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Attiva Residential Building

Attiva Residential Building

Cumbayá, Quito, Ecuador

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Other Projects by NAJAS ARQUITECTOS

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Attiva Residential Building

Cumbayá, Quito, Ecuador

Firm

NAJAS ARQUITECTOS

Type

Residential › Apartment

STATUS

Built

YEAR

2023

SIZE

100,000 sqft - 300,000 sqft

EDGE ADVANCED CERTIFIED

Attiva Building aims to address multiple functional, construction, and environmental needs through strategies that challenge the traditional archetype of apartment towers in the San Juan neighborhood of Cumbayá.

The first decision was to position the building in a conical shape on a rectangular and deep lot. This allowed the northern side to be freed up diagonally and fragmented into five vertical volumes, each with six floors. This design allows most of the apartments to have a “multiple-front façade” character, enhancing privacy between each unit, optimizing sunlight exposure, and framing the landscapes of Tumbaco and Puembo independently. Consequently, each balcony offers a unique view without visual or physical overlap with neighboring apartments.

This approach also involved breaking certain structural paradigms from the basement levels through diagonal shear walls, which, in line with the upper floors, frame each apartment. The central circulation spine is interrupted by five internal garden pauses that, through vertical light wells, connect the interior with Quito’s light and sky.

These five skylights, covered in glass and open at the terrace level, provide natural ventilation and lighting for the private service spaces on each floor, in addition to allowing cross-ventilation for adequate thermal control.

A key design principle was to recover as much of the green footprint as possible from the area occupied by the building.
To achieve this, the public plaza at street level integrates with the sidewalk and roadway slopes, featuring green spaces, bicycle parking, and public furniture that promote a high quality of life.

Its horizontal gardens on the ground floor and multiple vertical gardens contribute to an approximately 600m² green roof area. This has allowed for the recovery of 75% of the original land area with permeable green surfaces.

The environmental spirit of Attiva is reflected in three areas of eco-efficient development:

1. 24% water consumption efficiency and rainwater recovery for irrigation.
2. 45% energy consumption optimization.
3. Environmental, landscaping, and technological contributions that have achieved significant savings in resources and emissions:

Energy savings: 336.71 MWh/year
Water savings: 4712.07 m³/year
CO2 emissions reduction: 91.96 tons/year

Product Spec Sheet

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Team

Esteban Najas

Director

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Attiva Residential Building

Cumbayá, Quito, Ecuador

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Attiva Residential Building

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Product Spec Sheet

Collaborating Firms

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Attiva Residential Building

Cumbayá, Quito, Ecuador

Other Projects by NAJAS ARQUITECTOS

Firmamento House

Serena House

Axis House

Arbolada House

Prisma House

Quinta Alegría

Airos Building

Casa Horizonte

Casa Golf

San Jose Plaza

Atrio House

Briggs Infinity

Portal Moaré

American School of Quito

Umbral House

Split House

Calma House

House ME

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Vertigo House

Attiva Residential Building

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Product Spec Sheet

Collaborating Firms

Team