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Audumbara: An Eco-Friendly Earth Home

byTropic ResponsesProjects across Bengaluru; Office in ArekereStarts from₹450 ₹ / sq. ft. of built-up areaView full gallery

Discover how we built Audumbara using soil from the site itself. This Bangalore residence shows how vernacular techniques, like Compressed Stabilised Earth Blocks (CSEB) and jack-arch roofs, can create a cool, comfortable home without relying on heavy concrete.

The Audumbara residence, seen from the street. The design features deep, shaded balconies, Mangalore tile roofing, and solar panels, all working together to create a climate-responsive home.

The semi-open family lounge is one of my favorite spaces in the house. The vaulted brick ceiling, patterned floor, and large circular pivot window create a perfect spot for relaxation, filled with light and air.

The double-height living area uses a combination of Jaisalmer yellow and grey Kota stone for the flooring. Large arched windows and exposed earth block walls bring in ample daylight and a sense of warmth.

The dining area sits under a jack-arch roof, a traditional technique that adds character and volume. The space opens to a sit-out, blurring the line between inside and outside.

A bedroom in Audumbara, featuring exposed CSEB walls and a filler slab ceiling with clay tiles. A cozy bay window seat provides a perfect reading nook, lit by natural light.

The study room is designed for focus and comfort, with ample daylight from windows and glass block skylights. The walls are left unplastered, showcasing the natural texture of the earth blocks.

Detail of the staircase handrail, crafted from polished wood. The walls along the staircase are made of exposed earth blocks, and a circular window brings in light, highlighting the natural material palette.

The kitchen combines functionality with natural aesthetics. Olive green laminate cabinets are set against exposed brick walls and a black granite countertop, showing how modern needs can be met within a sustainable framework.

A walkthrough of the Audumbara home's living and dining spaces. You can see how the arches create a natural flow and how the double-height volume enhances the sense of space and light.

A glimpse into the serene bedrooms of Audumbara. Notice the calm atmosphere created by the earthy materials, natural light, and thoughtful design details.

About Audumbara: An Award-Winning Earth Home

Many people think earth homes mean rustic living, but look at the finish here. We use compressed soil blocks made right on the site, which means no transport pollution and no fire-cured bricks. The walls are left exposed without plaster or paint, reducing cement use significantly compared to a standard RCC build. It stays naturally cooler in our Bangalore heat, and the maintenance is simple because there is no paint to peel or plaster to crack.

Built using local soil and vernacular methods — Approved by the tribe
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Tropic Responses

Projects across Bengaluru; Office in ArekereStarts from ₹450 ₹ / sq. ft. of built-up area

I am Sanjay Jain, and I run Tropic Responses. We build homes that fit the tropical climate, using whatever the land gives us. I do not believe in standard designs. I prefer creating spaces where the walls, the roof, and the floor work together to keep you cool and comfortable, naturally.

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The residence at dusk, where the design's engagement with the landscape is clearly visible. The minimal hard lines and thriving softscape demonstrate my principle of letting nature lead.
The perforated Jaali wall acts as a living, breathing skin for the house. These perforations allow light and air to filter through while also providing nesting spaces for local birds, directly contributing to the site's biodiversity.
The inner courtyard, enclosed by ferrocement fins, creates a dynamic play of shadow and light throughout the day. This feature, along with the use of handmade Athangudi tiles, provides thermal comfort and connects the home to traditional craft.

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The Eesha residence is set amidst farms, designed to blend with its natural surroundings. The entire structure is built with exposed CSEB, creating an earthy, serene home that carries the essence of its rural setting.
A closer view of the Eesha residence facade, highlighting the patterned brick jali screen. This feature provides ventilation and creates beautiful light play while adding a decorative element to the earth-block construction.
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The full facade of the Basavanagudi residence, showcasing a dynamic interplay of materials, from the arched brick entrance to the intricate bay windows and shaded balconies.42
The open-plan living area combines warm yellow oxide flooring with exposed earth block walls and a striking jack arch ceiling, creating a space that is both expansive and inviting.
A view from the top of the winding staircase reveals the home's vertical connectivity and the beautiful curvature of its design, drawing the eye downwards through multiple levels.
The central courtyard, a core feature of the home, housing a traditional Tulasi Katte against a backdrop of exposed brick, connecting the home to both nature and spirituality.

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We used sunlight as a design tool. Light filtering through the tiled roof creates a warm, ever-changing canvas of light and shadow on the earthy walls and Athangudi tile floor.
The bedroom is a serene space with exposed earth walls and a large doorway that opens to the outdoors, blurring the boundary between inside and out.

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This angle highlights the home's unique curved wall and the intricate brick jaali work on the upper level, which provides ventilation while adding a distinct design element. We ensure every part of the structure is both functional and beautiful.
Here you can see the interplay of different materials, from the exposed brick and stone pillars to the sloped roofing. This view shows the home during the final stages of construction, surrounded by the natural landscape.
This perspective shows the main house along with the covered carport, demonstrating how we integrate practical structures into the overall design. The consistency in roofing and materials creates a cohesive property.

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