Kaiserstrasse Oinarrizko Funtzioa: Bizitegi Eraikina by Nicholas Alencar

Kaiserstrasse Oinarrizko Funtzioa: Bizitegi Eraikina by Nicholas Alencar is a highly esteemed winner of the very prestigious 2026 Brontzezko Saria A' Design Award in Arkitektura, Eraikin eta Egitura Diseinua Competition Category.

BrontzeArkitektura· 2026

Kaiserstrasse Oinarrizko Funtzioa: Bizitegi Eraikina

by Nicholas Alencar

Client: Alencar

Brontzezko Saria A' Design Award Winner in Arkitektura Category

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The Design

About Kaiserstrasse Oinarrizko Funtzioa: Bizitegi Eraikina

Kaiserstrasse Blumenauko (Brasil) zazpi etxebizitzako bizitegi-eraikin bat da, hiri-bizitza birdefinitzen duena etxe baten pribatutasuna etxebizitza bertikalaren abantailekin batuz. Solairu osoko etxebizitza bakoitza terraza zabaletara, igerileku pribatuetara eta landare-ontzi integratuetara irekitzen da, fatxada baratze bertikal bihurtuz. Beheko solairu irekiak hiriarekin elkarreragitera gonbidatzen du, teilatu komunitarioak aisialdi partekatua eta ikuspegi panoramikoak eskaintzen dituen bitartean, pribatutasuna, komunitatea eta jasangarritasuna orekatuz.

The Recognition

About the Brontzezko Saria A' Design Award

Kaiserstrasse Oinarrizko Funtzioa: Bizitegi Eraikina Brontzezko Saria A' Design Award irabazlea da, sormenak, asmamenak eta zorroztasunak bereizten dituzten diseinu bikainei ematen zaien aitorpen oso prestijiotsua. Brontze-mailako irabazleak trebetasunez beteriko eta nabarmenki sortzaileak diren artefaktuak dira, beren diseinatzaileen esperientzia zabala, irudimena eta ekimena egiaztatzen dutenak. Kaiserstrasse Oinarrizko Funtzioa: Bizitegi Eraikina oso estimatua, miretsia eta maitea den objektua izatea espero da, nabarmenki profesionala eta berritzailea dena. Brontzezko Saria A' Design Award irabazi duen diseinu honek artearen, zientziaren, diseinuaren eta teknologiaren praktika onenak biltzen ditu eta xehetasunei ematen dien arretagatik bikaina da. Kaiserstrasse Oinarrizko Funtzioa: Bizitegi Eraikina beharrak bikain asetzen dituen, desirak ukitzen dituen, sentimenduak xarmatzen dituen eta jakin-mina erakartzen duen lana da.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: Kaiserstrasse is a seven-unit residential building that redefines urban housing by blending the privacy and richness of a house - verandas, courtyards, vegetation - with the advantages of vertical living. Each unit occupies a full floor, with private outdoor spaces and mature trees growing from the slabs. Located on a historic avenue once lined with villas, the building uses parametric design to create stepped, dynamic forms that maximize natural light and airflows.
Dimensions & Packaging: Total built area: 4,973 square meters. The building rises with a stepped form, housing seven full-floor apartments with terraces, private pools, and integrated vegetation. Structure: cast-in-place reinforced concrete. Façade: floor-to-ceiling glazing with brise-soleils. Features include natural cross ventilation, smart irrigation, and communal rooftop amenities.
Tags: Residential, Building, Architecture, Brazil, Residential Building, Residential Architecture, Vertical Garden, Parametric Design, Adaptive Layout, Private Pools
Production Technology: The project was realized through cast-in-place reinforced concrete combined with integrated planters in the slabs. Parametric design tools guided solar and ventilation studies, ensuring environmental performance. Structural cores and minimized internal load-bearing walls enabled open, adaptable layouts. Local, durable materials with low embodied carbon were prioritized.
Design Challenge: The greatest challenge was reconciling strict setback regulations with the desire for generous terraces and openness. Instead of limiting the design, the rules shaped its sculpted form. Additional challenges included integrating mature trees into structural slabs, balancing privacy with community, and ensuring sustainability with local construction techniques.
Research: Applied architectural research focused on integrating house-like qualities into high-density housing. Objectives included maximizing light, ventilation, and biodiversity. Methods: solar studies, parametric modeling, and structural experimentation. Data came from environmental simulations and code interpretation. Results: adaptable layouts, reduced energy demand, and a façade as a living vertical garden. Insights highlight sustainable, community-oriented urban housing.
Inspiration: The project was inspired by the historic avenue once lined with villas, where gardens and verandas defined daily life. The motive was to reinterpret these qualities—privacy, openness, vegetation—within a vertical structure, blending the comfort of a private house with the convenience of urban apartment living. Strict setback regulations also shaped the building’s sculpted, stepped form.
Project Duration: The project started in 2020 in Blumenau, Santa Catarina, Brazil, and was completed in March 2025. Located on Alameda Rio Branco, one of the city’s most historic avenues, the building embodies a contemporary reinterpretation of the street’s traditional villas while proposing a new vision for urban living.
Operation Flow: Each resident experiences the privacy of a house with the benefits of collective living. Apartments flow seamlessly from interior to large terraces and pools, creating indoor-outdoor living. The open ground floor reconnects the building with the city, while the shared rooftop offers leisure and gathering space, encouraging community interaction.
Image Credits: Image #1: Leonardo Finotti, Kaiserstraße, 2025
Image #2: Leonardo Finotti, Kaiserstraße, 2025
Image #3: Leonardo Finotti, Kaiserstraße, 2025
Image #4: Leonardo Finotti, Kaiserstraße, 2025
Image #5: Leonardo Finotti, Kaiserstraße, 2025