Tropical Modernism

Tropical modernism is modern architecture adapted to hot, humid climates: buildings that keep the modern movement's frames, open plans and plain surfaces but shape them around shade, breeze and heavy rain. Deep overhangs, sun screens, cross ventilation, raised floors, verandas and gardens do the work that air conditioning does elsewhere.

What is tropical modernism?

Tropical modernism names both a historical movement and a continuing design approach. Historically, it describes the architecture that British, Indian, West African, Sri Lankan, Brazilian and Southeast Asian architects developed between the 1940s and the 1970s for schools, universities, government buildings and houses in the tropics. As a design approach, it describes any modern building whose form is driven first by climate: where the roof is a parasol, the wall is a screen and the plan is arranged to catch the wind.

It is close to, but not the same as, three neighbouring fields. Vernacular architecture grows from local builders and materials over centuries; tropical modernism borrows its lessons but uses reinforced concrete, standardised frames and an architect's drawing set. Passive architecture is the broader science of heating and cooling without machines in any climate; tropical modernism is one regional, stylistic answer to it. And mid-century modernism in temperate countries shares its period and its love of glass, but a glass box in Colombo or Lagos would overheat by mid-morning, so tropical modernists traded glazing for shade.

The result is recognisable: long, thin blocks oriented to the breeze, roofs that float above the walls, perforated brick or concrete screens, open corridors used as verandas, and courtyards planted with trees. Inside, rooms are often only one room deep so that air can pass straight through.

A short history of tropical modernism

The term is most closely tied to the work of Maxwell Fry and Jane Drew. They designed schools and universities in West Africa, and in 1956 they published Tropical Architecture in the Humid Zone, followed by Tropical Architecture in the Dry and Humid Zones in 1964, as the biography of Jane Drew lists. Teaching followed practice: in 1953 Otto Königsberger moved to London to head the Department of Development and Tropical Studies at the Architectural Association, and his Manual of tropical housing and building became a standard course text, according to the entry on Otto Königsberger.

"Tropical Modernism was an architectural style developed in the hot, humid conditions of West Africa in the 1940s. After independence, India and Ghana adopted the style as a symbol of modernity and progressiveness, distinct from colonial culture."

Victoria and Albert Museum, Tropical Modernism: Architecture and Independence (2024)

India is the second great chapter. From 1951 Fry and Drew worked with Le Corbusier and Pierre Jeanneret on Chandigarh, the new capital of Punjab, where they acted as senior architects on much of the housing and worked with a team of Indian architects that included B. V. Doshi. At the Capitol Complex, Le Corbusier cast the Secretariat, the Palace of Assembly and the High Court in rough concrete with deep brise-soleil, and the ensemble is now part of a UNESCO World Heritage listing, as the article on the Chandigarh Capitol Complex notes.

Brazil had arrived at similar answers a decade earlier. The Ministry of Education and Health building in Rio de Janeiro, designed in 1935 and 1936 by a team led by Lúcio Costa with Affonso Eduardo Reidy, Carlos Leão, Jorge Machado Moreira, Ernani Vasconcellos and Roberto Burle Marx, with Oscar Niemeyer as an intern in Costa's office and Le Corbusier invited to oversee the project, raised its block on pilotis and covered its glass facade with adjustable brise-soleil, according to the history of the Gustavo Capanema Palace. More on that strand is in Brazilian architecture.

In Sri Lanka the movement found its most personal voice. Minnette de Silva, the first Asian woman elected an associate of RIBA, in 1948, developed what she called Modern Regionalist Architecture. Geoffrey Bawa (1919 to 2003) studied at the Architectural Association between 1954 and 1957, according to the Geoffrey Bawa Trust, and produced some 200 original designs. As the entry on Geoffrey Bawa notes, he is often referred to as the leader of the Tropical Modernist movement; his buildings include the Sri Lankan Parliament and the University of Ruhuna, and he received the Aga Khan Chairman's Award in 2001. In India, Charles Correa pursued the same climate logic in housing such as the Tube House in Ahmedabad (1961 to 1962). Indian strands are gathered under Indian architecture.

Key principles of tropical modernism

The principles below are less a style guide than a sequence of decisions about sun, air and water. Each is illustrated by member work that uses it.

Shade before glass

In the tropics the sun is high and strong, so the first move is a roof or screen that keeps it off the wall. Deep overhangs, projecting floor slabs and brise-soleil turn the facade into a zone of shadow rather than a thin membrane.

Screens that breathe

Perforated walls of brick, concrete block or timber filter light, give privacy and let air through. In South Asia the brick jaali is the classic device, and students still use it as a climate layer rather than an ornament.

Cross ventilation and stack effect

Rooms one bay deep, openings on opposite walls and high outlets for warm air keep a building comfortable without fans. Towers, light wells and ventilated roofs extend the idea vertically, pulling hot air up and out.

Raised floors and rain

Lifting a building on columns or a plinth lets air pass beneath, keeps floors dry in the monsoon and protects against flooding. Pitched or folded roofs then shed the rain quickly to gutters and cisterns. Member Naja Spohner sums up the logic for a small house in Yangon.

"To provide a comfortable living space in spite of high temperatures, intense solar irradiation and occasional monsoon rain, the building operates as a shell."

Naja Spohner, project statement for chopstick home (Nano Nest 2020)

Verandas, courtyards and gardens

The veranda is a room without walls: shaded, ventilated and useful for most of the day. Courtyards bring light and planting into the centre of the plan, and gardens cool the air around the building. Bawa's Lunuganga, which the Geoffrey Bawa Trust describes as a former rubber and cinnamon plantation acquired in 1948, shows how far landscape can become part of the architecture.

Tropical modernism on uni.xyz

Most of the tropical modernist work on uni.xyz comes from the Reclaiming Modernity competition. One entry's boards describe the brief as a design challenge marking Geoffrey Bawa's centenary, and several schemes are sited in Colombo, so members had to answer a pointed question: how do you build in Bawa's city without copying him?

Wind Conduit by Sydney Lohkamp, Ananya Manian and Gabrielle Mauldin, a winning entry in the Reclaiming Modernity competition and the most liked project in this topic, organises the building as a multi-tiered base for flooding and circulation, a mat infill of programme modules and a roof of wind conduits. The base and conduits reach through the modules to cool them passively, while the modules form an adaptable structural framework.

TULA by Joseph Aerathu and Subhadeep Sarkar sets out to balance the tropical modernist and the contemporary, pairing tiled pitched roofs with brick jaali, slit windows and planted courtyards. Becoming Aligned With All by Hani Mansurnejad, Mandana Khalessi and yavar moshiri, shortlisted at Reclaiming Modernity, spells BAWA with its initials. The uni.xyz journal on the project frames the challenge every entrant faced.

"how do you honour Geoffrey Bawa's tropical modernism without photocopying it?"

UNI Editorial, journal on Becoming Aligned With All

Its answer is a single gesture: two white shells lift off a riverside site, become roofs and drop back to the ground, framing a pooled courtyard and rammed earth walls.

Reclaiming Modernity by Youssef Shabo, an Editor's Choice entry, proposes a school for the performing arts that keeps public space available at all costs. Its boards argue that Colombo must prepare for more flooding and that ground-level public forums are the first casualty, so the building's bowl acts as a dam that keeps safe spaces within and above.

A second Reclaiming Modernity entry, by Michael Azterbaum, Amaya C Dsouza and Nelly Garcia-Carrillo and also an Editor's Choice, proposes a vocational culinary and agricultural school in the Colombo district that becomes part of the public infrastructure; its boards describe four blocks raised on a plinth of water infrastructure that stores rain and flood water, under a roof that filters the sun, with walls and louvres that slide open so the school becomes a farmers' market and dining space at weekends. The Colombo Institute of Technology by James Hardt treats tropical modernism as building as machine in the age of climate change, with diagrams showing the block oriented to southwest winds, operable louvres and cooling through columns buried in the ground.

Journals add built work from across the tropics. JA House by STUDIOKAS in Indonesia shields its western facade with a steep roof and wide overhang and uses an existing tree to shade the entry terrace. Canto Verde House by Kiti Vieira Arquitetura in Paraty, Brazil, is raised from the ground and protected by large eaves suited to the humid climate.

Challenges and future directions

The first challenge is history. The tropical modernism of Fry and Drew was born inside the British Empire, and much of that early work was designed by European architects for colonial administrations. The V&A exhibition framed the story around independence, when India and Ghana adopted the style as their own, and the Bawa Trust notes that turning Lunuganga from a plantation into a garden replaced an extractive colonial land use. Designers today need to know whose knowledge they are borrowing, and to credit local builders and climates rather than a handful of famous names.

The second is air conditioning. Sealed, glazed towers have spread through tropical cities, and many older buildings in the style have had their screens blocked and windows closed. Reviving shade and cross ventilation means designing for comfort at higher indoor temperatures and for the noise, dust and security problems that open windows bring.

The third is climate change itself: heavier rain, flooding and hotter nights. Several member schemes, from Wind Conduit's flood base to Youssef Shabo's dam-like school, already treat water as a design driver, a direction explored further in flood-resilient architecture. Modest work such as the Hway Ka Loke classrooms, for a school serving Burmese migrants and refugees near Mae Sot, shows the principles at their most direct.

Tropical modernism for students and designers

Good thesis angles include a school or library that runs without air conditioning, a flood-ready civic building on stilts, a contemporary reading of a local screen or roof type, the retrofit of a modernist block whose screens have been sealed, or housing that uses verandas and courtyards at high density. Test every idea with a section: show where the sun falls at noon, where the breeze enters and leaves, and where the rain goes. Study the precedents named above, but sketch the vernacular buildings next door too. For open briefs, see the uni.xyz competitions page.

Frequently asked questions

Who started tropical modernism?

The movement is most closely tied to Maxwell Fry and Jane Drew, who worked in West Africa from the 1940s and published Tropical Architecture in the Humid Zone in 1956. Brazilian architects, Le Corbusier in Chandigarh, and Sri Lankan architects such as Minnette de Silva and Geoffrey Bawa shaped it in parallel.

What are the main features of tropical modernist buildings?

Deep roof overhangs, brise-soleil and perforated screens for shade, thin plans and opposite openings for cross ventilation, raised floors, verandas and open corridors, courtyards and gardens, and materials that cope with heat and rain.

Why is Geoffrey Bawa important to tropical modernism?

Bawa is often referred to as the leader of the Tropical Modernist movement. His buildings and gardens, including the Sri Lankan Parliament and Lunuganga, blend modern planning with landscape, courtyards and local craft, and they remain the main reference for architects in the region.

Is tropical modernism sustainable?

Its passive strategies reduce reliance on mechanical cooling, which is why designers revisit them today. Whether a given building performs well depends on its orientation, shading, ventilation and use, so each design still needs to be tested for its own climate.

References and further reading

• Tropical Modernism: Architecture and Independence, Victoria and Albert Museum
• Jane Drew, Wikipedia
• Otto Koenigsberger, Wikipedia
• Chandigarh Capitol Complex, Wikipedia
• Gustavo Capanema Palace, Wikipedia
• Geoffrey Bawa (1919 to 2003) and Lunuganga, Geoffrey Bawa Trust
• Geoffrey Bawa, Wikipedia
• Minnette de Silva, Wikipedia
• Charles Correa, Wikipedia