MUFFINTOSAY.COM - Every rainy season, the map of flood-prone areas in major cities barely changes. New housing developments keep appearing, yet the list of neighborhoods vulnerable to flooding only grows longer. Ironically, many of these areas are marketed as “modern,” “strategically located,” and—most often—“flood-free.”
As an architecture graduate and someone who spent years covering the property sector, I often find myself wondering: where did we go wrong? Is nature becoming increasingly hostile, or have our building practices drifted too far from environmental logic?
The answer, perhaps, lies in both. But one thing is certain: we too often assume we are smarter than nature, and too rarely do we learn from knowledge that has been proven over hundreds of years—such as traditional architecture.
Traditional Houses Were Never Built Casually
Traditional architecture in the Indonesian archipelago was never born out of aesthetic display or fleeting trends. It emerged from the need to survive. Heavy rainfall, overflowing rivers, swampy land, and tidal waters were daily realities. From these conditions came stilt houses, steep and high roofs, large openings, and structures flexible enough to adapt to environmental change.
Stilt houses found across Sumatra, Kalimantan, Sulawesi, and Papua are not merely regional identities. They are intelligent responses to water. Floors were raised instead of forcing the ground to be filled in. Water was allowed to flow beneath the building, rather than being blocked by rigid walls. As an architect, I see this as an honest design solution—not fighting nature, but negotiating with it.
Compare this with many modern housing developments today. Wetlands are filled, rivers are narrowed, drainage channels are reduced in size, and then we act surprised when water finds its own way—into
people’s homes.
In South Kalimantan, Banjar houses are built with careful consideration of river tides. The height of the space beneath the house is no coincidence; it is the result of long observation of water patterns. This underfloor space is not a dead zone either. It can be used to store boats and work tools, or even serve as an additional activity area.
The same applies to Bugis houses in South Sulawesi. Their stilted structures are tall, sturdy, and adaptive. The house is not only divided horizontally, but also vertically, following a philosophy that is both symbolic and functional. When water levels rise, life does not come to a complete standstill.
The key lesson here is not that we must copy traditional house forms exactly, but that we should adopt their way of thinking. Buildings should adapt to the landscape, not force the landscape to submit to buildings.
Urban Housing and the Illusion of “Flood-Free”
As a former property journalist, I am very familiar with housing marketing narratives. Brochures always show lush greenery, blue skies, and perfectly dry streets. The phrases “good drainage” and “flood-free” almost always appear—even for areas that are clearly located on low-lying land or near rivers.
The problem is that in practice, many housing projects—especially lower-middle-class developments and subsidized housing—are built with excessive compromises. Land plots are squeezed, elevation is kept minimal, green open space is barely adequate, and drainage systems often work only on paper.
Subsidized housing offers the clearest example. With prices pushed down to remain affordable, environmental planning quality is often the first casualty. As a result, after just a few hours of heavy rain, water begins to pool. Residents then realize that a cheap house sometimes comes with other “costs” that must be paid for years—repairs, losses, and constant anxiety.
In urban areas, flooding is even more complex. It is not just about rainfall, but about city planning. Concrete-covered surfaces, the lack of infiltration areas, and massive land-use conversion leave water with nowhere to go.
Unfortunately, house design is often separated from city design. Developers feel it is sufficient to build internal drainage systems without truly integrating them into the surrounding environmental network. Traditional architecture, on the other hand, has always viewed buildings as part of a larger ecosystem.
At this point, traditional architecture seems to laugh at us from afar. With simple technology and local materials, those houses are often better prepared to deal with water than many modern homes.
A Contemporary Version of Stilt Houses—Why Not?
is a common assumption that the stilt-house concept is no longer relevant for cities. The reasons are familiar: it is considered expensive, inefficient in terms of land use, or simply “not modern.” Yet if reinterpreted through a contemporary approach, this concept actually makes a lot of sense—especially for flood-prone areas.
Imagine subsidized housing with the main floor raised one to one-and-a-half meters above ground level. The space underneath could function as an infiltration area, a service zone, or a multipurpose space that can be flooded without damaging the main structure.
The materials do not have to be expensive timber. Precast concrete and lightweight steel could work just as well. In terms of cost, this might require a slightly higher initial investment, but it would be far more economical than repeated renovations, damaged furniture, and the psychological stress caused by annual flooding.
As an architect, I see this not as a step backward, but as an evolution—combining old wisdom with new technology.
There is one important value in traditional architecture that is rarely discussed: humility. Traditional buildings never claim to defeat nature. They simply try to live in harmony with it. In today’s context of climate change—extreme rainfall, unpredictable weather, and increasingly frequent floods—this attitude feels more relevant than ever.
Perhaps it is time for the architecture and property industries to stop selling the illusion of total control and start offering adaptive designs. Not houses that are “immune to floods,” but houses that are ready when floods come.
Exploring traditional architecture as a solution for flood-resilient buildings does not mean rejecting progress. On the contrary, it is an effort to broaden our way of thinking, which has long been too narrow and technocratic.
As an architect and former property journalist, I believe that future housing solutions—including subsidized housing—must be more honest about natural conditions. Not all land should be treated the same. Not every house needs to sit directly on the ground.
If our ancestors were able to build houses that lasted for hundreds of years without electric pumps or reinforced concrete, it seems excessive for us to claim that we are incapable of designing smarter homes today. Perhaps the answer is not complex new technology, but the courage to admit that we once learned—and can learn again—from the past.
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