Project

A Light Addition

- St. Kilda East, Australia

A thoughtful renovation in St. Kilda East, Victoria, elevates living spaces while preserving existing structures, integrating light and air seamlessly.

A single-storey house with a tiled roof and a modern addition on top, featuring large windows. The front yard has a white fence and greenery.

A single-storey house with a tiled roof and a modern addition on top, featuring large windows. The front yard has a white fence and greenery.

Story

A Light Addition

A thoughtful renovation elevating living spaces with light and air In St. Kilda East, Victoria, Office MI—JI has transformed a single-storey house by adding a new level that harmonizes with the existing structure. This renovation introduces two bedrooms, a bathroom, and a garden, all elevated above the original dwelling. The design responds to the client's desire for space, light, and air, ensuring that the new addition enhances rather than obstructs views across the neighborhood. The project is centered around a multi-faceted highlight window, allowing natural light to permeate the new spaces. The central staircase, crafted from materials echoing the original house, serves as the spine of the home, connecting the new and existing levels. U-channel glazing and strategically placed casement windows optimize sunlight and privacy, creating a sense of openness within the compact site. Sustainability and cost-effectiveness are at the core of this project. The use of recyclable materials like mini-orb, bendi-ply, and wood wool ensures longevity and environmental responsibility. The existing steel structure, installed during a previous renovation, supports the new level with minimal intervention, requiring only a single column at ground level.

Design Highlights

Elevated addition with two bedrooms, a bathroom, and a garden Multi-faceted highlight window for enhanced natural light Central staircase integrating original house materials U-channel glazing for sunlight and privacy Recyclable materials for sustainability

Key Facts

Key Aspect Details
Location St. Kilda East, Victoria, Australia
Architect Office MI—JI
Year of Completion 2024
Contractor BASE Constructs
Landscape Architect JALA Studio

Technical summary

Updated 3/8/2026

Finishes

  • exterior cladding: Low-cost and often recyclable cladding materials such as mini-orb, construction bendi-ply, and wood wool.
  • interior finishes: Light wood paneling and frosted glass panels.

Materials

  • metal — Facade cladding and structural elements.
  • glass — Windows and translucent panels.
  • wood — Interior finishes and furniture.

Construction / Systems

  • structural system: Utilizes existing steel structure with minimal intervention, supported by a single column.

Products

  • contractor — BASE Constructs (Construction and renovation execution.)
  • landscape architect — JALA Landscape (Landscape design and implementation.)

Palette / Lighting

  • Colors: light wood, white, metallic
  • Lighting: Natural light emphasized through skylights and large windows.

Images

A single-storey house with a tiled roof and a modern addition on top, featuring large windows. The front yard has a white fence and greenery.
Single-story house with red-tiled roof and modern addition on top, featuring translucent panels.
Modern two-story house with metal cladding and a dark wooden fence, surrounded by trees.
Exterior view of a modern two-story house with translucent upper level and garden on the lower roof.
Modern house with metal cladding and large windows, surrounded by trees.
Modern two-story building with metal facade and translucent upper section.
Two-story building with metal facade, large windows, and rooftop garden.
Modern architectural addition with highlight window and corrugated cladding, elevated with roof garden, wooden fence and vegetation in foreground.
Modern building extension with perforated metal facade and translucent upper section, featuring greenery on the roof.
Modern interior with staircase, textured wall, wooden door, and brick fireplace.
Interior space with a red column, frosted glass, wooden cabinet, chair, and brick fireplace.
Close-up of a window with frosted glass panels and wooden framing.
Close-up of a staircase featuring a wooden handrail and metal net railing.
Interior space with wooden cabinet, shelf, glass door, and frosted glass panels.
Interior view of a modern staircase with wooden elements and a curved archway.
Interior space with a built-in wooden desk, shelves, chair, wardrobe, and a window.
Interior view through a window with wooden frame, featuring layered glass and corrugated paneling.
Interior corner with a highlight window featuring translucent panels and wooden trim.
Interior hallway with a circular skylight, wooden flooring, and a staircase with a metal railing.
Interior room with a wooden window frame, light wood paneling, and a stair handrail, overlooking trees and rooftops.
Small bathroom with round wall, vertical mirror, white sink, wall-mounted faucet, wood paneling, and frosted window.
Minimalist bathroom with wooden panels, frosted window, and small sink.
Minimalist room with metal cabinet, wall lamp, and high window.
Minimalist interior room with wooden cabinets and high windows.
Interior of a room with a large window and light wood paneling, overlooking trees.
Minimalist bedroom with white bed linens, wooden cabinetry, and a window showing greenery.
Minimalist bedroom with white bedding, wall-mounted lamp, built-in bookshelf, and metallic wardrobe, lit by a high window.
Minimalist bedroom with bed, wall-mounted lamp, open shelving, and wardrobe with ironing board.
Minimalist bathroom with wall-mounted sink, large mirror, and rain shower head, enclosed by light wood sliding doors.
Modern bathroom with a freestanding bathtub, wall-mounted faucet, and showerhead, illuminated by a high window.
Floor plan of a building's ground level labeled 'Ground Level - Demolition' with rooms such as bed, living, kitchen, bath, WC, laundry, sitting room, and roof garden.
Floor plan of a proposed ground level layout with labeled areas including bedroom, living room, kitchen, bathroom, WC, laundry, sitting room, and roof garden.
Floor plan of Level 01 for a proposed architectural addition, featuring labeled rooms including Bed, WC, Bath, and Roof Garden.
Section drawing of a proposed building addition with two levels and structural details.

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