Listen to the Light: A Narrow Four-Storey House That Uses Daylight to Hold a Family of Six Together

Most narrow city houses fail in the same way: they stack rooms like boxes on a shelf, and each floor goes quiet behind the one above it. Listen to the Light refuses that logic. Its core move is subtractive. Light wells punch down through the full height of the building, and once those voids are in place, every other decision follows. Stairs become open, floors become porous, and a family of six can see, hear and sense one another across four levels.

The project is the work of Aurora Chi, published on uni.xyz as a study in sustainable residential design for dense urban sites. Aurora frames the brief around a simple hierarchy: after shelter and utilities, what defines a home is communication and openness. The tight footprint is treated as the generator of the design rather than its limit, and daylight is handled less as illumination than as a building material with its own structure, atmosphere and narrative.

An Exploded Stack Organised Around Its Voids

The exploded axonometric is the clearest statement of intent in the set. Pulled apart floor by floor, the house reads as a sequence of plates threaded by the same vertical openings, with colour coding separating light wells, bedrooms, bathrooms and stairs. What stands out is how much of the plan is given to emptiness. On a lot this narrow, surrendering floor area to voids is a real cost, and Aurora pays it deliberately: the light wells are what let daylight reach deep into each level instead of dying a few metres in from the façade.

The diagram also shows the stacked bedrooms and the service elements held tight so the open spaces can stay open. This is the kind of drawing that proves a concept works in plan, not just in a render, and it makes the house's layered organisation legible at a glance.

Sections That Read the Lot as a Vertical Problem

The drawing sheet pairs an axonometric site plan of the narrow lot with four cross sections and two longitudinal sections, and together they explain how the house earns its sense of space. The sections track light wells, bridges and service cores through the height of the building, showing where floors step back to let a void pass and where a bridge crosses one to keep circulation continuous. The subtly angled roof plane appears here doing practical work, tilting to guide sunlight down into the interior while giving the house a distinct profile within its block.

Reading the sections in sequence, you understand that the floors are never fully sealed from one another. Layered platforms and open stairs keep sightlines running vertically, so the building behaves less like four apartments stacked on top of each other and more like a single tall room divided by degrees.

The Open Stair as Social Spine

The interior renders shift the argument from diagram to daily life. In the dining area, a wooden open-tread stair rises directly beside the kitchen, a child climbing while an adult stands nearby. The stair is not tucked into a shaft; it sits in the middle of family activity, and its open treads let light and conversation pass straight through. In a house for six, that visibility becomes a kind of social infrastructure, with movement between floors happening in full view of the shared rooms.

The double-height room pushes the idea further. A lattice skylight drops daylight onto a timber stair and a wall covered in flowers, the most vivid expression of the project's vertical planters. Aurora positions these planted surfaces as working elements, softening acoustics, improving air quality and keeping residents in contact with living material. Here they also register time: as the sun moves, shadows of the lattice and foliage drift across the room, which is exactly what the project's title promises.

A Slatted Roof Terrace and a House That Glows

At the top of the house, the upper terrace trades enclosure for filtering. A slatted timber roof and wooden balustrade frame a figure sitting against a glowing white wall, and the slats echo the vertical wooden louvers Aurora uses on the façade for passive shading and privacy. The language is consistent from street to roof: timber breaks direct sun into stripes, translucent surfaces diffuse it, and the result is a light that feels soft rather than exposed.

That same logic explains the house's night character. With translucent glazing on the second-floor living space and louvers screening the front, the building reverses its relationship to light after dark, glowing outward like a lantern set into the urban block. It is a modest civic gesture for a private home, and a pleasant one.

Glass Floors That Let Light Fall Through the Plan

The final render may be the most telling. A student sits directly on a lattice glass floor, a flowered wall rising beside the stair. Here the light wells stop being holes and become walkable surfaces, so the house recovers usable area without blocking the daylight below. It is a smart negotiation between the competing demands of a narrow plan: space to live in and openness to see through.

The image also captures the project's attitude toward flexibility. Alongside retractable beds and tables that let rooms change with the day, the glass floor turns a circulation zone into a place to sit, read or talk. Spaces in this house are rarely single-purpose, which is how a compact envelope manages to feel generous.

Why This Project Matters

Narrow urban housing is usually designed defensively, maximising floor area and minimising exposure. Listen to the Light argues for the opposite trade: give up some area, gain light, air and connection. By building the plan around vertical voids, open stairs, bridges and glass floors, Aurora Chi shows how a tight footprint can support a large household without fragmenting it into isolated floors. The planted walls and timber louvers add a sustainability layer that is felt in daily experience rather than stated as a checklist.

The project is strongest where drawing and render confirm each other: the exploded axonometric and sections prove the voids are structural to the scheme, and the interiors show what those voids feel like to live with. The rigour of those drawings is what earns the poetry of its title. For anyone designing on infill lots in crowded cities, it is a clear reminder that the most valuable thing a small house can offer is not more rooms but more ways to see and hear the people in them.

View the Full Project

About the Designers

Designer: Aurora Chi

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Project credits: Listen to the Light by Aurora Chi.