modern | African | Critical
June 2017 
Published:                  Pata 4 two

‘Functional’, ‘buildable’ and ‘economical’ seem to be the primary concerns of both clients and architects in Ghana today. The criteria permeate across all areas and levels 

of society and are drilled into Ghanaian architectural students, resulting  in professionals who are good technically, but often lacking creativity. Although such considerations are not necessarily negative in themselves, over the past thirty years, the emphasis on cost and functionality over any other consideration has contributed greatly to the proliferation of the ubiquitous concrete jungles, seen everywhere in Ghanaian
Sustainability, creativity and imagination have fallen by the wayside, and although clearly thriving in other industries and disciplines, architecture seems to have lost sight of any other goal.But Ghana is changing. On July 1, 2011, the country 

officially moved from low-income status  (as classified by the World Bank) to lower-middle income status. With a young and growing middle class demanding excellence and taking greater pride in all things African, the potential client base for good architecture and design is also changing. Informed by a local, global and pan-African ‘Renaissance’ trend, popularized on the cover of Time Magazine as ‘Africa Rising’, they have taken matters into their own hands. Wearing Afrocentric fashion, listening to Afro-pop and hip-life music, eating at African restaurants, it is only logical that they are beginning to demand an architecture that speaks to them in an authentic ‘voice’, placing their aspirations, identities and tastes at the centre, rather than the margins...


CNN Inside Africa 
February 2016 
          The rising star in the world of architecture


Viasat 1
16. Oct 2016 
                             Change Managers - Women to Watch

Published: "Dream Houses" Austrian Broadcasting Company Series
Completed 2006, Sulzriegel, Austria
Sustainable Design


Design Bubble Magazine 01
Nov 2016 
Published:              Tropical Curtains - House W

African Design Magazine
Oct 2016 
 Living the Brand - The Oracle Office

Industry Business Africa 
September 2016 
Architects with focus on a greener Ghana

Construction Review Magazine 
August 2015 
Published:       New Home for the World Bank in Ghana

Archi Afrika Magazine 
May 2015 
Published:              Legon City Lofts

Construction Review Magazine
May 2015
Published:              OOA Striving for Excellence 

Feature Interview

DIGEST of South African Architecture Vol 18
Completed 2013, Accra, Ghana
Associate: CO-ARC INTERNATIONAL, Johannesburg, ARUP


Aussenwirtschaft Austria
Sub Sahara News 2016

Phaidon Atlas of Contemporary World Architecture
Published: Akosombo Retreat
Completed 2008, Akosombo, Ghana

Design Architect: Lesley Lokko

Phaidon Atlas of Contemporary World Architecture
Completed 2013, Accra, Ghana
Associate: CO-ARC INTERNATIONAL, Johannesburg, ARUP

APSAIDAL Architecture. Interior Design . in Africa

May 2017 
Published:          Legon City Lofts 
                            Oracle Office Ghana
               Missionary Training Centre in Accra


1st Prize Winner
Competition 2012, Accra, Ghana
Size: 30000 m2
Name of Client: Ghana Institute of Architects & Vanguard Insurance

Prize Winner
Competition 2011, Location Saltpond, Ghana
Size: 2500 m2
Name of Client: 
African Institute for Mathematical Sciences, Cofinanced by Google