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Elevated Micro-Units Utilizing Recycled Steel and Sustainable Materials for Urban Living

Authors:
You Bin Seo, Jaehun Woo
Elevated Micro-Units Utilizing Recycled Steel and Sustainable Materials for Urban Living

Project in-detail

Elevated above existing structures, the micro-units constructed from recycled steel and sustainable materials create an efficient urban living solution that prioritizes community interaction and environmental sensitivity.
5 key facts about this project
01
Elevated units positioned 13.5 meters above existing structures to maximize light and views.
02
Utilizes recycled steel extensively to reduce environmental impact.
03
Incorporates solar panels for energy self-sufficiency on each micro-unit.
04
Features communal kitchens and lounges to enhance social interaction among residents.
05
Employs advanced greywater recycling systems to promote resource conservation.

## Project Overview
**Project Title:** Life, Nested
**Location:** San Francisco, California, USA
**Year:** 2024
**Architects:** Lab Group

The Life, Nested project addresses the pressing housing crisis for low-income individuals in San Francisco by proposing an innovative urban housing solution. This initiative focuses on employing micro housing techniques to optimize limited urban spaces, specifically utilizing air rights above existing buildings. By reimagining density and affordability, the design aims to provide a viable alternative to traditional living arrangements while fostering community engagement.

### Spatial Configuration
The project features a layout that promotes efficient use of space through a linear progression along a central corridor. Each individual unit is designed to include essential amenities such as a kitchenette, bathroom, and workspace while maximizing comfort and functionality. Shared communal areas, including lounge spaces and kitchens, are integrated to enhance social interaction among residents, fostering a sense of community that is crucial for urban living.

### Material and Sustainability Initiatives
The architectural design emphasizes the use of durable and sustainable materials. The framing structure consists of steel, which is selected for its longevity and low maintenance requirements. Glass facades enhance natural light, connecting inhabitants visually to the surrounding landscape while supporting passive solar heating. The project further commits to sustainability through the use of eco-friendly materials, including recycled steel and low-VOC finishes, alongside features like solar panels and water harvesting systems that ensure self-sufficiency and reduce reliance on municipal resources.

The foundation employs pointed construction methods that distribute weight effectively while minimizing impact on existing structures, allowing for future urban development. Integrating smart mechanical systems, including energy-efficient HVAC solutions and waste management features such as greywater recycling and composting toilets, enhances the environmental performance of the project in line with contemporary sustainability goals.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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