DDOffice by DDconcept: A Vertical Green Workspace in Ho Chi Minh City

Located in the dense urban fabric of District 7 in Ho Chi Minh City, Vietnam, DDOffice is a compact yet innovative architectural project designed by DDconcept. Completed in 2016, the office occupies a modest 38-square-meter footprint, demonstrating how thoughtful architectural strategies can transform limited urban land into a functional and inspiring workplace.

Designed under the leadership of architect To Anh Dung, the project responds directly to the challenges of Vietnam’s rapidly growing metropolis: high construction density, environmental pollution, and the scarcity of urban greenery. Instead of accepting these constraints, the architects reimagined the workspace as a vertical green sanctuary that integrates nature, light, and collaborative working environments.

The design concept treats the office as more than just a workplace. Since employees spend a large portion of their day in the office, DDconcept envisioned the building as a second home, where architecture encourages comfort, interaction, and connection with nature.

Urban Context and Design Challenges

District 7 is one of the fastest-growing urban districts in Ho Chi Minh City. With dense residential blocks and limited open spaces, buildings in this area often struggle with poor ventilation, minimal daylight, and limited greenery.

For the architects, the challenge was to create an open, healthy, and collaborative workspace within a narrow urban plot measuring only 38 square meters. Traditional office layouts that spread horizontally across a large floor plate were impossible due to the limited land area.

To address this constraint, the design strategy shifted toward vertical development, stacking multiple levels while maintaining openness and visual connectivity between them. This vertical arrangement not only maximizes usable space but also creates opportunities for dynamic interactions among employees working on different floors.

Vertical Workspace Concept

The architectural concept of DDOffice centers on a vertically connected workspace where employees can remain visually and spatially connected across levels.

Open spaces are inserted at regular intervals throughout the building’s structure, allowing views and circulation to flow between floors. Rather than isolating workers within separate rooms or levels, the building creates a sense of collective workspace.

Even though employees may be working on different floors, the openness ensures they share the same atmosphere, visual connections, and environmental qualities. This design fosters collaboration, communication, and team engagement, which are essential elements in creative design studios.

The vertical layout also improves airflow and daylight penetration throughout the building, creating a more comfortable interior environment.

Innovative Hanging Structure Design

One of the most distinctive features of the project is its “hanging structure” system. Instead of relying on conventional columns that interrupt interior space, the architects suspended floor panels from the roof structure.

By placing the underfloors strategically and hanging them from the upper deck, the office achieves large unobstructed working areas. This approach eliminates the need for numerous structural columns, allowing for flexible and open interior layouts.

The floor panels, constructed from lightweight steel, create the visual impression that the floors are floating within the space. This structural strategy enhances the sense of openness while maintaining the structural integrity of the building.

The result is a light, airy interior where movement and visibility between levels remain uninterrupted.

Integration of Nature and Green Architecture

A defining feature of DDOffice is its strong emphasis on biophilic design and urban greenery. In a city where green spaces are limited, the architects incorporated vegetation throughout the building to create a healthier and more pleasant work environment.

From the second to the fourth floor, the façade features large glass window walls integrated with plants. These plants serve multiple functions. They act as natural filters that soften the harsh urban environment while also creating a visual connection to nature for those inside the office.

Trees and vegetation positioned in front of the building function as a natural partition, subtly blurring the boundary between interior and exterior spaces. This natural layer provides privacy while still allowing natural light and ventilation to penetrate the workspace.

The result is a workplace where employees feel surrounded by greenery even while working in the heart of a dense city.

Vertical Garden and Environmental Strategy

At the rear of the building, the architects introduced a vertical hanging garden that extends from the upper levels down to the ground floor. This green wall acts as a natural ventilation and environmental system, functioning as the building’s “lungs.”

The vertical garden improves air quality and helps regulate internal temperatures, creating a more comfortable indoor climate. It also enhances the visual experience of the office, offering natural textures and colors that contrast with the surrounding urban structures.

This integration of vegetation demonstrates how sustainable architectural design can be incorporated even within extremely compact urban projects.

Rooftop Garden and Urban Escape

At the top of the building, the architects created a rooftop garden that provides a peaceful retreat from the busy city environment below.

The rooftop space includes local trees and a small fish pond, forming a miniature ecosystem that adds biodiversity to the building. This outdoor space allows employees and visitors to relax, socialize, or simply enjoy a moment of quiet away from the noise and pollution of the city.

The rooftop garden reinforces the idea that architecture should support well-being and environmental connection, even in highly urbanized environments.

Interior Spatial Experience

Inside DDOffice, the combination of open layouts, hanging floors, and abundant greenery creates a unique spatial experience. Natural light flows through the glass façade and open sections, illuminating the interior throughout the day.

Employees working in the office benefit from constant visual connections to plants, sky views, and other team members across floors. This openness enhances creativity and productivity while reducing the sense of confinement often associated with small office spaces.

Despite its compact footprint, the office feels spacious due to the strategic use of vertical volume and transparency.

Conclusion: Compact Yet Innovative Urban Office

DDOffice by DDconcept is a compelling example of small-scale urban architecture that maximizes spatial efficiency while prioritizing human experience and environmental quality.

Through vertical design strategies, suspended floor structures, and the integration of greenery, the project transforms a narrow urban site into a vibrant workplace that encourages collaboration and connection with nature.

The building demonstrates how innovative design can overcome spatial limitations and environmental challenges, creating a modern office environment that supports productivity, well-being, and sustainability in one of Vietnam’s most dynamic cities.

All photographs are works of  Hiroyuki Oki