Authored by Nesara B S, Chairman, Concorde
For years, sustainability in real estate has often been discussed in terms of features such as solar panels, energy-efficient equipment, rainwater harvesting systems or green certifications. While all these factors are important, the larger question should be whether we are thinking about sustainability early enough, and deeply enough? It is high time we moved sustainability from the end of the design process to the beginning of it. A building cannot become truly sustainable simply by adding green features to a conventional design. By then, many of the most important decisions may already have been made. The challenge before the real estate industry is no longer limited to constructing more homes and workplaces. It is about considering how these developments will perform under increasing pressure on water, energy, infrastructure and the environment. That is where the conversation around sustainability must increasingly intersect with climate resilience. While the two are related, they are not the same. The future lies in bringing these two ideas together.
From conserving water to designing a circular water ecosystem
For a city such as Bengaluru, water resilience is becoming one of the defining issues of urban development. The challenge is not simply about how much water a development can save. It is also about how intelligently water can move through the entire ecosystem. Rainwater harvesting, groundwater recharge, sewage treatment and treated-water reuse should not be viewed as separate sustainability interventions. They are parts of a larger cycle. The next evolution in water management must be to move from the linear model of source, consume and discharge to a circular model of capture, use, treat, reuse and replenish. The important shift is in mindset. Water should not be treated merely as a utility supplied to a building. It is a resource that needs to be actively managed throughout its journey.
Passive design: the efficiency we often overlook
There is a growing reliance on technology to make buildings smarter and more efficient. Yet, before asking what technology can do for a building, we should ask what the building can do for itself. Modern development does not need to replicate the past practices of heat reduction, natural ventilation etc, but it can certainly relearn an important principle from it: climate should influence architecture. Technology should be an enabler, not a substitute for climate-responsive design. A highly automated building that consumes unnecessary resources is still not as intelligent as a building designed to need fewer resources in the first place. Smart energy systems, water meters, automation and performance monitoring can help optimise consumption and provide valuable insights into how a development operates.
Green spaces are not decoration
Another important shift is required in the way we think about landscaping. Green spaces are often seen as an amenity or an aesthetic enhancement. But in a rapidly urbanising city, they can perform a far more important role. Landscapes can improve microclimates, support biodiversity and assist groundwater recharge. Open spaces can also become areas that help communities better respond to intense rainfall and heat. This means the question should not simply be how much greenery a development has, but what that greenery does. Does it reduce heat? Does it support local biodiversity? Does it absorb rainwater? Does it create more comfortable outdoor environments? Is the choice of planting suitable for local conditions and responsible water use? When viewed this way, landscaping becomes environmental infrastructure.
The same principle applies to waste management and mobility. Waste segregation, organic waste processing and responsible disposal should be designed as part of the community ecosystem rather than left entirely to downstream operations. Similarly, as electric mobility expands, EV-ready infrastructure must be considered during planning. Retrofitting infrastructure after occupancy is often more complex and expensive than anticipating future needs at the design stage.
The real measure of sustainability is time
Perhaps the most important question we need to ask about a sustainable building is not how it performs on the day it is completed, but how it will perform decades later. A development may meet every benchmark at launch, but what happens when occupancy increases, technologies evolve and climatic conditions change? Can its systems adapt? Can its infrastructure be upgraded? Will its water and energy strategies remain effective? Can the community continue to operate efficiently without excessive intervention? This is why lifecycle performance must become a more meaningful measure of sustainability. Decisions made at the planning stage can influence resource consumption and quality of life for generations. Sustainability, therefore, must be understood as an ongoing commitment to performance, adaptability and responsible operation and not as an add on.
From green buildings to sustainable communities
Sustainability is most meaningful when it is integrated into the larger idea of responsible development and long-term value creation. The focus should be on incorporating sustainable thinking into planning, design, technology and community infrastructure rather than treating it as a standalone initiative. The ultimate objective should be to create communities where architecture, water, energy, landscape, biodiversity, waste and mobility work as interconnected systems. This approach also makes sustainability more relevant to the people who live in these spaces. Better natural light, improved ventilation, thermal comfort, greenery and efficiently managed resources directly influence everyday quality of life. Sustainability, in that sense, is not only about protecting the environment; it is also about creating better places to live. The fundamental question that developers should ask should be whether the developments actively contribute to healthier, more resilient and more liveable cities? That may well be the next frontier of responsible real estate. The future will not be defined by how many buildings we can call green. It will be defined by how intelligently we can create communities that are prepared for an uncertain climate, use natural resources responsibly and continue to deliver value over time. The most important sustainable feature of the future, therefore, may not be a feature at all. It may simply be the ability to think differently, well before the first foundation is laid.
Disclaimer: Views expressed are personal and do not reflect the official position or policy of RealtynInfra. Reproducing this content without permission is prohibited.
