WHYY architects

Sepa House | Permata Buana, Jakarta

Designed on an 8 × 18 meter urban plot along Pulau Sepa Street, Sepa House explores a composed approach to modern residential living within a compact site. The project translates spatial efficiency into a calm, well structured private home through vertical organization and precise architectural detailing.

Home to a single mother and her two adult daughters, the program required generous spatial capacity without compromising comfort or clarity. The solution was a three storey configuration, clearly separating service, communal, and private zones while maintaining seamless daily circulation.

The ground floor accommodates a carport for two cars, a private garage, service areas, storage, kitchen, and an additional bedroom planned for long term accessibility. The main living spaces are elevated to the second floor accessed directly from the carport stair where the living room connects fluidly with the dining and pantry areas.

Voids and pocket gardens are intentionally placed along both sides of the dining and pantry, allowing natural light, cross ventilation, and visual openness to pe*****te all floors from ground to the uppermost level. The third floor houses the master bedroom with an ensuite bathroom, along with two additional bedrooms sharing a common bath.

Architecturally, Sepa House adopts a clean and restrained modern language, enriched by layered materials and refined detailing. Vertical screens articulate the facade while filtering heat and glare, creating rhythmic shadow patterns that evolve throughout the day.

Sepa House reflects our belief that a well designed home is not defined by scale, but by intention crafted to support everyday life today, and to adapt gracefully over time.

If you are planning a private residence with clarity, character, and long term comfort, we would be honored to design it with you.

Vivacia House | BSD, Tangerang (2023)

The interior is organized around an open plan ground floor, where the living, dining, and pantry areas merge into a single continuous space. This arrangement supports daily family life while maintaining a clear spatial hierarchy and visual openness.

A concealed guest bathroom, hidden behind mirrored panels, preserves the purity of the open plan while subtly enhancing the perception of space. Service areas, storage, and staff quarters are carefully positioned to remain functional yet discreet.

The upper floor accommodates the family’s private realm. The master bedroom opens directly onto a generous front balcony overlooking the corner garden below, while two children’s bedrooms, a shared bathroom, and a family area complete the level.

Warm materials, soft lighting, and restrained detailing define the interior atmosphere creating spaces that feel calm, intentional, and deeply personal. Vivacia House is not designed to impress at first glance, but to reveal its quality through everyday living.

Amandaya Canggu | Bali (2021)

Set on a 17.5 × 23 m plot, the exterior is conceived as a calm, modern Balinese presence within Canggu’s lively rhythm. Clean lines, warm materials, and subtle tropical details create a facade that feels both welcoming and grounded.

The building’s massing frames the inner courtyard, allowing the golden hour light to reveal its layered textures and the softness of its form. Even from the outside, the architecture hints at a quieter world within one shaped by light, air, and the gentle character of Bali.

A project shaped through patience and precision.
If you’re envisioning a home or hospitality project with clarity, identity, and warmth, we’d be honored to design it with you.

First look, Residential project at BSD.
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